| County Name | Number of Samples |
|---|---|
| Adams | 437 |
| Allegheny | 99 |
| Armstrong | 235 |
| Beaver | 75 |
| Bedford | 533 |
| Berks | 523 |
| Blair | 664 |
| Bradford | 744 |
| Bucks | 128 |
| Butler | 180 |
| Cambria | 56 |
| Cameron | 3 |
| Carbon | 16 |
| Centre | 1035 |
| Chester | 684 |
| Clarion | 102 |
| Clearfield | 236 |
| Clinton | 114 |
| Columbia | 367 |
| Crawford | 187 |
| Cumberland | 560 |
| Dauphin | 294 |
| Delaware | 85 |
| Elk | 37 |
| Erie | 148 |
| Fayette | 112 |
| Forest | 14 |
| Franklin | 1916 |
| Fulton | 76 |
| Greene | 60 |
| Huntingdon | 692 |
| Indiana | 286 |
| Jefferson | 148 |
| Juniata | 303 |
| Lackawanna | 28 |
| Lancaster | 1889 |
| Lawrence | 137 |
| Lebanon | 359 |
| Lehigh | 101 |
| Luzerne | 67 |
| Lycoming | 193 |
| McKean | 54 |
| Mercer | 266 |
| Mifflin | 70 |
| Monroe | 24 |
| Montgomery | 273 |
| Montour | 270 |
| Northampton | 106 |
| Northumberland | 492 |
| Perry | 697 |
| Philadelphia | 3 |
| Pike | 18 |
| Potter | 169 |
| Schuylkill | 361 |
| Snyder | 211 |
| Somerset | 441 |
| Sullivan | 26 |
| Susquehanna | 160 |
| Tioga | 363 |
| Union | 284 |
| Venango | 114 |
| Warren | 69 |
| Washington | 222 |
| Wayne | 95 |
| Westmoreland | 332 |
| Wyoming | 162 |
| York | 629 |
| Extension | 55 |
| Total: | 19889 |
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
