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

CATEGORIES FOR CONSIDERATION OF ENVIRONMENTAL ISSUES. When performing functions that fall under the following Environmental categories on BellSouth’s Premises, 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. KMC Telecom further agrees to cooperate with BellSouth to ensure that KMC 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 KMC Telecom, its employees, agents and/or subcontractors. The most current version of reference documentation must be requested from BellSouth. ENVIRONMENTAL CATEGORIES ENVIRONMENTAL ISSUES ADDRESSED BY THE FOLLOWING DOCUMENTATION Disposal of hazardous material Compliance with all applicable • Std T&C 450 or other regulated material (e.g., batteries, fluorescent tubes, solvents & cleaning materials) local, state, & federal laws and regulations Pollution liability insurance EVET approval of contractor • Fact Sheet Series 17000 • Std T&C 660-3 • Approved Environmental Vendor List (Contact E/S Management) Emergency response Hazmat/waste release/spill 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 • Std T&C 660-3 • 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 Protection of BST employees and equipment • Std T&C 450 • 29CFR 1910.147 (OSHA Standard) • 29CFR 1910 Subpart O (OSHA Standard) 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 • 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• 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. When performing functions that fall under the following Environmental categories on BellSouth’s Premises, KMC Telecom agrees to comply with the applicable sections (cont.) EXHIBIT B Page 3 of the current issue of BellSouth's Environmental and Safety Methods and Procedures (M&Ps), incorporated herein by this reference. KMC Telecom further agrees to cooperate with BellSouth to ensure that KMC 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 KMC Telecom, its employees, agents and/or subcontractors. The most current version of reference documentation must be requested from BellSouth. 4 ENVIRONMENTAL CATEGORIES ENVIRONMENTAL ISSUES ADDRESSED BY THE FOLLOWING DOCUMENTATION Disposal of hazardous material Compliance with all applicable • Std T&C 450 or other regulated material (e.g., batteries, fluorescent tubes, solvents & cleaning materials) local, state, & federal laws and regulations Pollution liability insurance EVET approval of contractor • Fact Sheet Series 17000 • Std T&C 450 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 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 • GU-BTEN-001BT, Chapter 4 Std T&C 660-3 • Approved Environmental Vendor List (Contact E/S Management) GU-BTEN-001BT, Chapter 10 Maintenance/operations work which may produce a waste Other maintenance work Compliance with all application local, state, & federal laws and regulations 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) Janitorial services All waste removal and 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 equipment • 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 33 EXHIBIT B

CATEGORIES FOR CONSIDERATION OF ENVIRONMENTAL ISSUES. When performing functions that fall under the following Environmental categories on BellSouth’s Premises, KMC Telecom 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. KMC Telecom WebShoppe further agrees to cooperate with BellSouth to ensure that KMC TelecomWebShoppe'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 KMC TelecomWebShoppe, its employees, agents and/or subcontractors. The most current version of reference documentation must be requested from BellSouth. ENVIRONMENTAL CATEGORIES ENVIRONMENTAL ISSUES ADDRESSED BY THE FOLLOWING DOCUMENTATION 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 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 • Std T&C 660-3 • 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) 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• 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. When performing functions that fall under the following Environmental categories on BellSouth’s Premises, KMC Telecom 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. KMC Telecom COMPASS further agrees to cooperate with BellSouth to ensure that KMC TelecomCOMPASS'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 KMC TelecomCOMPASS, its employees, agents and/or subcontractors. The most current version of reference documentation must be requested from BellSouth. 2. Categories for Consideration of Environmental Issues (cont.) ENVIRONMENTAL CATEGORIES ENVIRONMENTAL ISSUES ADDRESSED BY THE FOLLOWING DOCUMENTATION Disposal of hazardous material Compliance with all applicable • Std T&C 450 or other regulated material (e.g., batteries, fluorescent tubes, solvents & cleaning materials) local, state, & federal laws and regulations Pollution liability insurance EVET approval of contractor • Fact Sheet Series 17000 • Std T&C 450 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 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 • GU-BTEN-001BT, Chapter 4 Std T&C 660-3 • Approved Environmental Vendor List (Contact E/S Management) GU-BTEN-001BT, Chapter 10 Maintenance/operations work which may produce a waste Other maintenance work Compliance with all application local, state, & federal laws and regulations 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) 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 • P&SM Manager - equipment Procurement • Fact Sheet Series 17000 • GU-BTEN-001BT, Chapter 4, GU-BTEN-001BT, Chapter 3 equipment • 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 33 EXHIBIT B

CATEGORIES FOR CONSIDERATION OF ENVIRONMENTAL ISSUES. When performing functions that fall under the following Environmental categories on BellSouth’s Premises, KMC Telecom agrees to comply with the applicable sections (cont.) EXHIBIT C Page 3 of the current issue of BellSouth's Environmental and Safety Methods and Procedures (M&Ps), incorporated herein by this reference. KMC Telecom further agrees to cooperate with BellSouth to ensure that KMC 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 KMC Telecom, its employees, agents and/or subcontractors. The most current version of reference documentation must be requested from BellSouth. 4 ENVIRONMENTAL CATEGORIES ENVIRONMENTAL ISSUES ADDRESSED BY THE FOLLOWING DOCUMENTATION DOCUMENTS Disposal of hazardous material Compliance with all applicable • Std T&C 450 or other regulated material (e.g., batteries, fluorescent tubes, solvents & cleaning materials) local, state, & federal laws and regulations Pollution liability insurance EVET approval of contractor • Fact Sheet Series 17000 • Std T&C 450 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 firesafety emergency • Fact Sheet Series 1700 • GU-BTEN-001BT, Chapter Building Emergency Operations Plan (EOP) (specific to and located on Premisescentral office) Contract labor/outsourcing for services with environmental implications to be performed on BellSouth Premises 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 • GU-BTEN-001BT, Chapter 4 Std T&C 660-3 • Approved Environmental Vendor List (Contact E/S Management) GU-BTEN-001BT, Chapter 10 Maintenance/operations work which may produce a waste Other maintenance work Compliance with all application local, state, & federal laws and regulations 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) Janitorial services All waste removal and 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 equipment • 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 33 EXHIBIT C