| Subject | Counties Served |
| Abandoned Containers | Kenosha, Milwaukee, Ozaukee, Racine, Sheboygan, Walworth, Washington, Waukesha |
| Aboveground and Underground Storage Tanks (LUST)/Tank System Site Assessments (TSSA) | Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington, Waukesha |
| Case Closures | Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington, Waukesha |
| Continuing Obligations (aka Institutional and Engineering Controls) for Contaminated Properties | Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington, Waukesha |
| Environmental Site Investigation, Cleanup, Remedial Actions | Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington, Waukesha |
| Phase I and Phase II Environmental Site Assessments | Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington, Waukesha |
| Soil Cleanup Standards | Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington, Waukesha |
| Spills | Kenosha, Milwaukee, Ozaukee, Racine, Sheboygan, Walworth, Washington, Waukesha |