# Rule 1133.3

Chris Ravenstein Air Quality Inspector II

# Rule 1133.3 - Emission Reductions from

Greenwaste Composting Adopted July 8, 2011 

### • Purpose

– To reduce fugitive emissions of VOCs and ammonia occurring during greenwaste composting operations 

### • Applicability

– Operators of all new and existing greenwaste composting operations that produce active or finished compost from greenwaste by itself or greenwaste in combination with manure or foodwaste, unless exempted

# Exemptions The following activities are exempt from the requirements of Rule 1133.3: 

### • Co-composting operations 

### • Community composting 

### • Nursery composting 

### • Backyard composting 

### • Recreational facility composting 

### • Greenwaste composting operations with an installed emission control device are exempt from a portion of Rule 1133.3

# Requirements

• Chip or grind and use greenwaste for on -site composting 

### • Use foodwaste for on -site composting within 48 hours of receipt or cover foodwaste with screened or unscreened finished compost until used

## Requirements (continued) Facilities composting greenwaste only, up to 20 percent manure, by volume, or up to 5,000 tons per year of 

### foodwaste throughput: 

## • Cover each active phase pile with screened or unscreened finished compost within twenty-four 

### hours of initial pile formation 

## • New piles shall not be turned for the first seven days of the active phase of composting

# Requirements (continued)

• For the active phase, turn only wet piles 

### • If the pile needs to be turned within the first seven days for managing temperature or pathogen reduction, the operator does not need to re -apply the screened or unscreened finished compost cover and shall apply water for the first fifteen days of the active phase 

### • Conduct squeeze ball test before turning

# Dry Material

# Squeeze – Hand Pressure Grip

# Fail – Not Wet Enough

# Pass

# Requirements (continued)

• Existing facilities composting greater than 5,000 tons per year of foodwaste



### – Active phase composting with >10% foodwaste shall be conducted using an emission control device 

### • New greenwaste composting operations that intend to compost greater than 5,000 tons per year of foodwaste throughput



### – Obtain a permit for an emission control device prior to construction

# Requirements (continued) Existing greenwaste composting operations > 5,000 

### tons per year of foodwaste: 

### • Emission control device 

### • Source test after implementation and every three years thereafter

# Recordkeeping

• Records shall be kept in a format approved by the Executive Officer 

### • Records shall be maintained for the prior five years, with the most recent two years retained at the facility

# Suggested Record Keeping Form Date Activity Initials 9/1/2011 Received greenwaste: 2t (8cy), 3t (12cy), 4t (16cy) 9/1/2011 Received foodwaste: 4t 9/1/2011 Rcvd manure: 5cy 9/1/2011 Created new pile (#11 - 18), covered with unscreened finished 9/1/2011 Watered pile #11 - 18 9/2/2011 Rained hard 3 hours, all piles passed squeeze test, no watering 9/2/2011 Turned active piles: 11 - 14, 11 - 15, 11 - 16, 11 - 17 9/2/2011 Removed from feedstock: 1.5t wood, 0.75t trash 9/30/2011 Total Greenwaste Rcvd: 120t (480cy) 9/30/2011 Foodwaste Tonnage (non -foodwaste material/tons) 9/30/2011 Total Foodwaste Rcvd: 43t 9/30/2011 Total Manure Rcvd: 88cy 9/30/2011 Total material shipped offsite for disposal: 2.5t