Common use of CATEGORIES FOR CONSIDERATION OF ENVIRONMENTAL ISSUES Clause in Contracts

CATEGORIES FOR CONSIDERATION OF ENVIRONMENTAL ISSUES. 2.1 When performing functions that fall under the following Environmental categories on BellSouth’s Premises, DSLi agrees to comply with the applicable sections of the current issue of BellSouth's Environmental and Safety Methods and Procedures (M&Ps), incorporated herein by this reference. DSLi further agrees to cooperate with BellSouth to ensure that DSLi's employees, agents, and/or subcontractors are knowledgeable of and satisfy those provisions of BellSouth’s Environmental M&Ps which apply to the specific Environmental function being performed by DSLi, its employees, agents and/or subcontractors. 2.2 The most current version of reference documentation must be requested from BellSouth. Version 2Q01: 09/19/01 Disposal of hazardous material or other regulated material (e.g., batteries, fluorescent tubes, solvents & cleaning materials) Compliance with all applicable local, state, & federal laws and regulations Pollution liability insurance EVET approval of contractor Std T&C 450 Fact Sheet Series 17000 Std T&C 660-3 Approved Environmental Vendor List (Contact E/S Management) Emergency response Hazmat/waste release/spill fire safety emergency Fact Sheet Series 1700 Building Emergency Operations Plan (EOP) (specific to and located on Premises) Contract labor/outsourcing for services with environmental implications to be performed on BellSouth Premises (e.g., disposition of hazardous material/waste; maintenance of storage tanks) Compliance with all applicable local, state, & federal laws and regulations Performance of services in accordance with BST’s environmental M&Ps Insurance Std T&C 450 Std T&C 450-B (Contact E/S for copy of appropriate E/S M&Ps.) Std T&C 660 Transportation of hazardous material Compliance with all applicable local, state, & federal laws and regulations Std T&C 450 Fact Sheet Series 17000 Pollution liability insurance Std T&C 660-3 EVET approval of contractor Approved Environmental Vendor List (Contact E/S Management) Maintenance/operations work which may produce a waste Compliance with all application local, state, & federal laws and regulations Std T&C 450 Other maintenance work Protection of BST employees and equipment 29CFR 1910.147 (OSHA Standard) 29CFR 1910 Subpart O (OSHA Standard) Version 2Q01: 09/19/01 Janitorial services All waste removal and disposal must conform to all applicable federal, state and local regulations All Hazardous Material and Waste Asbestos notification and protection of employees and equipment P&SM Manager - Procurement Fact Sheet Series 17000 GU-BTEN-001BT, Chapter 3 BSP 010-170-001BS (Hazcom) Manhole cleaning Compliance with all applicable local, state, & federal laws and regulations Std T&C 450 Fact Sheet 14050 BSP 620-145-011PR Issue A, August 1996 Pollution liability insurance Std T&C 660-3 EVET approval of contractor Approved Environmental Vendor List (Contact E/S Management) Removing or disturbing building materials that may contain asbestos Asbestos work practices GU-BTEN-001BT, Chapter 3

CATEGORIES FOR CONSIDERATION OF ENVIRONMENTAL ISSUES. 2.1 When performing functions that fall under the following Environmental categories on BellSouth’s Premises, DSLi TelCove agrees to comply with the applicable sections of the current issue of BellSouth's Environmental and Safety Methods and Procedures (M&Ps), incorporated herein by this reference. DSLi TelCove further agrees to cooperate with BellSouth to ensure that DSLiTelCove's employees, agents, and/or subcontractors suppliers are knowledgeable of and satisfy those provisions of BellSouth’s Environmental M&Ps which apply to the specific Environmental function being performed by DSLiTelCove, its employees, agents and/or subcontractorssuppliers. 2.2 The most current version of the reference documentation must be requested from BellSouthTelCove’s BellSouth Regional Contract Manager (RCM) (f/k/a Account Team Collocation Coordinator – ATCC). Version 2Q01: 09/19/01 Disposal of hazardous material or other regulated material (e.g., batteries, fluorescent tubes, solvents & cleaning materials) Compliance with all applicable local, state, & federal laws and regulations Pollution liability insurance EVET approval of contractor supplier Std T&C 450 Fact Sheet Series 17000 Std T&C 660-3 Approved Environmental Vendor List (Contact E/S ManagementRCM Representative) Emergency response Hazmat/waste release/spill fire safety emergency Fact Sheet Series 1700 17000 Building Emergency Operations Plan (EOP) (specific to and located on Premises) Contract labor/outsourcing for services with environmental implications to be performed on BellSouth Premises (e.g., disposition of hazardous material/waste; maintenance of storage tanks) Compliance with all applicable local, state, & federal laws and regulations Performance of services in accordance with BST’s environmental M&Ps Insurance Std T&C 450 Std T&C 450-B (Contact E/S RCM Representative for copy of appropriate E/S M&Ps.) Std T&C 660 Transportation of hazardous material Compliance with all applicable local, state, & federal laws and regulations Std T&C 450 Fact Sheet Series 17000 Pollution liability insurance Std T&C 660-3 EVET approval of contractor supplier Approved Environmental Vendor List (Contact E/S ManagementRCM Representative) Maintenance/operations work which may produce a waste Compliance with all application applicable local, state, & federal laws and regulations Std T&C 450 Other maintenance work Protection of BST employees and equipment 29CFR 1910.147 (OSHA Standard) 29CFR 1910 Subpart O (OSHA Standard) Version 2Q01: 09/19/01 Janitorial services All waste removal and disposal must conform to all applicable federal, state and local regulations All Hazardous Material and Waste Asbestos notification and protection of employees and equipment P&SM Procurement Manager - Procurement (CRES Related Matters)-BST Supply Chain Services Fact Sheet Series 17000 GU-BTEN-001BT, Chapter 3 BSP 010-170-001BS (Hazcom) Manhole cleaning Compliance with all applicable local, state, & federal laws and regulations Pollution liability insurance EVET approval of supplier Std T&C 450 Fact Sheet 14050 BSP 620-145-011PR Issue A, August 1996 Pollution liability insurance Std T&C 660-3 EVET approval of contractor Approved Environmental Vendor List (Contact E/S ManagementRCM Representative) Removing or disturbing building materials that may contain asbestos Asbestos work practices GU-BTEN-001BT, Chapter 33 For questions regarding removing or disturbing materials that contain asbestos, call the BellSouth Building Service Center: AL, MS, TN, KY & LA (local area code) 557-6194 FL, GA, NC & SC (local area code) 780-2740

CATEGORIES FOR CONSIDERATION OF ENVIRONMENTAL ISSUES. 2.1 When performing functions that fall under the following Environmental categories on BellSouth’s Premises, DSLi PTLLC agrees to comply with the applicable sections of the current issue of BellSouth's Environmental and Safety Methods and Procedures (M&Ps), incorporated herein by this reference. DSLi PTLLC further agrees to cooperate with BellSouth to ensure that DSLiPTLLC's employees, agents, and/or subcontractors suppliers are knowledgeable of and satisfy those provisions of BellSouth’s Environmental M&Ps which apply to the specific Environmental function being performed by DSLiPTLLC, its employees, agents and/or subcontractorssuppliers. 2.2 The most current version of the reference documentation must be requested from BellSouthPTLLC’s BellSouth Regional Contract Manager (RCM) (f/k/a Account Team Collocation Coordinator – ATCC). Version 2Q012Q04: 09/19/01 08/18/04 Disposal of hazardous material or other regulated material (e.g., batteries, fluorescent tubes, solvents & cleaning materials) Compliance with all applicable local, state, & federal laws and regulations Pollution liability insurance EVET approval of contractor supplier Std T&C 450 Fact Sheet Series 17000 Std T&C 660-3 Approved Environmental Vendor List (Contact E/S ManagementRCM Representative) Emergency response Hazmat/waste release/spill fire safety emergency Fact Sheet Series 1700 17000 Building Emergency Operations Plan (EOP) (specific to and located on BellSouth’s Premises) Contract labor/outsourcing for services with environmental implications to be performed on BellSouth Premises (e.g., disposition of hazardous material/waste; maintenance of storage tanks) Compliance with all applicable local, state, & federal laws and regulations Performance of services in accordance with BST’s environmental M&Ps Insurance Std T&C 450 Std T&C 450-B (Contact E/S RCM Representative for copy of appropriate E/S M&Ps.) Std T&C 660 Transportation of hazardous material Compliance with all applicable local, state, & federal laws and regulations Std T&C 450 Fact Sheet Series 17000 Pollution liability insurance Std T&C 660-3 EVET approval of contractor supplier Approved Environmental Vendor List (Contact E/S ManagementRCM Representative) Maintenance/operations work which may produce a waste Compliance with all application applicable local, state, & federal laws and regulations Std T&C 450 Other maintenance work Protection of BST employees and equipment 29CFR 1910.147 (OSHA Standard) Version 2Q04: 08/18/04 29CFR 1910 Subpart O (OSHA Standard) Version 2Q01: 09/19/01 Janitorial services All waste removal and disposal must conform to all applicable federal, state and local regulations All Hazardous Material and Waste Asbestos notification and protection of employees and equipment P&SM Procurement Manager - Procurement (CRES Related Matters)-BST Supply Chain Services Fact Sheet Series 17000 GU-BTEN-001BT, Chapter 3 BSP 010-170-001BS (Hazcom) Manhole cleaning Compliance with all applicable local, state, & federal laws and regulations Pollution liability insurance EVET approval of supplier Std T&C 450 Fact Sheet 14050 BSP 620-145-011PR Issue A, August 1996 Pollution liability insurance Std T&C 660-3 EVET approval of contractor Approved Environmental Vendor List (Contact E/S ManagementRCM Representative) Removing or disturbing building materials that may contain asbestos Asbestos work practices GU-BTEN-001BT, Chapter 33 For questions regarding removing or disturbing materials that contain asbestos, call the BellSouth Building Service Center: AL, MS, TN, KY & LA (local area code) 557-6194 FL, GA, NC & SC (local area code) 780-2740

CATEGORIES FOR CONSIDERATION OF ENVIRONMENTAL ISSUES. 2.1 When performing functions that fall under the following Environmental categories on BellSouth’s PremisesRemote Site Location, DSLi ACCESS Integrated agrees to comply with the applicable sections of the current issue of BellSouth's Environmental and Safety Methods and Procedures (M&Ps), incorporated herein by this reference. DSLi ACCESS Integrated further agrees to cooperate with BellSouth to ensure that DSLiACCESS Integrated's employees, agents, suppliers and/or subcontractors Guests are knowledgeable of and satisfy those provisions of BellSouth’s Environmental M&Ps which apply to the specific Environmental function being performed by DSLiACCESS Integrated, its employees, agents agents, suppliers and/or subcontractorsGuests. 2.2 2.1.1 The most current version of reference documentation must be requested from BellSouthACCESS Integrated's BellSouth Regional Contract Manager (RCM). Version 2Q01: 09/19/01 Disposal of hazardous material or other regulated material (e.g., batteries, fluorescent tubes, solvents & cleaning materials) Compliance with all applicable local, state, & federal laws and regulations Pollution liability insurance EVET approval of contractor supplier • Std T&C 450 • Fact Sheet Series 17000 • Std T&C 660-3 • Approved Environmental Vendor List (Contact E/S ManagementATCC Representative) Emergency response Hazmat/waste release/spill fire safety emergency • Fact Sheet Series 1700 • Building Emergency Operations Plan (EOP) (specific to and located on PremisesRemote Site Location) Contract labor/outsourcing for services with environmental implications to be performed on BellSouth Premises Remote Site Location (e.g., disposition of hazardous material/waste; maintenance of storage tanks) Compliance with all applicable local, state, & federal laws and regulations Performance of services in accordance with BST’s environmental M&Ps Insurance InsuranceACCESS Integrated • Std T&C 450 • Std T&C 450-B • (Contact E/S ATCC Representative for copy of appropriate E/S M&Ps.) • Std T&C 660 Transportation of hazardous material Compliance with all applicable local, state, & federal laws and regulations Pollution liability insurance EVET approval of supplier • Std T&C 450 • Fact Sheet Series 17000 Pollution liability insurance • Std T&C 660-3 EVET approval of contractor • Approved Environmental Vendor List (Contact E/S ManagementATCC Representative) Maintenance/operations work which may produce a waste Compliance with all application applicable local, state, & federal laws and regulations • Std T&C 450 Other maintenance work regulations Protection of BST employees and equipment 29CFR • 29 C.F.R. § 1910.147 (OSHA Standard) 29CFR • 29 C.F.R. § 1910 Subpart O (OSHA Standard) Version 2Q01: 09/19/01 Janitorial services All waste removal and disposal must conform to all applicable federal, state and local regulations All Hazardous Material and Waste Asbestos notification and protection of employees and equipment P&SM • –Procurement Manager - Procurement (CRES Related Matters)-BST Supply Chain Services • Fact Sheet Series 17000 • GU-BTEN-001BT, Chapter 3 • BSP 010-170-001BS (Hazcom) Manhole cleaning Compliance with all applicable local, state, & federal laws and regulations Pollution liability insurance EVET approval of supplier • Std T&C 450 • Fact Sheet 14050 14050• BSP 620-145-011PR Issue A, August 1996 Pollution liability insurance • Std T&C 660-3 EVET approval of contractor • Approved Environmental Vendor List (Contact E/S ManagementATCC Representative) Removing or disturbing building materials that may contain asbestos Asbestos work practices • GU-BTEN-001BT, Chapter 33 For questions regarding removing or disturbing materials that contain asbestos, call the BellSouth Building Service Center: AL, MS, TN, KY & LA (local area code) 557-6194 FL, GA, NC & SC (local area code) 780-2740

CATEGORIES FOR CONSIDERATION OF ENVIRONMENTAL ISSUES. 2.1 When performing functions that fall under the following Environmental categories on BellSouth’s Premises, DSLi COMPASS agrees to comply with the applicable sections of the current issue of BellSouth's Environmental and Safety Methods and Procedures (M&Ps), incorporated herein by this reference. DSLi COMPASS further agrees to cooperate with BellSouth to ensure that DSLiCOMPASS's employees, agents, and/or subcontractors are knowledgeable of and satisfy those provisions of BellSouth’s Environmental M&Ps which apply to the specific Environmental function being performed by DSLiCOMPASS, its employees, agents and/or subcontractors. 2.2 . The most current version of reference documentation must be requested from BellSouth. Version 2Q01: 09/19/01 Disposal of hazardous material or other regulated material (e.g., batteries, fluorescent tubes, solvents & cleaning materials) Compliance with all applicable local, state, & federal laws and regulations Pollution liability insurance EVET approval of contractor Std T&C 450 Fact Sheet Series 17000 GU-BTEN-001BT, Chapter 4 Std T&C 660-3 Approved Environmental Vendor List (Contact E/S Management) GU-BTEN-001BT, Chapter 10 Emergency response Hazmat/waste release/spill fire safety firesafety emergency Fact Sheet Series 1700 GU-BTEN-001BT, Chapter Building Emergency Operations Plan (EOP) (specific to and located on Premises) Contract labor/outsourcing for services with environmental implications to be performed on BellSouth Premises (e.g., disposition of hazardous material/waste; maintenance of storage tanks) Compliance with all applicable local, state, & federal laws and regulations Performance of services in accordance with BST’s environmental M&Ps Insurance Std T&C 450 Std T&C 450-B (Contact E/S or your DEC/LDEC for copy of appropriate E/S M&Ps.) Std T&C 660 Transportation of hazardous material Compliance with all applicable local, state, & federal laws and regulations Pollution liability insurance EVET approval of contractor Std T&C 450 Fact Sheet Series 17000 Pollution liability insurance GU-BTEN-001BT, Chapter 4 Std T&C 660-3 EVET approval of contractor Approved Environmental Vendor List (Contact E/S Management) GU-BTEN-001BT, Chapter 10 Maintenance/operations work which may produce a waste Compliance with all application local, state, & federal laws and regulations Std T&C 450 Other maintenance work Protection of BST employees and equipment Std T&C 450 GU-BTEN-001BT, Chapter 10 29CFR 1910.147 (OSHA Standard) 29CFR 1910 Subpart O (OSHA Standard) Version 2Q01: 09/19/01 Janitorial services All waste removal and P&SM Manager - disposal must conform to all applicable federal, state and local regulations All Hazardous Material and HazMat & Waste Asbestos notification and protection of BST employees and equipment P&SM Manager - Procurement Fact Sheet Series 17000 GU-BTEN-001BT, Chapter 4, GU-BTEN-001BT, Chapter 3 BSP 010-170-001BS (Hazcom) Manhole cleaning Compliance with all applicable local, state, & federal laws and regulations Pollution liability insurance Manhole entry requirements EVET approval of contractor Std T&C 450 Fact Sheet 14050 Std T&C 660-3 BSP 620-145-011PR Issue A, August 1996 Pollution liability insurance Std T&C 660GU-3 EVET approval of contractor Approved Environmental Vendor List (Contact E/S Management) BTEN-001BT, Chapter 10 RL9706008BT Removing or disturbing building materials that may contain asbestos Asbestos work practices GU-BTEN-001BT, Chapter 3

CATEGORIES FOR CONSIDERATION OF ENVIRONMENTAL ISSUES. 2.1 When performing functions that fall under the following Environmental categories on BellSouth’s Premises, DSLi Xxxxxxxx.xxx agrees to comply with the applicable sections of the current issue of BellSouth's Environmental and Safety Methods and Procedures (M&Ps), incorporated herein by this reference. DSLi Xxxxxxxx.xxx further agrees to cooperate with BellSouth to ensure that DSLiXxxxxxxx.xxx's employees, agents, and/or subcontractors are knowledgeable of and satisfy those provisions of BellSouth’s Environmental M&Ps which apply to the specific Environmental function being performed by DSLiXxxxxxxx.xxx, its employees, agents and/or subcontractors. 2.2 . The most current version of reference documentation must be requested from BellSouth. Version 2Q01: 09/19/01 Disposal of hazardous material or other regulated material (e.g., batteries, fluorescent tubes, solvents & cleaning materials) Compliance with all applicable local, state, & federal laws and regulations Pollution liability insurance EVET approval of contractor • Std T&C 450 • Fact Sheet Series 17000 • Std T&C 660-3 • Approved Environmental Vendor List (Contact E/S Management) Emergency response Hazmat/waste release/spill fire safety firesafety emergency • Fact Sheet Series 1700 • Building Emergency Operations Plan (EOP) (specific to and located on Premises) Contract labor/outsourcing for services with environmental implications to be performed on BellSouth Premises (e.g., disposition of hazardous material/waste; maintenance of storage tanks) Compliance with all applicable local, state, & federal laws and regulations Performance of services in accordance with BST’s environmental M&Ps Insurance • Std T&C 450 • Std T&C 450-B • (Contact E/S for copy of appropriate E/S M&Ps.) • Std T&C 660 Transportation of hazardous material Compliance with all applicable local, state, & federal laws and regulations Pollution liability insurance EVET approval of contractor • Std T&C 450 • Fact Sheet Series 17000 Pollution liability insurance • Std T&C 660-3 EVET approval of contractor • Approved Environmental Vendor List (Contact E/S Management) Maintenance/operations work which may produce a waste Other maintenance work Compliance with all application local, state, & federal laws and regulations Std T&C 450 Other maintenance work Protection of BST employees and equipment • Std T&C 450 • 29CFR 1910.147 (OSHA Standard) • 29CFR 1910 Subpart O (OSHA Standard) Version 2Q01: 09/19/01 Janitorial services All waste removal and disposal must conform to all applicable federal, state and local regulations All Hazardous Material and Waste Asbestos notification and protection of employees and equipment • P&SM Manager - Procurement • Fact Sheet Series 17000 • GU-BTEN-001BT, Chapter 3 • BSP 010-170-001BS (Hazcom) Manhole cleaning Compliance with all applicable local, state, & federal laws and regulations Pollution liability insurance EVET approval of contractor • Std T&C 450 • Fact Sheet 14050 14050• BSP 620-145-011PR Issue A, August 1996 Pollution liability insurance • Std T&C 660-3 EVET approval of contractor • Approved Environmental Vendor List (Contact E/S Management) Removing or disturbing building materials that may contain asbestos Asbestos work practices • GU-BTEN-001BT, Chapter 3

CATEGORIES FOR CONSIDERATION OF ENVIRONMENTAL ISSUES. 2.1 When performing functions that fall under the following Environmental categories on BellSouth’s PremisesRemote Site Location, DSLi Teleconex agrees to comply with the applicable sections of the current issue of BellSouth's Environmental and Safety Methods and Procedures (M&Ps), incorporated herein by this reference. DSLi Teleconex further agrees to cooperate with BellSouth to ensure that DSLiTeleconex's employees, agents, and/or subcontractors suppliers are knowledgeable of and satisfy those provisions of BellSouth’s Environmental M&Ps which apply to the specific Environmental function being performed by DSLiTeleconex, its employees, agents and/or subcontractorssuppliers. 2.2 2.1.1 The most current version of reference documentation must be requested from BellSouthTeleconex's BellSouth Account Team Collocation Coordinator (ATCC) Representative. Version 2Q01: 09/19/01 Disposal of hazardous material or other regulated material (e.g., batteries, fluorescent tubes, solvents & cleaning materials) Compliance with all applicable local, state, & federal laws and regulations Pollution liability insurance EVET approval of contractor • Std T&C 450 • Fact Sheet Series 17000 • Std T&C 660-3 • Approved Environmental Vendor List (Contact E/S ManagementATCC EVET approval of supplier Representative) Emergency response Hazmat/waste release/spill fire safety emergency • Fact Sheet Series 1700 • Building Emergency Operations Plan (EOP) (specific to and located on PremisesRemote Site Location) Contract labor/outsourcing for services with environmental implications to be performed on BellSouth Premises Remote Site Location (e.g., disposition of hazardous material/waste; maintenance of storage tanks) Compliance with all applicable local, state, & federal laws and regulations Performance of services in accordance with BST’s environmental M&Ps Insurance • Std T&C 450 • Std T&C 450-B • (Contact E/S ATCC Representative for copy of appropriate E/S M&Ps.) • Std T&C 660 Transportation of hazardous material Compliance with all applicable local, state, & federal laws and regulations Pollution liability insurance EVET approval of supplier • Std T&C 450 • Fact Sheet Series 17000 Pollution liability insurance • Std T&C 660-3 EVET approval of contractor • Approved Environmental Vendor List (Contact E/S ManagementATCC Representative) Maintenance/operations work which may produce a waste Other maintenance work Compliance with all application applicable local, state, & federal laws and regulations Std T&C 450 Other maintenance work Protection of BST employees and equipment • Std T&C 450 • 29CFR 1910.147 (OSHA Standard) • 29CFR 1910 Subpart O (OSHA Standard) Version 2Q01: 09/19/01 Janitorial services All waste removal and disposal must conform to all applicable federal, state and local regulations All Hazardous Material and Waste Asbestos notification and protection of employees and equipment P&SM • –Procurement Manager - Procurement (CRES Related Matters)-BST Supply Chain Services • Fact Sheet Series 17000 • GU-BTEN-001BT, Chapter 3 • BSP 010-170-001BS (Hazcom) Manhole cleaning Compliance with all applicable local, state, & federal laws and regulations Pollution liability insurance EVET approval of supplier • Std T&C 450 • Fact Sheet 14050 14050• BSP 620-145-011PR Issue A, August 1996 Pollution liability insurance • Std T&C 660-3 EVET approval of contractor • Approved Environmental Vendor List (Contact E/S ManagementATCC Representative) Removing or disturbing building materials that may contain asbestos Asbestos work practices • GU-BTEN-001BT, Chapter 33 For questions regarding removing or disturbing materials that contain asbestos, call the BellSouth Building Service Center: AL, MS, TN, KY & LA (local area code) 557-6194 FL, GA, NC & SC (local area code) 780-2740

CATEGORIES FOR CONSIDERATION OF ENVIRONMENTAL ISSUES. 2.1 When performing functions that fall under the following Environmental categories on BellSouthITC^DeltaCom’s Premises, DSLi BellSouth agrees to comply with the applicable sections of the current issue of BellSouthITC^DeltaCom 's Environmental and Safety Methods and Procedures (M&Ps), incorporated herein by this reference. DSLi BellSouth further agrees to cooperate with BellSouth ITC^DeltaCom to ensure that DSLiBellSouth's employees, agents, and/or subcontractors are knowledgeable of and satisfy those provisions of BellSouthITC^DeltaCom’s Environmental M&Ps which apply to the specific Environmental function being performed by DSLiBellSouth, its employees, agents and/or subcontractors. 2.2 The most current version of reference documentation must be requested from BellSouthITC^DeltaCom. Version 2Q01: 09/19/01 Disposal of hazardous material or other regulated material (e.g., batteries, fluorescent tubes, solvents & cleaning materials) Compliance with all applicable local, state, & federal laws and regulations Pollution liability insurance EVET approval of contractor Std T&C 450 Fact Sheet Series 17000 Std T&C 660-3 Approved Environmental Vendor List (Contact E/S ManagementATCC Representative) Emergency response Hazmat/waste release/spill fire safety emergency Fact Sheet Series 1700 17000 Building Emergency Operations Plan (EOP) (specific to and located on Premises) Contract labor/outsourcing for services with environmental implications to be performed on BellSouth Premises (e.g., disposition of hazardous material/waste; maintenance of storage tanks) Compliance with all applicable local, state, & federal laws and regulations Performance of services in accordance with BST’s environmental M&Ps Insurance Std T&C 450 Std T&C 450-B (Contact E/S ATCC Representative for copy of appropriate E/S M&Ps.) Std T&C 660 Transportation of hazardous material Compliance with all applicable local, state, & federal laws and regulations Pollution liability insurance EVET approval of contractor Std T&C 450 Fact Sheet Series 17000 Pollution liability insurance Std T&C 660-3 EVET approval of contractor Approved Environmental Vendor List (Contact E/S ManagementATCC Representative) Maintenance/operations work which may produce a waste Other maintenance work Compliance with all application local, state, & federal laws and regulations Std T&C 450 Other maintenance work Protection of BST employees and equipment Std T&C 450 29CFR 1910.147 (OSHA Standard) 29CFR 1910 Subpart O (OSHA Standard) Version 2Q01: 09/19/01 Janitorial services All waste removal and disposal must conform to all applicable federal, state and local regulations All Hazardous Material and Waste Asbestos notification and protection of employees and equipment P&SM Manager - Procurement Fact Sheet Series 17000 GU-BTEN-001BT, Chapter 3 BSP 010-170-001BS (Hazcom) Manhole cleaning Compliance with all applicable local, state, & federal laws and regulations Std T&C 450 Fact Sheet 14050 regulations Pollution liability insurance EVET approval of contractor BSP 620-145-011PR Issue A, August 1996 Pollution liability insurance Std T&C 660-3 EVET approval of contractor Approved Environmental Vendor List (Contact E/S ManagementATCC Representative) Removing or disturbing building materials that may contain asbestos Asbestos work practices GU-BTEN-001BT, Chapter 33 For questions regarding removing or disturbing materials that contain asbestos, call the BellSouth Building Service Center: AL, MS, TN, KY & LA (local area code) 557-6194 FL, GA, NC & SC (local area code) 780-2740

CATEGORIES FOR CONSIDERATION OF ENVIRONMENTAL ISSUES. 2.1 When performing functions that fall under the following Environmental categories on BellSouth’s Premises, DSLi WebShoppe agrees to comply with the applicable sections of the current issue of BellSouth's Environmental and Safety Methods and Procedures (M&Ps), incorporated herein by this reference. DSLi WebShoppe further agrees to cooperate with BellSouth to ensure that DSLiWebShoppe's employees, agents, and/or subcontractors are knowledgeable of and satisfy those provisions of BellSouth’s Environmental M&Ps which apply to the specific Environmental function being performed by DSLiWebShoppe, its employees, agents and/or subcontractors. 2.2 . The most current version of reference documentation must be requested from BellSouth. Version 2Q01: 09/19/01 Disposal of hazardous material or other regulated material (e.g., batteries, fluorescent tubes, solvents & cleaning materials) Compliance with all applicable local, state, & federal laws and regulations Pollution liability insurance EVET approval of contractor • Std T&C 450 • Fact Sheet Series 17000 • Std T&C 660-3 • Approved Environmental Vendor List (Contact E/S Management) Emergency response Hazmat/waste release/spill fire safety firesafety emergency • Fact Sheet Series 1700 • Building Emergency Operations Plan (EOP) (specific to and located on Premises) Contract labor/outsourcing for services with environmental implications to be performed on BellSouth Premises (e.g., disposition of hazardous material/waste; maintenance of storage tanks) Compliance with all applicable local, state, & federal laws and regulations Performance of services in accordance with BST’s environmental M&Ps Insurance • Std T&C 450 • Std T&C 450-B • (Contact E/S for copy of appropriate E/S M&Ps.) • Std T&C 660 Insurance Transportation of hazardous material Compliance with all applicable local, state, & federal laws and regulations Pollution liability insurance EVET approval of contractor • Std T&C 450 • Fact Sheet Series 17000 Pollution liability insurance • Std T&C 660-3 EVET approval of contractor • Approved Environmental Vendor List (Contact E/S Management) Maintenance/operations work which may produce a waste Compliance with all application local, state, & federal laws and regulations • Std T&C 450 Other maintenance work Protection of BST employees and equipment • 29CFR 1910.147 (OSHA Standard) • 29CFR 1910 Subpart O (OSHA Standard) Version 2Q01: 09/19/01 Janitorial services All waste removal and disposal must conform to all applicable federal, state and local regulations All Hazardous Material and Waste Asbestos notification and protection of employees and equipment • P&SM Manager - Procurement • Fact Sheet Series 17000 • GU-BTEN-001BT, Chapter 3 • BSP 010-170-001BS (Hazcom) Manhole cleaning Compliance with all applicable local, state, & federal laws and regulations • Std T&C 450 • Fact Sheet 14050 14050• BSP 620-145-011PR Issue A, August 1996 Pollution liability insurance • Std T&C 660-3 EVET approval of contractor • Approved Environmental Vendor List (Contact E/S Management) Removing or disturbing building materials that may contain asbestos Asbestos work practices • GU-BTEN-001BT, Chapter 3

CATEGORIES FOR CONSIDERATION OF ENVIRONMENTAL ISSUES. 2.1 When performing functions that fall under the following Environmental categories on BellSouth’s Premises, DSLi KMC Telecom agrees to comply with the applicable sections of the current issue of BellSouth's Environmental and Safety Methods and Procedures (M&Ps), incorporated herein by this reference. DSLi KMC Telecom further agrees to cooperate with BellSouth to ensure that DSLiKMC Telecom's employees, agents, and/or subcontractors are knowledgeable of and satisfy those provisions of BellSouth’s Environmental M&Ps which apply to the specific Environmental function being performed by DSLiKMC Telecom, its employees, agents and/or subcontractors. 2.2 . The most current version of reference documentation must be requested from BellSouth. Version 2Q01: 09/19/01 Disposal of hazardous material Compliance with all applicable • Std T&C 450 or other regulated material (e.g., batteries, fluorescent tubes, solvents & cleaning materials) Compliance with all applicable local, state, & federal laws and regulations Pollution liability insurance EVET approval of contractor Std T&C 450 • Fact Sheet Series 17000 • Std T&C 660-3 • Approved Environmental Vendor List (Contact E/S Management) Emergency response Hazmat/waste release/spill fire safety firesafety emergency • Fact Sheet Series 1700 • Building Emergency Operations Plan (EOP) (specific to and located on Premises) Contract labor/outsourcing for services with environmental implications to be performed on BellSouth Premises (e.g., disposition of hazardous material/waste; maintenance of storage tanks) Compliance with all applicable local, state, & federal laws and regulations Performance of services in accordance with BST’s environmental M&Ps Insurance • Std T&C 450 • Std T&C 450-B • (Contact E/S for copy of appropriate E/S M&Ps.) • Std T&C 660 Transportation of hazardous material Compliance with all applicable local, state, & federal laws and regulations Pollution liability insurance EVET approval of contractor • Std T&C 450 • Fact Sheet Series 17000 Pollution liability insurance • Std T&C 660-3 EVET approval of contractor • Approved Environmental Vendor List (Contact E/S Management) Maintenance/operations work which may produce a waste Other maintenance work Compliance with all application local, state, & federal laws and regulations Std T&C 450 Other maintenance work Protection of BST employees and equipment • Std T&C 450 • 29CFR 1910.147 (OSHA Standard) • 29CFR 1910 Subpart O (OSHA Standard) Version 2Q01: 09/19/01 Janitorial services All waste removal and disposal must conform to all applicable federal, state and local regulations All Hazardous Material and Waste Asbestos notification and protection of employees and equipment • P&SM Manager - Procurement • Fact Sheet Series 17000 • GU-BTEN-001BT, Chapter 3 equipment • BSP 010-170-001BS (Hazcom) Manhole cleaning Compliance with all applicable local, state, & federal laws and regulations • Std T&C 450 • Fact Sheet 14050 14050• BSP 620-145-011PR Issue A, August 1996 Pollution liability insurance • Std T&C 660-3 EVET approval of contractor • Approved Environmental Vendor List (Contact E/S Management) Removing or disturbing building materials that may contain asbestos Asbestos work practices • GU-BTEN-001BT, Chapter 3

CATEGORIES FOR CONSIDERATION OF ENVIRONMENTAL ISSUES. 2.1 When performing functions that fall under the following Environmental categories on BellSouth’s Premises, DSLi DukeNet agrees to comply with the applicable sections of the current issue of BellSouth's Environmental and Safety Methods and Procedures (M&Ps), incorporated herein by this reference. DSLi DukeNet further agrees to cooperate with BellSouth to ensure that DSLiDukeNet's employees, agents, and/or subcontractors suppliers are knowledgeable of and satisfy those provisions of BellSouth’s Environmental M&Ps which apply to the specific Environmental function being performed by DSLiDukeNet, its employees, agents and/or subcontractorssuppliers. 2.2 The most current version of the reference documentation must be requested from BellSouthDukeNet’s BellSouth Regional Contract Manager (RCM) (f/k/a Account Team Collocation Coordinator – ATCC). Version 2Q01: 09/19/01 Disposal of hazardous material or other regulated material (e.g., batteries, fluorescent tubes, solvents & cleaning materials) Compliance with all applicable local, state, & federal laws and regulations Pollution liability insurance EVET approval of contractor Std T&C 450 Fact Sheet Series 17000 Version 1Q03: 02/28/03 tubes, solvents & cleaning materials) Pollution liability insurance EVET approval of supplier Std T&C 660-3 Approved Environmental Vendor List (Contact E/S ManagementRCM Representative) Emergency response Hazmat/waste release/spill fire safety emergency Fact Sheet Series 1700 17000 Building Emergency Operations Plan (EOP) (specific to and located on Premises) Contract labor/outsourcing for services with environmental implications to be performed on BellSouth Premises (e.g., disposition of hazardous material/waste; maintenance of storage tanks) Compliance with all applicable local, state, & federal laws and regulations Performance of services in accordance with BST’s environmental M&Ps Insurance Std T&C 450 Std T&C 450-B (Contact E/S RCM Representative for copy of appropriate E/S M&Ps.) Std T&C 660 Transportation of hazardous material Compliance with all applicable local, state, & federal laws and regulations Pollution liability insurance EVET approval of supplier Std T&C 450 Fact Sheet Series 17000 Pollution liability insurance Std T&C 660-3 EVET approval of contractor Approved Environmental Vendor List (Contact E/S ManagementRCM Representative) Maintenance/operations work which may produce a waste Other maintenance work Compliance with all application applicable local, state, & federal laws and regulations Std T&C 450 Other maintenance work Protection of BST employees and equipment Std T&C 450 29CFR 1910.147 (OSHA Standard) 29CFR 1910 Subpart O (OSHA Standard) Version 2Q01: 09/19/01 Janitorial services All waste removal and disposal must conform to all applicable federal, state and local regulations All Hazardous Material and Procurement Manager (CRES Related Matters)-BST Supply Chain Services Version 1Q03: 02/28/03 Waste Asbestos notification and protection of employees and equipment P&SM Manager - Procurement Fact Sheet Series 17000 GU-BTEN-001BT, Chapter 3 BSP 010-170-001BS (Hazcom) Manhole cleaning Compliance with all applicable local, state, & federal laws and regulations Pollution liability insurance EVET approval of supplier Std T&C 450 Fact Sheet 14050 BSP 620-145-011PR Issue A, August 1996 Pollution liability insurance Std T&C 660-3 EVET approval of contractor Approved Environmental Vendor List (Contact E/S ManagementRCM Representative) Removing or disturbing building materials that may contain asbestos Asbestos work practices GU-BTEN-001BT, Chapter 33 For questions regarding removing or disturbing materials that contain asbestos, call the BellSouth Building Service Center: AL, MS, TN, KY & LA (local area code) 557-6194 FL, GA, NC & SC (local area code) 780-2740

CATEGORIES FOR CONSIDERATION OF ENVIRONMENTAL ISSUES. 2.1 When performing functions that fall under the following Environmental categories on BellSouth’s PremisesRemote Site Location, DSLi DukeNet agrees to comply with the applicable sections of the current issue of BellSouth's Environmental and Safety Methods and Procedures (M&Ps), incorporated herein by this reference. DSLi DukeNet further agrees to cooperate with BellSouth to ensure that DSLiDukeNet's employees, agents, and/or subcontractors suppliers are knowledgeable of and satisfy those provisions of BellSouth’s Environmental M&Ps which apply to the specific Environmental function being performed by DSLiDukeNet, its employees, agents and/or subcontractorssuppliers. 2.2 2.1.1 The most current version of reference documentation must be requested from BellSouthDukeNet's BellSouth Account Team Collocation Coordinator (ATCC) Representative. Version 2Q01: 09/19/01 Disposal of hazardous material or other regulated material (e.g., batteries, fluorescent tubes, solvents & cleaning materials) Compliance with all applicable local, state, & federal laws and regulations Pollution liability insurance EVET approval of contractor • Std T&C 450 • Fact Sheet Series 17000 • Std T&C 660-3 • Approved Environmental Vendor List (Contact E/S ManagementATCC EVET approval of supplier Representative) Emergency response Hazmat/waste release/spill fire safety emergency • Fact Sheet Series 1700 • Building Emergency Operations Plan (EOP) (specific to and located on PremisesRemote Site Location) Contract labor/outsourcing for services with environmental implications to be performed on BellSouth Premises Remote Site Location (e.g., disposition of hazardous material/waste; maintenance of storage tanks) Compliance with all applicable local, state, & federal laws and regulations Performance of services in accordance with BST’s environmental M&Ps Insurance • Std T&C 450 • Std T&C 450-B • (Contact E/S ATCC Representative for copy of appropriate E/S M&Ps.) • Std T&C 660 Transportation of hazardous material Compliance with all applicable local, state, & federal laws and regulations Pollution liability insurance EVET approval of supplier • Std T&C 450 • Fact Sheet Series 17000 Pollution liability insurance • Std T&C 660-3 EVET approval of contractor • Approved Environmental Vendor List (Contact E/S ManagementATCC Representative) Maintenance/operations work which may produce a waste Other maintenance work Compliance with all application applicable local, state, & federal laws and regulations Std T&C 450 Other maintenance work Protection of BST employees and equipment • Std T&C 450 • 29CFR 1910.147 (OSHA Standard) • 29CFR 1910 Subpart O (OSHA Standard) Version 2Q01: 09/19/01 Janitorial services All waste removal and disposal must conform to all applicable federal, state and local regulations All Hazardous Material and Waste Asbestos notification and protection of employees and equipment P&SM • –Procurement Manager - Procurement (CRES Related Matters)-BST Supply Chain Services • Fact Sheet Series 17000 • GU-BTEN-001BT, Chapter 3 • BSP 010-170-001BS (Hazcom) Manhole cleaning Compliance with all applicable local, state, & federal laws and regulations Pollution liability insurance EVET approval of supplier • Std T&C 450 • Fact Sheet 14050 14050• BSP 620-145-011PR Issue A, August 1996 Pollution liability insurance • Std T&C 660-3 EVET approval of contractor • Approved Environmental Vendor List (Contact E/S ManagementATCC Representative) Removing or disturbing building materials that may contain asbestos Asbestos work practices • GU-BTEN-001BT, Chapter 33 For questions regarding removing or disturbing materials that contain asbestos, call the BellSouth Building Service Center: AL, MS, TN, KY & LA (local area code) 557-6194 FL, GA, NC & SC (local area code) 780-2740

CATEGORIES FOR CONSIDERATION OF ENVIRONMENTAL ISSUES. 2.1 When performing functions that fall under the following Environmental categories on BellSouth’s Premises, DSLi ACCESS Integrated agrees to comply with the applicable sections of the current issue of BellSouth's Environmental and Safety Methods and Procedures (M&Ps), incorporated herein by this reference. DSLi ACCESS Integrated further agrees to cooperate with BellSouth to ensure that DSLiACCESS Integrated's employees, agents, suppliers and/or subcontractors Guests are knowledgeable of and satisfy those provisions of BellSouth’s Environmental M&Ps M&Ps, which apply to the specific Environmental function being performed by DSLiACCESS Integrated, its employees, agents agents, suppliers, and/or subcontractorsGuests. 2.2 The most current version of the reference documentation must be requested from BellSouthACCESS Integrated’s BellSouth Regional Contract Manager (RCM). Version 2Q01: 09/19/01 Disposal of hazardous material or other regulated material (e.g., batteries, fluorescent tubes, solvents & cleaning materials) Compliance with all applicable local, state, & federal laws and regulations Pollution liability insurance EVET approval of contractor supplier Std T&C 450 Fact Sheet Series 17000 Std T&C 660-3 Approved Environmental Vendor List (Contact E/S ManagementRCM Representative) Emergency response Hazmat/waste release/spill fire safety emergency Fact Sheet Series 1700 17000 Building Emergency Operations Plan (EOP) (specific to and located on BellSouth’s Premises) Contract labor/outsourcing for services with environmental implications to be performed on BellSouth Premises (e.g., disposition of hazardous material/waste; maintenance of storage tanks) Compliance with all applicable local, state, & federal laws and regulations Performance of services in accordance with BST’s environmental M&Ps Insurance Std T&C 450 Std T&C 450-B (Contact E/S RCM Representative for copy of appropriate E/S M&Ps.) Std T&C 660 Transportation of hazardous Compliance with all applicable Std T&C 450 material local, state, & federal laws and Fact Sheet Series 17000 regulations Pollution liability insurance Std T&C 660-3 EVET approval of supplier Approved Environmental Vendor List (Contact RCM Representative) Maintenance/operations work which may produce a waste Other maintenance work Compliance with all applicable local, state, & federal laws and regulations Std T&C 450 Fact Sheet Series 17000 Pollution liability insurance Std T&C 660-3 EVET approval of contractor Approved Environmental Vendor List (Contact E/S Management) Maintenance/operations work which may produce a waste Compliance with all application local, state, & federal laws and regulations Std T&C 450 Other maintenance work Protection of BST employees and equipment 29CFR Std T&C 450 29 C.F.R. § 1910.147 (OSHA Standard) 29CFR 29 C.F.R. § 1910 Subpart O (OSHA Standard) Version 2Q01: 09/19/01 Janitorial services All waste removal and disposal must conform to all applicable federal, state and local regulations All Hazardous Material and Waste Asbestos notification and protection of employees and equipment P&SM Procurement Manager - Procurement (CRES Related Matters)-BST Supply Chain Services Fact Sheet Series 17000 GU-BTEN-001BT, Chapter 3 BSP 010-170-001BS (Hazcom) Manhole cleaning Compliance with all applicable local, state, & federal laws and regulations Pollution liability insurance EVET approval of supplier Std T&C 450 Fact Sheet 14050 BSP 620-145-011PR Issue A, August 1996 Pollution liability insurance Std T&C 660-3 EVET approval of contractor Approved Environmental Vendor List (Contact E/S ManagementRCM Representative) Removing or disturbing building materials that may contain asbestos Asbestos work practices GU-BTEN-001BT, Chapter 33 For questions regarding removing or disturbing materials that contain asbestos, call the BellSouth Building Service Center: AL, MS, TN, KY & LA (local area code) 557-6194 FL, GA, NC & SC (local area code) 780-2740

CATEGORIES FOR CONSIDERATION OF ENVIRONMENTAL ISSUES. 2.1 When performing functions that fall under the following Environmental categories on BellSouthAT&T’s Premises, DSLi CLEC agrees to comply with the applicable sections of the current issue of BellSouth's AT&T’s Environmental and Safety Methods and Procedures (M&Ps), incorporated herein by this reference. DSLi CLEC further agrees to cooperate with BellSouth AT&T to ensure that DSLi's CLEC’s employees, agents, suppliers and/or subcontractors Guests are knowledgeable of and satisfy those provisions of BellSouthAT&T’s Environmental M&Ps M&Ps, which apply to the specific Environmental function being performed by DSLiCLEC, its employees, agents agents, suppliers, and/or subcontractorsGuests. 2.2 The most current version of the reference documentation must be requested from BellSouthCLEC’s AT&T Regional Contract Manager (RCM). Version 2Q01: 09/19/01 Disposal of hazardous material or other regulated material (e.g., batteries, fluorescent tubes, solvents & cleaning materials) Compliance with all applicable local, state, state & federal laws and regulations Pollution liability insurance EVET approval of contractor Std T&C 450 Fact Sheet Series 17000 Std T&C 660-3 EVET approval of supplier Approved Environmental Vendor List (Contact E/S ManagementRCM Representative) Emergency response Hazmat/waste safety emergency release/spill fire safety emergency Fact Sheet Series 1700 17000 Building Emergency Operations Plan (EOP) (specific to and located on AT&T’s Premises) Contract labor/outsourcing for services with environmental implications to be performed on BellSouth AT&T Premises (e.g., disposition of hazardous material/waste; maintenance of storage tanks) Compliance with all applicable local, state, & state and federal laws and regulations Performance of services in accordance with BSTwithAT&T’s environmental M&Ps Insurance Std T&C 450 Std T&C 450-B (Contact E/S RCM Representative for copy of appropriate E/S M&Ps.) Insurance Std T&C 660 Transportation of hazardous material Compliance with all applicable local, state, state & federal laws and regulations Pollution liability insurance EVET approval of supplier Std T&C 450 Fact Sheet Series 17000 Pollution liability insurance Std T&C 660-3 EVET approval of contractor Approved Environmental Vendor List (Contact E/S ManagementRCM Representative) Maintenance/operations work which may produce a waste Compliance with all application applicable local, state, state & federal laws and regulations Std T&C 450 Other maintenance work Protection of BST AT&T employees and equipment 29CFR 29 C.F.R. § 1910.147 (OSHA Standard) 29CFR 29 C.F.R. § 1910 Subpart O (OSHA Standard) Version 2Q01: 09/19/01 Janitorial services service All waste removal and disposal must conform to all applicable federal, state and local regulations Procurement Manager Related Matters)-AT&T Chain Services (CRES Supply All Hazardous Material and Waste Fact Sheet Series 17000 Asbestos notification and protection of employees and equipment P&SM Manager - Procurement Fact Sheet Series 17000 GU-BTEN-001BT, Chapter 3 BSP 010-170-001BS (Hazcom) Manhole cleaning Compliance with all applicable local, state, state & federal laws and regulations Std T&C 450 Fact Sheet 14050 BSP 620-145-011PR Issue A, August 1996 Pollution liability insurance Std T&C 660-3 EVET approval of contractor supplier Approved Environmental Vendor List (Contact E/S ManagementRCM Representative) Removing or disturbing building materials that may contain asbestos Asbestos work practices GU-BTEN-001BT, Chapter 33 for questions regarding removing or disturbing materials that contain asbestos, call the AT&T Building Service Center: AL, MS, TN, KY & LA (local area code) 557-6194 FL, GA, NC & SC (local area code) 780-2740

CATEGORIES FOR CONSIDERATION OF ENVIRONMENTAL ISSUES. 2.1 When performing functions that fall under the following Environmental categories on BellSouth’s PremisesRemote Site Location, DSLi ALCALL agrees to comply with the applicable sections of the current issue of BellSouth's Environmental and Safety Methods and Procedures (M&Ps), incorporated herein by this reference. DSLi ALCALL further agrees to cooperate with BellSouth to ensure that DSLiALCALL's employees, agents, and/or subcontractors suppliers are knowledgeable of and satisfy those provisions of BellSouth’s Environmental M&Ps which apply to the specific Environmental function being performed by DSLiALCALL, its employees, agents and/or subcontractorssuppliers. 2.2 2.1.1 The most current version of reference documentation must be requested from BellSouthALCALL's BellSouth Account Team Collocation Coordinator (ATCC) Representative. Version 2Q01: 09/19/01 Disposal of hazardous material or other regulated material (e.g., batteries, fluorescent tubes, solvents & cleaning materials) Compliance with all applicable local, state, & federal laws and regulations Pollution liability insurance EVET approval of contractor • Std T&C 450 • Fact Sheet Series 17000 • Std T&C 660-3 • Approved Environmental Vendor List (Contact E/S ManagementATCC EVET approval of supplier Representative) Emergency response Hazmat/waste release/spill fire safety emergency • Fact Sheet Series 1700 • Building Emergency Operations Plan (EOP) (specific to and located on PremisesRemote Site Location) Contract labor/outsourcing for services with environmental implications to be performed on BellSouth Premises Remote Site Location (e.g., disposition of hazardous material/waste; maintenance of storage tanks) Compliance with all applicable local, state, & federal laws and regulations Performance of services in accordance with BST’s environmental M&Ps Insurance • Std T&C 450 • Std T&C 450-B • (Contact E/S ATCC Representative for copy of appropriate E/S M&Ps.) • Std T&C 660 Transportation of hazardous material Compliance with all applicable local, state, & federal laws and regulations Pollution liability insurance EVET approval of supplier • Std T&C 450 • Fact Sheet Series 17000 Pollution liability insurance • Std T&C 660-3 EVET approval of contractor • Approved Environmental Vendor List (Contact E/S ManagementATCC Representative) Maintenance/operations work which may produce a waste Other maintenance work Compliance with all application applicable local, state, & federal laws and regulations Std T&C 450 Other maintenance work Protection of BST employees and equipment • Std T&C 450 • 29CFR 1910.147 (OSHA Standard) • 29CFR 1910 Subpart O (OSHA Standard) Version 2Q01: 09/19/01 Janitorial services All waste removal and disposal must conform to all applicable federal, state and local regulations All Hazardous Material and Waste Asbestos notification and protection of employees and equipment P&SM • –Procurement Manager - Procurement (CRES Related Matters)-BST Supply Chain Services • Fact Sheet Series 17000 • GU-BTEN-001BT, Chapter 3 • BSP 010-170-001BS (Hazcom) Manhole cleaning Compliance with all applicable local, state, & federal laws and regulations Pollution liability insurance EVET approval of supplier • Std T&C 450 • Fact Sheet 14050 14050• BSP 620-145-011PR Issue A, August 1996 Pollution liability insurance • Std T&C 660-3 EVET approval of contractor • Approved Environmental Vendor List (Contact E/S ManagementATCC Representative) Removing or disturbing building materials that may contain asbestos Asbestos work practices • GU-BTEN-001BT, Chapter 33 For questions regarding removing or disturbing materials that contain asbestos, call the BellSouth Building Service Center: AL, MS, TN, KY & LA (local area code) 557-6194 FL, GA, NC & SC (local area code) 780-2740

CATEGORIES FOR CONSIDERATION OF ENVIRONMENTAL ISSUES. 2.1 When performing functions that fall under the following Environmental categories on BellSouth’s Premises, DSLi ACCESS Integrated agrees to comply with the applicable sections of the current issue of BellSouth's Environmental and Safety Methods and Procedures (M&Ps), incorporated herein by this reference. DSLi ACCESS Integrated further agrees to cooperate with BellSouth to ensure that DSLiACCESS Integrated's employees, agents, suppliers and/or subcontractors Guests are knowledgeable of and satisfy those provisions of BellSouth’s Environmental M&Ps M&Ps, which apply to the specific Environmental function being performed by DSLiACCESS Integrated, its employees, agents agents, suppliers, and/or subcontractorsGuests. 2.2 The most current version of the reference documentation must be requested from BellSouthACCESS Integrated’s BellSouth Regional Contract Manager (RCM). Version 2Q01: 09/19/01 Disposal of hazardous material or other regulated material (e.g., batteries, fluorescent tubes, solvents & cleaning materials) Compliance with all applicable local, state, & federal laws and regulations Pollution liability insurance EVET approval of contractor supplier Std T&C 450 Fact Sheet Series 17000 Std T&C 660-3 Approved Environmental Vendor List (Contact E/S ManagementRCM Representative) Emergency response Hazmat/waste release/spill fire safety emergency Fact Sheet Series 1700 17000 Building Emergency Operations Plan (EOP) (specific to and located on BellSouth’s Premises) Contract labor/outsourcing for services with environmental implications to be performed on BellSouth Premises (e.g., disposition of hazardous material/waste; maintenance of storage tanks) Compliance with all applicable local, state, & federal laws and regulations Performance of services in accordance with BST’s environmental M&Ps Insurance Std T&C 450 Std T&C 450-B (Contact E/S RCM Representative for copy of appropriate E/S M&Ps.) Std T&C 660 Transportation of hazardous material Compliance with all applicable Std T&C 450 material local, state, & federal laws and regulations Std T&C 450 Fact Sheet Series 17000 Pollution liability insurance Std T&C 660-3 EVET approval of contractor supplier Approved Environmental Vendor List (Contact E/S ManagementRCM Representative) Maintenance/operations work which may produce a waste Other maintenance work Compliance with all application applicable local, state, & federal laws and regulations Std T&C 450 Other maintenance work Protection of BST employees and equipment 29CFR Std T&C 450 29 C.F.R. § 1910.147 (OSHA Standard) 29CFR 29 C.F.R. § 1910 Subpart O (OSHA Standard) Version 2Q01: 09/19/01 Janitorial services All waste removal and disposal must conform to all applicable federal, state and local regulations All Hazardous Material and Waste Asbestos notification and protection of employees and equipment P&SM Procurement Manager - Procurement (CRES Related Matters)-BST Supply Chain Services Fact Sheet Series 17000 GU-BTEN-001BT, Chapter 3 BSP 010-170-001BS (Hazcom) Manhole cleaning Compliance with all applicable local, state, & federal laws and regulations Pollution liability insurance EVET approval of supplier Std T&C 450 Fact Sheet 14050 BSP 620-145-011PR Issue A, August 1996 Pollution liability insurance Std T&C 660-3 EVET approval of contractor Approved Environmental Vendor List (Contact E/S ManagementRCM Representative) Removing or disturbing building materials that may contain asbestos Asbestos work practices GU-BTEN-001BT, Chapter 33 For questions regarding removing or disturbing materials that contain asbestos, call the BellSouth Building Service Center: AL, MS, TN, KY & LA (local area code) 557-6194 FL, GA, NC & SC (local area code) 780-2740