| County Name | Number of Samples |
|---|---|
| Adams | 112 |
| Allegheny | 64 |
| Armstrong | 126 |
| Beaver | 71 |
| Bedford | 423 |
| Berks | 499 |
| Blair | 299 |
| Bradford | 743 |
| Bucks | 134 |
| Butler | 289 |
| Cambria | 211 |
| Cameron | 8 |
| Carbon | 37 |
| Centre | 2141 |
| Chester | 180 |
| Clarion | 144 |
| Clearfield | 343 |
| Clinton | 137 |
| Columbia | 239 |
| Crawford | 413 |
| Cumberland | 410 |
| Dauphin | 327 |
| Delaware | 404 |
| Elk | 47 |
| Erie | 261 |
| Fayette | 102 |
| Forest | 34 |
| Franklin | 286 |
| Fulton | 59 |
| Greene | 38 |
| Huntingdon | 210 |
| Indiana | 271 |
| Jefferson | 247 |
| Juniata | 232 |
| Lackawanna | 70 |
| Lancaster | 382 |
| Lawrence | 110 |
| Lebanon | 101 |
| Lehigh | 131 |
| Luzerne | 127 |
| Lycoming | 297 |
| McKean | 58 |
| Mercer | 409 |
| Mifflin | 69 |
| Monroe | 36 |
| Montgomery | 194 |
| Montour | 148 |
| Northampton | 56 |
| Northumberland | 312 |
| Perry | 569 |
| Philadelphia | 11 |
| Pike | 10 |
| Potter | 152 |
| Schuylkill | 303 |
| Snyder | 150 |
| Somerset | 295 |
| Sullivan | 62 |
| Susquehanna | 320 |
| Tioga | 622 |
| Union | 306 |
| Venango | 102 |
| Warren | 69 |
| Washington | 202 |
| Wayne | 95 |
| Westmoreland | 237 |
| Wyoming | 191 |
| York | 290 |
| Total: | 16027 |
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
