| County Name | Number of Samples |
|---|---|
| Adams | 64 |
| Allegheny | 126 |
| Armstrong | 158 |
| Beaver | 109 |
| Bedford | 221 |
| Berks | 434 |
| Blair | 176 |
| Bradford | 1032 |
| Bucks | 174 |
| Butler | 466 |
| Cambria | 212 |
| Cameron | 16 |
| Carbon | 25 |
| Centre | 2018 |
| Chester | 200 |
| Clarion | 287 |
| Clearfield | 276 |
| Clinton | 227 |
| Columbia | 315 |
| Crawford | 329 |
| Cumberland | 235 |
| Dauphin | 251 |
| Delaware | 102 |
| Elk | 35 |
| Erie | 223 |
| Fayette | 166 |
| Forest | 31 |
| Franklin | 150 |
| Fulton | 218 |
| Greene | 52 |
| Huntingdon | 168 |
| Indiana | 298 |
| Jefferson | 219 |
| Juniata | 415 |
| Lackawanna | 111 |
| Lancaster | 272 |
| Lawrence | 291 |
| Lebanon | 248 |
| Lehigh | 166 |
| Luzerne | 205 |
| Lycoming | 264 |
| McKean | 35 |
| Mercer | 409 |
| Mifflin | 25 |
| Monroe | 22 |
| Montgomery | 152 |
| Montour | 242 |
| Northampton | 69 |
| Northumberland | 480 |
| Perry | 744 |
| Philadelphia | 10 |
| Pike | 33 |
| Potter | 116 |
| Schuylkill | 245 |
| Snyder | 148 |
| Somerset | 301 |
| Sullivan | 21 |
| Susquehanna | 382 |
| Tioga | 526 |
| Union | 376 |
| Venango | 103 |
| Warren | 62 |
| Washington | 266 |
| Wayne | 94 |
| Westmoreland | 418 |
| Wyoming | 281 |
| York | 354 |
| Total: | 16899 |
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
