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Table 17. Austria Ö-NORM 2200 standard compost limits

Organic contents(DM%)
Parameters Ö-NORM S 2200 Limits
Volatile solids > 20
Total carbon > 12
Macronutrients
Total nitrogen (DM%) < 0,2
Total nitrate (N-NO 3) (DM%) < 0,1
Total ammonia (N-NH 4) (DM%) Determined by the manufacturer
Phosphorus (total P 2O 5) Determined by the manufacturer
Phosphorus (possible) Determined by the manufacturer
Calcium (total CaO) Determined by the manufacturer
Potassium (total K 2O)(DM%) Determined by the manufacturer
Potassium (possible)(DM%) Determined by the manufacturer
Manganese (total MgO)(DM%) Determined by the manufacturer
Boron (mg/kg DM) < 10
Carbon/Nitrogen (C:N) Determined by the manufacturer
Heavy metals, mg/kg
Chrome 70
Nickel 42
Copper 70
Zinc 210
Cadmium 0,7
Mercury 0,7
Lead 70
Lindane 0,1
Phsical properties
Moisture content (%raw weight) 25-50
Moisture capacity (DM%) > 100
Raw density (kg 1 raw weight) < 0,85
pH (H 2O) (-) Determined by the manufacturer
EC (pS/cm) < 2,0
Particle size > 25 mm (DM%) < 3
Total physical contamination (DM%) < 0,5
Will include plastics > 200 (DM%) 0,2
Will include plastics > 20 mm (DM%) 0
Plant tolerance margin, %15 compost
Plant biomass (% reference mass) 100
Germination delay (days) 0
Germination number (%) 100
Plant tolerance, %30 compost
Plant biomass (% reference mass) 100
Germination delay (days) 0
Germination number (%) 100
Plant tolerance, %30 compost
Plant biomass (% reference mass) 90
Germination delay (days) 1
Germination number (%) 100

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