| County Name | Number of Samples |
|---|---|
| Adams | 474 |
| Allegheny | 150 |
| Armstrong | 181 |
| Beaver | 124 |
| Bedford | 947 |
| Berks | 502 |
| Blair | 869 |
| Bradford | 1278 |
| Bucks | 150 |
| Butler | 474 |
| Cambria | 469 |
| Cameron | 21 |
| Carbon | 42 |
| Centre | 1201 |
| Chester | 725 |
| Clarion | 193 |
| Clearfield | 562 |
| Clinton | 195 |
| Columbia | 406 |
| Crawford | 873 |
| Cumberland | 867 |
| Dauphin | 531 |
| Delaware | 31 |
| Elk | 59 |
| Erie | 272 |
| Fayette | 356 |
| Forest | 17 |
| Franklin | 1960 |
| Fulton | 283 |
| Greene | 267 |
| Huntingdon | 561 |
| Indiana | 501 |
| Jefferson | 163 |
| Juniata | 458 |
| Lackawanna | 115 |
| Lancaster | 1388 |
| Lawrence | 203 |
| Lebanon | 329 |
| Lehigh | 150 |
| Luzerne | 156 |
| Lycoming | 501 |
| McKean | 106 |
| Mercer | 647 |
| Mifflin | 168 |
| Monroe | 27 |
| Montgomery | 228 |
| Montour | 188 |
| Northampton | 141 |
| Northumberland | 759 |
| Perry | 627 |
| Philadelphia | 50 |
| Pike | 31 |
| Potter | 348 |
| Schuylkill | 293 |
| Snyder | 495 |
| Somerset | 438 |
| Sullivan | 34 |
| Susquehanna | 372 |
| Tioga | 557 |
| Union | 661 |
| Venango | 132 |
| Warren | 120 |
| Washington | 671 |
| Wayne | 227 |
| Westmoreland | 469 |
| Wyoming | 331 |
| York | 668 |
| Total: | 27792 |
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
