| Subject | Counties Served |
| Abandoned Containers | Ashland, Barron, Bayfield, Burnett, Douglas, Florence, Forest, Iron, Langlade, Lincoln, Oneida, Polk, Price, Rusk, Sawyer, Taylor, Vilas, Washburn |
| Case Closures | Ashland, Bayfield |
| Dry Cleaner Environmental Response Program (DERP) | Ashland, Bayfield |
| Environmental Site Investigation, Cleanup, Remedial Actions | Ashland, Bayfield |
| Phase I and Phase II Environmental Site Assessments | Ashland, Bayfield |
| POC RR Hydrogeologist Primary | Ashland, Bayfield |
| Soil Cleanup Standards | Ashland, Bayfield |
| Spills | Ashland, Barron, Bayfield, Burnett, Douglas, Florence, Forest, Iron, Langlade, Lincoln, Oneida, Polk, Price, Rusk, Sawyer, Taylor, Vilas, Washburn |