| County Name | Number of Samples |
|---|---|
| Adams | 125 |
| Allegheny | 203 |
| Armstrong | 205 |
| Beaver | 158 |
| Bedford | 363 |
| Berks | 522 |
| Blair | 414 |
| Bradford | 1468 |
| Bucks | 202 |
| Butler | 882 |
| Cambria | 226 |
| Cameron | 30 |
| Carbon | 17 |
| Centre | 2496 |
| Chester | 215 |
| Clarion | 223 |
| Clearfield | 391 |
| Clinton | 246 |
| Columbia | 681 |
| Crawford | 541 |
| Cumberland | 348 |
| Dauphin | 328 |
| Delaware | 40 |
| Elk | 72 |
| Erie | 379 |
| Fayette | 275 |
| Forest | 71 |
| Franklin | 464 |
| Fulton | 306 |
| Greene | 42 |
| Huntingdon | 278 |
| Indiana | 364 |
| Jefferson | 488 |
| Juniata | 521 |
| Lackawanna | 241 |
| Lancaster | 464 |
| Lawrence | 363 |
| Lebanon | 337 |
| Lehigh | 121 |
| Luzerne | 218 |
| Lycoming | 484 |
| McKean | 124 |
| Mercer | 409 |
| Mifflin | 59 |
| Monroe | 36 |
| Montgomery | 305 |
| Montour | 237 |
| Northampton | 85 |
| Northumberland | 775 |
| Perry | 728 |
| Philadelphia | 7 |
| Pike | 17 |
| Potter | 78 |
| Schuylkill | 352 |
| Snyder | 333 |
| Somerset | 313 |
| Sullivan | 72 |
| Susquehanna | 289 |
| Tioga | 488 |
| Union | 363 |
| Venango | 180 |
| Warren | 98 |
| Washington | 383 |
| Wayne | 79 |
| Westmoreland | 547 |
| Wyoming | 421 |
| York | 600 |
| Total: | 23190 |
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