| County Name | Number of Samples |
|---|---|
| Adams | 157 |
| Allegheny | 237 |
| Armstrong | 193 |
| Beaver | 123 |
| Bedford | 633 |
| Berks | 639 |
| Blair | 611 |
| Bradford | 668 |
| Bucks | 181 |
| Butler | 307 |
| Cambria | 295 |
| Cameron | 23 |
| Carbon | 11 |
| Centre | 1262 |
| Chester | 918 |
| Clarion | 161 |
| Clearfield | 412 |
| Clinton | 363 |
| Columbia | 586 |
| Crawford | 735 |
| Cumberland | 463 |
| Dauphin | 674 |
| Delaware | 34 |
| Elk | 76 |
| Erie | 273 |
| Fayette | 441 |
| Forest | 10 |
| Franklin | 930 |
| Fulton | 319 |
| Greene | 103 |
| Huntingdon | 298 |
| Indiana | 538 |
| Jefferson | 179 |
| Juniata | 475 |
| Lackawanna | 98 |
| Lancaster | 1216 |
| Lawrence | 174 |
| Lebanon | 433 |
| Lehigh | 89 |
| Luzerne | 97 |
| Lycoming | 403 |
| McKean | 50 |
| Mercer | 588 |
| Mifflin | 134 |
| Monroe | 24 |
| Montgomery | 180 |
| Montour | 196 |
| Northampton | 238 |
| Northumberland | 971 |
| Perry | 839 |
| Philadelphia | 1 |
| Pike | 39 |
| Potter | 166 |
| Schuylkill | 382 |
| Snyder | 336 |
| Somerset | 277 |
| Sullivan | 67 |
| Susquehanna | 499 |
| Tioga | 424 |
| Union | 508 |
| Venango | 126 |
| Warren | 125 |
| Washington | 421 |
| Wayne | 144 |
| Westmoreland | 363 |
| Wyoming | 314 |
| York | 993 |
| Total: | 24243 |
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
