Compost Testing
Compost Testing Capabilities
The Environmental Research and Innovation Center (ERIC) at UW Oshkosh has many compost testing capabilities.
See the list below for the most commonly requested tests.

Compost Testing Capabilities
Test Name |
---|
Moisture/Total Solids Test |
Organic Matter/Ash |
pH |
Electrical Conductivity |
Man Made Materials (Inerts) |
Sieve Analysis (Particle Size) |
Total Nitrogen |
Nitrate, Nitrogen |
Organic Nitrogen |
Ammonia Nitrogen |
Total Phosphorous and Phosphate (P205) |
Total Potassium and Potash (K20) |
Total Calcium |
Total Magnesium |
Total Sodium |
Total Iron |
Total Copper |
Total Manganese |
Total Zinc |
Sulfur |
Boron |
Chloride |
TOC |
C/N Ratio |
Arsenic |
Cadmium |
Cobalt |
Chromium |
Lead |
Mercury |
Molybdenum |
Nickel |
Selenium |
Bioassay Germination/Vigor |
Maturity Index |
Fecal Coliform |
Salmonella |
Agricultural Index |
Please contact us at eric@uwosh.edu or (920) 424-3148 for more information.
UNIVERSITY OF WISCONSIN OSHKOSH
Environmental Research and Innovation Center
(920) 424-3148
eric@uwosh.edu783 Pearl Avenue
Oshkosh, WI 54901
Hours
Monday-Friday 8 a.m. – 4 p.m.
Samples Accepted
Monday-Thursday 8 a.m. – 3 p.m.
Mailing Address
UW Oshkosh ERIC
800 Algoma Blvd.
Oshkosh, WI 54901