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Manufactured Gas Plants (MGPs)
What are MGPs?
MGPs operated to provide gas from coal or oil. MGPs were constructed with similar facilities and generated similar wastes using defined manufacturing processes. The gas manufacturing and purification processes produced by-products and residues that may include tars, sludges, and light oils. These residues may contain Polycyclic Aromatic Hydrocarbons (PAHs), petroleum hydrocarbons, benzene, cyanide, metals and phenols. Residues often occur at the same locations at former MGP sites. Typically, soil, ground water, and nearby sediment can be contaminated. The wastes contain a number of known and suspected cancer-causing agents and other potentially hazardous chemicals.
EPA Region 5 is working on former MGPs in Wisconsin and Illinois
- Green Bay, WI
- Manitowoc, WI
- Marinette, WI
- Oshkosh, WI
- Sheboygan, WI (Campmarina)
- Stevens Point, WI
- Two Rivers, WI
- Peoples Gas & North Shore Gas (IL)
You will need the free Adobe Reader to view some of the files on this page. See EPA's PDF page to learn more.
Links for Wisconsin former MGPs
- Integrys Energy Group
- DHFS Fact Sheet on Former MGPs
- Health-based Guidelines for the Excavation of Former Manufactured Gas Plants (WI DHFS)
Multi-site Manufactured Gas Plant documents
- Multi-site risk assessment framework - former manufactured gas plant sites (PDF) (105pp, 4.6MB) September 2007
- Multi-Site Conceptual Site Model Former Manufactured Gas Plant Sites (PDF) (30pp, 481K) August 2007
- Multi-Site Health And Safety Plan Former Manufactured Gas Plant Sites (PDF) (71pp, 460K) August 2007
- Multi-Site Quality Assurance Project Plan (PDF) (83pp, 308K) September 2007
- Multi-Site Quality Assurance Project Plan Figures and Tables (PDF) (24pp, 192K) September 2007
- Multi-Site Quality Assurance Project Plan Appendices (PDF) (424pp, 3.1MB) September 2007 (minus sub appendices A1-A11 which are very large files)