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Compost Facility Permits
Contamination and Pollutants
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Four Classes of Facilities
Class I – Most Severe - Biosolids & MSW Class II – Animal Material & Food Waste Class III – Ag Residue, Manure, Wood, Paper Class IV – Same as III or Onsite Materials < 2 acre
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All Facilities Require
Control Surface Water – Onto and Off Control Nuisance Conditions – Noise, Dust, Odors Prevent Water Pollution – At or Beyond site Control Access – Prevent Illegal Dumping
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Contact Information Colorado State Regs - Glenn Mallory (303) Roger Dook (303) Weld County, Cindi Etcheverry (970) US EPA, Bob Brobst (303)
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Contaminants and Pollutants
Metals mg/kg Arsenic 41 Cadmium 39 Copper 1500 Lead 300 Mercury 17 Nickel 420 Selenium 100 Zinc 2800
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Contaminants and Pollutants
Pathogens Fecal coliform < mpn/1g tds Salmonella sp. < 3 mpn/4g tds Contaminants and Pollutants
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Contaminants Plastic Glass
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Contaminant Removal Typical Feedstock
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Contaminant Removal Separation Methods
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Contaminant Removal Rotating Drum
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Contaminant Removal Screening
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Contaminant Removal Glass and Metal
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Is achieved best with Good Source Separation
Contaminant Removal Is achieved best with Good Source Separation
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