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Delaware Department of

Sample Analysis

Laboratory Analysis

The Agriculture Compliance Laboratory analyzes samples within our testing capabilities upon request by the general public. The Laboratory is capable of analyzing feed, fertilizer, lime and manure samples. To see a list of available tests view the sample submission form below. There is no testing fee for Delaware residents, but a $25.00 fee per sample for any non-Delaware residents.

Please bring a completed sample form when delivering your sample to the lab:

2310 S. DuPont Highway Dover, DE 19901

General Sample Submission Form


Manure Analysis Certification

The Laboratory is a certified manure testing laboratory through the Manure Analysis Proficiency (MAP) Program. The laboratory has endorsements through the program for the following tests on manure samples:

  • Ammonium
  • Nitrogen
  • Calcium
  • Copper
  • Magnesium
  • Nitrogen by Combustion
  • Phosphorus
  • Potassium
  • Sodium
  • Sulfur
  • Total Kjeldahl Nitrogen
  • Total Solids
  • Zinc

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