| Subject | Counties Served |
| Case Closures | Milwaukee |
| Continuing Obligations | Milwaukee |
| Department of Transportation Sites | Kenosha, Milwaukee, Ozaukee, Racine, Washington, Waukesha |
| Environmental Assessment | Milwaukee |
| Groundwater Contamination | Milwaukee |
| Groundwater Remediation | Milwaukee |
| Institutional Control Audits | Milwaukee |
| Institutional Controls for Contaminated Properties | Milwaukee |
| Leaking Underground Storage Tanks (LUST) | Milwaukee |
| Operation and Maintenance | Milwaukee |
| Phase I and Phase II Environmental Site Assessments | Milwaukee |
| Remedial Actions | Milwaukee |
| Soil Contamination | Milwaukee |
| Soil Remediation | Milwaukee |