| County Name | Number of Samples |
|---|---|
| Adams | 163 |
| Allegheny | 94 |
| Armstrong | 120 |
| Beaver | 150 |
| Bedford | 817 |
| Berks | 539 |
| Blair | 624 |
| Bradford | 845 |
| Bucks | 224 |
| Butler | 464 |
| Cambria | 442 |
| Cameron | 26 |
| Carbon | 58 |
| Centre | 1296 |
| Chester | 634 |
| Clarion | 163 |
| Clearfield | 489 |
| Clinton | 178 |
| Columbia | 484 |
| Crawford | 660 |
| Cumberland | 766 |
| Dauphin | 626 |
| Delaware | 10 |
| Elk | 37 |
| Erie | 289 |
| Fayette | 283 |
| Forest | 14 |
| Franklin | 1332 |
| Fulton | 214 |
| Greene | 226 |
| Huntingdon | 353 |
| Indiana | 486 |
| Jefferson | 162 |
| Juniata | 333 |
| Lackawanna | 101 |
| Lancaster | 1496 |
| Lawrence | 192 |
| Lebanon | 323 |
| Lehigh | 142 |
| Luzerne | 77 |
| Lycoming | 504 |
| McKean | 74 |
| Mercer | 702 |
| Mifflin | 103 |
| Monroe | 69 |
| Montgomery | 191 |
| Montour | 106 |
| Northampton | 163 |
| Northumberland | 825 |
| Perry | 559 |
| Philadelphia | 29 |
| Pike | 41 |
| Potter | 235 |
| Schuylkill | 340 |
| Snyder | 391 |
| Somerset | 484 |
| Sullivan | 30 |
| Susquehanna | 345 |
| Tioga | 493 |
| Union | 636 |
| Venango | 137 |
| Warren | 108 |
| Washington | 419 |
| Wayne | 180 |
| Westmoreland | 522 |
| Wyoming | 231 |
| York | 1276 |
| Total: | 25126 |
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
