| County Name | Number of Samples |
|---|---|
| Adams | 97 |
| Allegheny | 174 |
| Armstrong | 140 |
| Beaver | 57 |
| Bedford | 413 |
| Berks | 247 |
| Blair | 296 |
| Bradford | 676 |
| Bucks | 162 |
| Butler | 240 |
| Cambria | 206 |
| Cameron | 20 |
| Carbon | 14 |
| Centre | 2380 |
| Chester | 212 |
| Clarion | 94 |
| Clearfield | 283 |
| Clinton | 146 |
| Columbia | 405 |
| Crawford | 479 |
| Cumberland | 430 |
| Dauphin | 380 |
| Delaware | 167 |
| Elk | 41 |
| Erie | 156 |
| Fayette | 154 |
| Forest | 6 |
| Franklin | 598 |
| Fulton | 200 |
| Greene | 54 |
| Huntingdon | 273 |
| Indiana | 245 |
| Jefferson | 139 |
| Juniata | 217 |
| Lackawanna | 91 |
| Lancaster | 940 |
| Lawrence | 92 |
| Lebanon | 206 |
| Lehigh | 87 |
| Luzerne | 128 |
| Lycoming | 321 |
| McKean | 65 |
| Mercer | 387 |
| Mifflin | 73 |
| Mifflin |
10 |
| Monroe | 27 |
| Montgomery | 209 |
| Montour | 252 |
| Northampton | 94 |
| Northumberland | 403 |
| Perry | 695 |
| Philadelphia | 4 |
| Pike | 16 |
| Potter | 211 |
| Research | 116 |
| Schuylkill | 389 |
| Snyder | 280 |
| Somerset | 216 |
| Sullivan | 41 |
| Susquehanna | 302 |
| Tioga | 346 |
| Union | 426 |
| Venango | 109 |
| Warren | 82 |
| Washington | 220 |
| Wayne | 108 |
| Westmoreland | 347 |
| Wyoming | 278 |
| York | 450 |
| Total: | 17822 |
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
