| County Name | Number of Samples |
|---|---|
| Adams | 211 |
| Allegheny | 102 |
| Armstrong | 154 |
| Beaver | 104 |
| Bedford | 473 |
| Berks | 471 |
| Blair | 571 |
| Bradford | 722 |
| Bucks | 206 |
| Butler | 419 |
| Cambria | 309 |
| Cameron | 11 |
| Carbon | 48 |
| Centre | 1153 |
| Chester | 510 |
| Clarion | 151 |
| Clearfield | 429 |
| Clinton | 124 |
| Columbia | 468 |
| Crawford | 660 |
| Cumberland | 687 |
| Dauphin | 386 |
| Delaware | 18 |
| Elk | 59 |
| Erie | 200 |
| Fayette | 329 |
| Forest | 15 |
| Franklin | 1090 |
| Fulton | 162 |
| Greene | 97 |
| Huntingdon | 290 |
| Indiana | 326 |
| Jefferson | 150 |
| Juniata | 355 |
| Lackawanna | 62 |
| Lancaster | 1286 |
| Lawrence | 98 |
| Lebanon | 385 |
| Lehigh | 175 |
| Luzerne | 147 |
| Lycoming | 460 |
| McKean | 46 |
| Mercer | 623 |
| Mifflin | 58 |
| Monroe | 76 |
| Montgomery | 116 |
| Montour | 128 |
| Northampton | 171 |
| Northumberland | 484 |
| Perry | 525 |
| Philadelphia | 5 |
| Pike | 27 |
| Potter | 170 |
| Schuylkill | 250 |
| Snyder | 280 |
| Somerset | 243 |
| Sullivan | 19 |
| Susquehanna | 259 |
| Tioga | 524 |
| Union | 541 |
| Venango | 115 |
| Warren | 121 |
| Washington | 362 |
| Wayne | 156 |
| Westmoreland | 246 |
| Wyoming | 175 |
| York | 717 |
| Total: | 20510 |
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
