U.S. EPA Contaminated Site Cleanup Information (CLU-IN)

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McCarthy Jr., A.J.
Florida Department of Environmental Protection (FDEP), Tallahassee, FL. 40 pp, 2019

Through the use of reports, directories, maps, library research, and detective work, the FDER/FDEP CERCLA Group initially identified 24 locations of Florida MGPs. The list ultimately grew to 29 MGP and MGP dump sites, though at two of the sites, investigations showed none of the expected contamination. MGPs have been referred to variously as town gas plants and as coal gas or gasification plants. Through a heating process, MGPs used coal (or coke), steam, and a gasification agent (naphtha, Bunker C fuel oil, diesel fuel No. 6) to produce a combustible gas (hydrogen and carbon monoxide) for city street gas lights, home lighting, and stoves. Most MGP operations ceased in Florida by 1959 with the completion of the natural gas transmission lines. Waste products from MGP operations included tars, aqueous ammoniacal liquors, cyanide "Prussian Blue," and heavy metals. Coal tar contains numerous VOCs, such as BTEX and PAHs [e.g., benzo[a]pyrene]. Contamination of soil, surface water/sediment, and groundwater was common at the MGP sites. https://floridadep.gov/sites/default/files/MGP-Assess-Remed-Status_03Feb19.pdf

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