| County Name | Number of Samples |
|---|---|
| Adams | 176 |
| Allegheny | 85 |
| Armstrong | 197 |
| Beaver | 124 |
| Bedford | 550 |
| Berks | 682 |
| Blair | 581 |
| Bradford | 529 |
| Bucks | 178 |
| Butler | 272 |
| Cambria | 293 |
| Cameron | 19 |
| Carbon | 18 |
| Centre | 1479 |
| Chester | 424 |
| Clarion | 119 |
| Clearfield | 398 |
| Clinton | 325 |
| Columbia | 483 |
| Crawford | 918 |
| Cumberland | 407 |
| Dauphin | 430 |
| Delaware | 12 |
| Elk | 59 |
| Erie | 257 |
| Fayette | 277 |
| Forest | 25 |
| Franklin | 988 |
| Fulton | 91 |
| Greene | 146 |
| Huntingdon | 628 |
| Indiana | 491 |
| Jefferson | 147 |
| Juniata | 396 |
| Lackawanna | 67 |
| Lancaster | 1030 |
| Lawrence | 240 |
| Lebanon | 179 |
| Lehigh | 168 |
| Luzerne | 112 |
| Lycoming | 387 |
| McKean | 73 |
| Mercer | 360 |
| Mifflin | 84 |
| Monroe | 45 |
| Montgomery | 134 |
| Montour | 101 |
| Northampton | 162 |
| Northumberland | 684 |
| Perry | 548 |
| Philadelphia | 105 |
| Pike | 13 |
| Potter | 289 |
| Schuylkill | 304 |
| Snyder | 356 |
| Somerset | 326 |
| Sullivan | 35 |
| Susquehanna | 324 |
| Tioga | 395 |
| Union | 408 |
| Venango | 102 |
| Warren | 122 |
| Washington | 265 |
| Wayne | 138 |
| Westmoreland | 307 |
| Wyoming | 212 |
| York | 554 |
| Total: | 20833 |
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
