Compost Facility Permits Contamination and Pollutants

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

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

Contact Information Colorado State Regs - http://www.cdphe.state.co.us Glenn Mallory (303) 692-3445 Roger Dook (303) 692-3437 Weld County, Cindi Etcheverry (970) 304-6415 US EPA, Bob Brobst (303) 312-6129

Contaminants and Pollutants Metals mg/kg Arsenic 41 Cadmium 39 Copper 1500 Lead 300 Mercury 17 Nickel 420 Selenium 100 Zinc 2800

Contaminants and Pollutants Pathogens Fecal coliform < 1000 mpn/1g tds Salmonella sp. < 3 mpn/4g tds Contaminants and Pollutants

Contaminants Plastic Glass

Contaminant Removal Typical Feedstock

Contaminant Removal Separation Methods

Contaminant Removal Rotating Drum

Contaminant Removal Screening

Contaminant Removal Glass and Metal

Is achieved best with Good Source Separation Contaminant Removal Is achieved best with Good Source Separation