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Compost Analysis


The Compost Quality Alliance (CQA) is a voluntary program established by the The Compost Council of Canada and the compost producers utilizing standardized testing methodologies and uniform operating protocols to improve customer confidence in compost selection and utilization.

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Compost Analysis
Basic Monitoring Analysis Plus Total Phosphorus, Total Potassium, Total Nitrogen, pH, Organic Matter, C:N ratio, Sodium, Moisture, Ash, Total Organic Carbon, Bulk Density
Envrionmental Trace Elements Arsenic, Cadmium, Chromium, Cobalt, Copper, Lead, Mercury, Molybdenum, Nickel, Selenium, Zinc
Compost Quality Parameters Total Organic Matter, pH, Nitrogen, Phosphorus, Potassium, Magnesium, Calcium, Sulphur, Boron, Copper, Manganese, Iron, Zinc, Sodium, Aluminum, Soluble Salts, Moisture, SAR, C:N ratio, Organic Carbon, Ash.
Soil Suitability (S8C) Available Organic Matter, pH, Lime Index, Phosphorus, Potassium, Magnesium, Zinc, Iron, Aluminum, NO3-N, Soluble Salts, Moisture, C:N ratio
Other Environmental Tests C: N Ratio: / PCB's: / Repirometry (CO2 Evolution or Dewar Self-heating test) : / Total Carbon: / Carbon: Nitrogen Ratio: / Moisture: / Bulk Density: / Germination Maturity Test (Water Cress and Radish): / Nitrate Nitrogen: / Organic Matter Content: / Total Inert Materials (% Glass, % Plastic, % Metal): / Particle Size 50mm(2 in), 25mm(1 in), 15mm(5/8 in), 9.5mm(3/8 in), 4mm(1/8 in):
S8 Organic Matter, pH, Phosphorus, Potassium, Calcium (using Mehlich III extraction)
S8A S8 plus Zinc, Manganese, Iron, Copper, Boron, Sulphur
S8B S8A plus Conductivity and Nitrate-N
S8C Compost Analysis - pH, Lime Index, available Organic Matter, P, K, Mg, Ca, S, B, Cu, zn, Fe, Na, NO3-N, Sol Salts, Moisture, C:N Ratio
S9 pH, Phosphorus, Potassium, Magnesium, Calcium (saturated paste extraction)
S9A S9A plus Zinc, Manganese, Iron, Copper, Boron, Sulphur
S9B S9A plus Zinc, Manganese, Iron, Copper, Boron, Sulphur
Bioassay Screens for the presence of phytotoxins in compost based on seedling emergence and growth of cucmber in compost/ vermiculite mix. Maturity test by germination (water cress and radish).
Total Humates
Total Humates #
Compost Quality Assurance (CQA) Test Packages
Basic Test Package Basic Test Package, Total Nitrogen, Total Phosphorus, Total Potassium
Full CQA Package Compost Quality Assurance Package (CQA), Environmental Trace Elements' Parameters, Soil Suitability Parameters (S8C), Maturity (CO2 or Dewar), Particle Size, Total Inert Materials (Foreign Matter Content), Microbiological (Fecal, Coliform & Salmonella)
Microbiology Listeria, Salmonella, Fecal Coliform
Contaminant Analysis
Herbicides Herbicides, Clopyralid, Picloram
Chlorinated Pesticides & PCBs Chlorinated Pesticides & PCBsResidues of many chemicals associated with agricultural and industry wastes and sometimes present in compost source material.
Volatile Organics (BTEX) Volatile Organics (BTEX)Benzene, Toluene, Ethylbenzene, Xylenes.
PAH's PAHs - Polycyclic Aromatic HydrocarbonsCombustion by-products that are generally carcinogenic found in some municipal and industrial wastes expected to be very low or absent in waste/compost.