| County Name | Number of Samples |
|---|---|
| Adams | 286 |
| Allegheny | 390 |
| Armstrong | 215 |
| Beaver | 86 |
| Bedford | 574 |
| Berks | 335 |
| Blair | 487 |
| Bradford | 762 |
| Bucks | 248 |
| Butler | 375 |
| Cambria | 244 |
| Cameron | 34 |
| Carbon | 9 |
| Centre | 1325 |
| Chester | 290 |
| Clarion | 127 |
| Clearfield | 378 |
| Clinton | 224 |
| Columbia | 353 |
| Crawford | 441 |
| Cumberland | 286 |
| Dauphin | 348 |
| Delaware | 66 |
| Elk | 46 |
| Erie | 291 |
| Fayette | 266 |
| Forest | 3 |
| Franklin | 569 |
| Fulton | 206 |
| Greene | 117 |
| Huntingdon | 461 |
| Indiana | 387 |
| Jefferson | 223 |
| Juniata | 300 |
| Lackawanna | 55 |
| Lancaster | 994 |
| Lawrence | 149 |
| Lebanon | 232 |
| Lehigh | 246 |
| Luzerne | 99 |
| Lycoming | 369 |
| McKean | 45 |
| Mercer | 510 |
| Mifflin | 95 |
| Monroe | 43 |
| Montgomery | 205 |
| Montour | 65 |
| Northampton | 365 |
| Northumberland | 717 |
| Perry | 843 |
| Philadelphia | 2 |
| Pike | 22 |
| Potter | 145 |
| Schuylkill | 257 |
| Snyder | 190 |
| Somerset | 287 |
| Sullivan | 28 |
| Susquehanna | 575 |
| Tioga | 510 |
| Union | 275 |
| Venango | 79 |
| Warren | 154 |
| Washington | 416 |
| Wayne | 82 |
| Westmoreland | 310 |
| Wyoming | 266 |
| York | 465 |
| Total: | 19847 |
Ag Analytical Services Lab
Hours: Monday-Friday, 8:00 AM - 4:30 PM
- Email aaslab@psu.edu
- Office 814-863-0841
- Fax 814-863-4540
Ag Analytical Services Lab
Hours: Monday-Friday, 8:00 AM - 4:30 PM
- Email aaslab@psu.edu
- Office 814-863-0841
- Fax 814-863-4540
