| County Name | Number of Samples |
|---|---|
| Adams | 99 |
| Allegheny | 148 |
| Armstrong | 100 |
| Beaver | 65 |
| Bedford | 366 |
| Berks | 223 |
| Blair | 433 |
| Bradford | 837 |
| Bucks | 239 |
| Butler | 493 |
| Cambria | 174 |
| Cameron | 13 |
| Carbon | 12 |
| Centre | 1952 |
| Chester | 140 |
| Clarion | 236 |
| Clearfield | 253 |
| Clinton | 205 |
| Columbia | 334 |
| Crawford | 285 |
| Cumberland | 346 |
| Dauphin | 330 |
| Delaware | 130 |
| Elk | 46 |
| Erie | 165 |
| Fayette | 173 |
| Forest | 12 |
| Franklin | 523 |
| Fulton | 206 |
| Greene | 55 |
| Huntingdon | 225 |
| Indiana | 285 |
| Jefferson | 175 |
| Juniata | 197 |
| Lackawanna | 63 |
| Lancaster | 478 |
| Lawrence | 87 |
| Lebanon | 151 |
| Lehigh | 76 |
| Luzerne | 163 |
| Lycoming | 224 |
| McKean | 40 |
| Mercer | 355 |
| Mifflin | 70 |
| Monroe | 48 |
| Montgomery | 205 |
| Montour | 126 |
| Northampton | 70 |
| Northumberland | 507 |
| Perry | 502 |
| Philadelphia | 8 |
| Pike | 2 |
| Potter | 133 |
| Research |
112 |
| Schuylkill | 232 |
| Snyder | 187 |
| Somerset | 175 |
| Sullivan | 38 |
| Susquehanna | 291 |
| Tioga | 322 |
| Union | 257 |
| Venango | 89 |
| Warren | 65 |
| Washington | 202 |
| Wayne | 53 |
| Westmoreland | 271 |
| Wyoming | 171 |
| York | 298 |
| Total: | 15550 |
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
