Compost
 
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Compost
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 Compost testing provides a scientific way to promote the best composting practices and enhance product quality.

Note: Sewage sludge treatment must meet class A or class B pathogen reduction for samples to be analyzed by the lab. 
Also, industrial sludge samples will only be analyzed if they have passed the EPA toxicity characteristic leaching procedure (TCLP) test.

Submitting Samples Lab Guidelines Lab Methods
Compost/Sludge Form 
How to Fill out the Form
How to Collect a Compost Sample
Interpretation of Compost Report Compost 

Analyses Available

Cost per Sample
In State
Cost per Sample
Out of State
Standard Analysis - Includes percent moisture, total nitrogen, total carbon, carbon:nitrogen ratio, pH, organic matter, and soluble salts. $25.00 $50.00
Special analysis  - Includes the standard analysis listed above plus ammonium nitrogen and total digestible phosphorus, potassium, calcium, magnesium, sulfur, zinc, copper, manganese, iron, aluminum, and sodium. $40.00 $80.00
Carbon:Nitrogen $10.00 $20.00
Bulk Density $10.00 $20.00
Nitrate Nitrogen $10.00 $20.00
Fax Report $1.00 $1.00
Cd,Cr,Pb,Se,Mo,Ni,As $30.00 $60.00
Hg $30.00 $60.00

Contact lab for volume discounts

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This site was last updated 09/15/08