| County Name | Number of Samples |
|---|---|
| Adams | 89 |
| Allegheny | 114 |
| Armstrong | 192 |
| Beaver | 110 |
| Bedford | 349 |
| Berks | 413 |
| Blair | 332 |
| Bradford | 1522 |
| Bucks | 166 |
| Butler | 402 |
| Cambria | 353 |
| Cameron | 7 |
| Carbon | 31 |
| Centre | 2410 |
| Chester | 218 |
| Clarion | 212 |
| Clearfield | 309 |
| Clinton | 199 |
| Columbia | 515 |
| Crawford | 404 |
| Cumberland | 392 |
| Dauphin | 392 |
| Delaware | 366 |
| Elk | 48 |
| Erie | 306 |
| Fayette | 221 |
| Forest | 22 |
| Franklin | 262 |
| Fulton | 111 |
| Greene | 79 |
| Huntingdon | 146 |
| Indiana | 286 |
| Jefferson | 315 |
| Juniata | 348 |
| Lackawanna | 238 |
| Lancaster | 388 |
| Lawrence | 165 |
| Lebanon | 539 |
| Lehigh | 156 |
| Luzerne | 162 |
| Lycoming | 484 |
| McKean | 46 |
| Mercer | 380 |
| Mifflin | 47 |
| Monroe | 36 |
| Montgomery | 162 |
| Montour | 111 |
| Northampton | 96 |
| Northumberland | 445 |
| Perry | 773 |
| Philadelphia | 8 |
| Pike | 15 |
| Potter | 178 |
| Schuylkill | 295 |
| Snyder | 198 |
| Somerset | 204 |
| Sullivan | 62 |
| Susquehanna | 294 |
| Tioga | 436 |
| Union | 219 |
| Venango | 71 |
| Warren | 128 |
| Washington | 362 |
| Wayne | 141 |
| Westmoreland | 389 |
| Wyoming | 397 |
| York | 312 |
| Total: | 19578 |
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
