| Subject | Counties Served |
| Construction and Demolition Landfills | Brown, Calumet, Oconto, Outagamie, Shawano, Winnebago |
| Landfill Design and Construction | Brown, Calumet, Oconto, Outagamie, Shawano, Winnebago |
| Landfill Gas and Leachate | Brown, Calumet, Oconto, Outagamie, Shawano, Winnebago |
| Landfill Operation | Brown, Calumet, Oconto, Outagamie, Shawano, Winnebago |
| Landfill Ownership and Liability | Brown, Calumet, Oconto, Outagamie, Shawano, Winnebago |
| Landfills, Active | Brown, Calumet, Oconto, Outagamie, Shawano, Winnebago |
| Landfills, Building or Development | Brown, Calumet, Oconto, Outagamie, Shawano, Winnebago |
| Landfills, Closed | Brown, Calumet, Oconto, Outagamie, Shawano, Winnebago |
| Waste & Materials Management | Brown, Calumet, Oconto, Outagamie, Shawano, Winnebago |