| County Name | Number of Samples |
|---|---|
| Adams | 157 |
| Allegheny | 284 |
| Armstrong | 127 |
| Beaver | 74 |
| Bedford | 503 |
| Berks | 221 |
| Blair | 427 |
| Bradford | 920 |
| Bucks | 304 |
| Butler | 370 |
| Cambria | 267 |
| Cameron | 8 |
| Carbon | 50 |
| Centre | 1785 |
| Chester | 290 |
| Clarion | 94 |
| Clearfield | 451 |
| Clinton | 184 |
| Columbia | 422 |
| Crawford | 564 |
| Cumberland | 488 |
| Dauphin | 441 |
| Delaware | 187 |
| Elk | 81 |
| Erie | 280 |
| Fayette | 229 |
| Forest | 30 |
| Franklin | 647 |
| Fulton | 214 |
| Greene | 71 |
| Huntingdon | 488 |
| Indiana | 299 |
| Jefferson | 171 |
| Juniata | 325 |
| Lackawanna | 188 |
| Lancaster | 462 |
| Lawrence | 154 |
| Lebanon | 278 |
| Lehigh | 116 |
| Luzerne | 115 |
| Lycoming | 351 |
| McKean | 14 |
| Mercer | 493 |
| Mifflin | 45 |
| Monroe | 57 |
| Montgomery | 217 |
| Montour | 268 |
| Northampton | 520 |
| Northumberland | 454 |
| Perry | 845 |
| Philadelphia | 14 |
| Pike | 1 |
| Potter | 165 |
| Research |
2 |
| Schuylkill | 405 |
| Snyder | 318 |
| Somerset | 310 |
| Sullivan | 33 |
| Susquehanna | 523 |
| Tioga | 531 |
| Union | 438 |
| Venango | 76 |
| Warren | 113 |
| Washington | 254 |
| Wayne | 141 |
| Westmoreland | 318 |
| Wyoming | 406 |
| York | 521 |
| Total: | 20599 |
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