| County Name | Number of Samples |
|---|---|
| Adams | 388 |
| Allegheny | 95 |
| Armstrong | 193 |
| Beaver | 160 |
| Bedford | 591 |
| Berks | 416 |
| Blair | 454 |
| Bradford | 785 |
| Bucks | 119 |
| Butler | 233 |
| Cambria | 231 |
| Cameron | 18 |
| Carbon | 63 |
| Centre | 1191 |
| Chester | 346 |
| Clarion | 206 |
| Clearfield | 411 |
| Clinton | 98 |
| Columbia | 322 |
| Crawford | 478 |
| Cumberland | 573 |
| Dauphin | 305 |
| Delaware | 16 |
| Elk | 40 |
| Erie | 259 |
| Fayette | 288 |
| Forest | 8 |
| Franklin | 1384 |
| Fulton | 140 |
| Greene | 136 |
| Huntingdon | 331 |
| Indiana | 363 |
| Jefferson | 138 |
| Juniata | 187 |
| Lackawanna | 167 |
| Lancaster | 715 |
| Lawrence | 122 |
| Lebanon | 259 |
| Lehigh | 117 |
| Luzerne | 89 |
| Lycoming | 498 |
| McKean | 85 |
| Mercer | 485 |
| Mifflin | 114 |
| Monroe | 61 |
| Montgomery | 114 |
| Montour | 83 |
| Northampton | 152 |
| Northumberland | 432 |
| Perry | 526 |
| Philadelphia | 11 |
| Pike | 19 |
| Potter | 323 |
| Schuylkill | 294 |
| Snyder | 258 |
| Somerset | 336 |
| Sullivan | 41 |
| Susquehanna | 332 |
| Tioga | 594 |
| Union | 439 |
| Venango | 64 |
| Warren | 107 |
| Washington | 346 |
| Wayne | 163 |
| Westmoreland | 313 |
| Wyoming | 117 |
| York | 672 |
| Total: | 19414 |
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