| County Name | Number of Samples |
|---|---|
| Adams | 115 |
| Allegheny | 242 |
| Armstrong | 115 |
| Beaver | 88 |
| Bedford | 499 |
| Berks | 276 |
| Blair | 259 |
| Bradford | 990 |
| Bucks | 377 |
| Butler | 291 |
| Cambria | 198 |
| Cameron | 5 |
| Carbon | 26 |
| Centre | 2806 |
| Chester | 154 |
| Clarion | 118 |
| Clearfield | 241 |
| Clinton | 125 |
| Columbia | 307 |
| Crawford | 393 |
| Cumberland | 446 |
| Dauphin | 390 |
| Delaware | 174 |
| Elk | 32 |
| Erie | 208 |
| Fayette | 86 |
| Forest | 25 |
| Franklin | 534 |
| Fulton | 146 |
| Greene | 27 |
| Huntingdon | 217 |
| Indiana | 231 |
| Jefferson | 172 |
| Juniata | 262 |
| Lackawanna | 79 |
| Lancaster | 487 |
| Lawrence | 172 |
| Lebanon | 186 |
| Lehigh | 228 |
| Luzerne | 195 |
| Lycoming | 342 |
| McKean | 20 |
| Mercer | 280 |
| Mifflin | 40 |
| Monroe | 50 |
| Montgomery | 202 |
| Montour | 165 |
| Northampton | 125 |
| Northumberland | 324 |
| Perry | 577 |
| Pike | 17 |
| Potter | 121 |
| Schuylkill | 277 |
| Snyder | 178 |
| Somerset | 238 |
| Sullivan | 60 |
| Susquehanna | 289 |
| Tioga | 308 |
| Union | 161 |
| Venango | 143 |
| Warren | 68 |
| Washington | 185 |
| Wayne | 140 |
| Westmoreland | 227 |
| Wyoming | 302 |
| York | 203 |
| Total: | 16964 |
Ag Analytical Services Lab
Hours: Monday-Friday, 8:00 AM - 4:00 PM
- Email aaslab@psu.edu
- Office 814-863-0841
- Fax 814-863-4540
Ag Analytical Services Lab
Hours: Monday-Friday, 8:00 AM - 4:00 PM
- Email aaslab@psu.edu
- Office 814-863-0841
- Fax 814-863-4540