COLLECTION OF GROUNDWATER SAMPLES Sample Clauses

COLLECTION OF GROUNDWATER SAMPLES. QUALITY ASSURANCE/QUALITY CONTROL SAMPLES
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COLLECTION OF GROUNDWATER SAMPLES. Groundwater samples will be collected using low-flow techniques in accordance with U.S. EPA guidance (EPA/540/S-95/504, April 1996). The following general procedures will be followed during groundwater sampling events. • For monitor xxxxx with a depth to water measurement of less than 20 feet below ground surface (bgs), disposable polyethelene tubing will be inserted into the well to a depth where the tubing intake is at the approximate midpoint of the screened interval. The tubing will then be attached to a non-submersible peristaltic pump for purging and sampling; • Xxxxx with depth to water measurements greater than 20 feet below ground surface will be sampled with either a dedicated QED bladder pump or a deconned stainless-steel Monsoon pump. Both of these options are equipped with polyethene tubing and are either set at the midpoint of the screened interval or inserted, depending on pump type used; • All purging will be at a set flow rate generally less than 0.5 L/min (within a range of 0.1 L/min to 0.5 L/min); • The desired drawdown created by the purging process is less than the U.S. EPA recommended 0.1 meter (0.33 feet). In instances where drawdown exceeds 0.1 meter (0.33 feet), a purge rate of less than 0.5 L/min will be maintained; and • Water quality indicator parameters, such as pH, temperature, conductivity, dissolved oxygen, oxidation reduction potential and turbidity will be collected using an In-Situ Aqua Troll 600 (or equivalent) water quality meter. The Aqua Troll utilizes the Vu Situ Android application where all water quality parameters are monitored and user is notified when all parameters are stable. When all parameters are stabilized or after 45 minutes of purging, whichever occurs first, a sample will be collected. Sampling personnel will record all measurements in a field logbook immediately after collection. Low flow purging reports are generated by the Vu Situ application and can be printed for reporting purposes. Ground water samples will be collected immediately after low-flow sampling and parameter stabilization occurs using the appropriate pump and tubing. The submersible pump will be decontaminated between each well using liquinox and plant potable water. A final distilled water rinse will also be conducted. Purge water and decontamination water will be placed in plastic 30 drum or 20-liter carboys and discarded in the plant’s wastewater treatment system. If the wastewater treatment system is not available, purge and deconta...

Related to COLLECTION OF GROUNDWATER SAMPLES

  • Groundwater Any water, except capillary moisture, beneath the land surface or beneath the bed of any stream, lake, reservoir or other body of surface water within the boundaries of this state, whatever may be the geologic formation or structure in which such water stands, flows, percolates, or otherwise moves.

  • Storage Tanks If storage tanks storing Hazardous Materials located on the Premises or the Project are used by Tenant or are hereafter placed on the Premises or the Project by Tenant, Tenant shall install, use, monitor, operate, maintain, upgrade and manage such storage tanks, maintain appropriate records, obtain and maintain appropriate insurance, implement reporting procedures, properly close any storage tanks, and take or cause to be taken all other actions necessary or required under applicable state and federal Legal Requirements, as such now exists or may hereafter be adopted or amended in connection with the installation, use, maintenance, management, operation, upgrading and closure of such storage tanks. Notwithstanding anything to the contrary contained herein, Tenant shall have no right to use or install any underground storage tanks at the Project.

  • Underground Storage Tanks In accordance with the requirements of Section 3(g) of the D.C. Underground Storage Tank Management Act of 1990, as amended by the District of Columbia Underground Storage Tank Management Act of 1990 Amendment Act of 1992 (D.C. Code § 8-113.01, et seq.) (collectively, the “UST Act”) and the applicable D.C. Underground Storage Tank Regulations, 20 DCMR Chapter 56 (the “UST Regulations”), District hereby informs the Developer that it has no knowledge of the existence or removal during its ownership of the Property of any “underground storage tanks” (as defined in the UST Act). Information pertaining to underground storage tanks and underground storage tank removals of which the D.C. Government has received notification is on file with the District Department of the Environment, Underground Storage Tank Branch, 00 X Xxxxxx, X.X., Xxxxx Xxxxx, Xxxxxxxxxx, X.X., 00000, telephone (000) 000-0000. District’s knowledge for purposes of this Section shall mean and be limited to the actual knowledge of Xxxxxx Xxxxx, Property Acquisition and Disposition Division of the Department of Housing and Community Development, telephone no. (000) 000-0000. The foregoing is set forth pursuant to requirements contained in the UST Act and UST Regulations and does not constitute a representation or warranty by District.

  • Materials of Environmental Concern have not been transported or disposed of from the Properties in violation of, or in a manner or to a location that could give rise to liability under, any Environmental Law, nor have any Materials of Environmental Concern been generated, treated, stored or disposed of at, on or under any of the Properties in violation of, or in a manner that could give rise to liability under, any applicable Environmental Law;

  • Underground Tanks If underground or other storage tanks storing Hazardous Materials located on the Premises or the Project are used by Tenant or are hereafter placed on the Premises or the Project by Tenant, Tenant shall install, use, monitor, operate, maintain, upgrade and manage such storage tanks, maintain appropriate records, obtain and maintain appropriate insurance, implement reporting procedures, properly close any underground storage tanks, and take or cause to be taken all other actions necessary or required under applicable state and federal Legal Requirements, as such now exists or may hereafter be adopted or amended in connection with the installation, use, maintenance, management, operation, upgrading and closure of such storage tanks.

  • Underground Facilities All underground pipelines, conduits, ducts, cables, wires, manholes, vaults, tanks, tunnels, or other such facilities or attachments, and any encasements containing such facilities, including without limitation those that convey electricity, gases, steam, liquid petroleum products, telephone or other communications, cable television, water, wastewater, storm water, other liquids or chemicals, or traffic or other control systems.

  • Dangerous Materials Tenant shall not keep or have on the Premises any article or thing of a dangerous, flammable, or explosive character that might substantially increase the danger of fire on the Premises, or that might be considered hazardous by a responsible insurance company, unless the prior written consent of Landlord is obtained and proof of adequate insurance protection is provided by Tenant to Landlord.

  • Smoke Free Environment The Lessor shall make all parts of the leased premise smoke-free. "

  • Hazardous Substances The words "Hazardous Substances" mean materials that, because of their quantity, concentration or physical, chemical or infectious characteristics, may cause or pose a present or potential hazard to human health or the environment when improperly used, treated, stored, disposed of, generated, manufactured, transported or otherwise handled. The words "Hazardous Substances" are used in their very broadest sense and include without limitation any and all hazardous or toxic substances, materials or waste as defined by or listed under the Environmental Laws. The term "Hazardous Substances" also includes, without limitation, petroleum and petroleum by-products or any fraction thereof and asbestos.

  • Storage The ordering agency is responsible for storage if the contractor delivers within the time required and the agency cannot accept delivery.

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