| County Name | Number of Samples |
|---|---|
| Adams | 239 |
| Allegheny | 456 |
| Armstrong | 140 |
| Beaver | 143 |
| Bedford | 292 |
| Berks | 774 |
| Blair | 291 |
| Bradford | 1278 |
| Bucks | 201 |
| Butler | 514 |
| Cambria | 305 |
| Cameron | 50 |
| Carbon | 51 |
| Centre | 2942 |
| Chester | 195 |
| Clarion | 169 |
| Clearfield | 379 |
| Clinton | 197 |
| Columbia | 607 |
| Crawford | 581 |
| Cumberland | 256 |
| Dauphin | 292 |
| Delaware | 35 |
| Elk | 74 |
| Erie | 334 |
| Fayette | 207 |
| Forest | 55 |
| Franklin | 211 |
| Fulton | 104 |
| Greene | 76 |
| Huntingdon | 318 |
| Indiana | 442 |
| Jefferson | 345 |
| Juniata | 486 |
| Lackawanna | 451 |
| Lancaster | 288 |
| Lawrence | 195 |
| Lebanon | 516 |
| Lehigh | 119 |
| Luzerne | 251 |
| Lycoming | 432 |
| McKean | 53 |
| Mercer | 399 |
| Mifflin | 87 |
| Monroe | 39 |
| Montgomery | 193 |
| Montour | 192 |
| Northampton | 93 |
| Northumberland | 543 |
| Perry | 840 |
| Philadelphia | 23 |
| Pike | 35 |
| Potter | 84 |
| Schuylkill | 283 |
| Snyder | 340 |
| Somerset | 273 |
| Sullivan | 133 |
| Susquehanna | 401 |
| Tioga | 419 |
| Union | 299 |
| Venango | 62 |
| Warren | 114 |
| Washington | 316 |
| Wayne | 94 |
| Westmoreland | 537 |
| Wyoming | 328 |
| York | 450 |
| Total: | 21923 |
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
