| County Name | Number of Samples |
|---|---|
| Adams | 95 |
| Allegheny | 208 |
| Armstrong | 177 |
| Beaver | 53 |
| Bedford | 197 |
| Berks | 919 |
| Blair | 556 |
| Bradford | 895 |
| Bucks | 185 |
| Butler | 656 |
| Cambria | 275 |
| Cameron | 23 |
| Carbon | 33 |
| Centre | 2519 |
| Chester | 120 |
| Clarion | 217 |
| Clearfield | 294 |
| Clinton | 379 |
| Columbia | 350 |
| Crawford | 482 |
| Cumberland | 302 |
| Dauphin | 452 |
| Delaware | 250 |
| Elk | 58 |
| Erie | 215 |
| Fayette | 216 |
| Forest | 25 |
| Franklin | 197 |
| Fulton | 152 |
| Greene | 59 |
| Huntingdon | 208 |
| Indiana | 316 |
| Jefferson | 239 |
| Juniata | 270 |
| Lackawanna | 268 |
| Lancaster | 330 |
| Lawrence | 300 |
| Lebanon | 435 |
| Lehigh | 130 |
| Luzerne | 144 |
| Lycoming | 402 |
| McKean | 23 |
| Mercer | 418 |
| Mifflin | 46 |
| Monroe | 55 |
| Montgomery | 294 |
| Montour | 131 |
| Northampton | 138 |
| Northumberland | 611 |
| Perry | 825 |
| Philadelphia | 12 |
| Pike | 15 |
| Potter | 158 |
| Schuylkill | 230 |
| Snyder | 191 |
| Somerset | 351 |
| Sullivan | 90 |
| Susquehanna | 318 |
| Tioga | 590 |
| Union | 305 |
| Venango | 60 |
| Warren | 105 |
| Washington | 301 |
| Wayne | 87 |
| Westmoreland | 436 |
| Wyoming | 223 |
| York | 396 |
| Total: | 20014 |
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