| County Name | Number of Samples |
|---|---|
| Adams | 216 |
| Allegheny | 37 |
| Armstrong | 191 |
| Beaver | 80 |
| Bedford | 686 |
| Berks | 457 |
| Blair | 626 |
| Bradford | 670 |
| Bucks | 160 |
| Butler | 345 |
| Cambria | 316 |
| Cameron | 21 |
| Carbon | 88 |
| Centre | 1196 |
| Chester | 403 |
| Clarion | 152 |
| Clearfield | 372 |
| Clinton | 421 |
| Columbia | 387 |
| Crawford | 705 |
| Cumberland | 394 |
| Dauphin | 474 |
| Delaware | 11 |
| Elk | 86 |
| Erie | 205 |
| Fayette | 292 |
| Forest | 11 |
| Franklin | 842 |
| Fulton | 285 |
| Greene | 86 |
| Huntingdon | 421 |
| Indiana | 365 |
| Jefferson | 163 |
| Juniata | 318 |
| Lackawanna | 113 |
| Lancaster | 1182 |
| Lawrence | 89 |
| Lebanon | 300 |
| Lehigh | 178 |
| Luzerne | 90 |
| Lycoming | 408 |
| McKean | 27 |
| Mercer | 424 |
| Mifflin | 163 |
| Monroe | 73 |
| Montgomery | 193 |
| Montour | 188 |
| Northampton | 161 |
| Northumberland | 907 |
| Perry | 779 |
| Philadelphia | 3 |
| Pike | 24 |
| Potter | 95 |
| Schuylkill | 247 |
| Snyder | 339 |
| Somerset | 255 |
| Sullivan | 40 |
| Susquehanna | 400 |
| Tioga | 443 |
| Union | 412 |
| Venango | 124 |
| Warren | 162 |
| Washington | 322 |
| Wayne | 129 |
| Westmoreland | 215 |
| Wyoming | 197 |
| York | 623 |
| Total: | 20787 |
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
