William LeonardSeptember 22, 2005

Trials & Tribulationsof De-Canning with an

Aerosol KruncherTM

Hennepin County Facts

• Size – 611 square miles• Population – 1,116,200• Occupied Housing Units – 456,129

• Cities, Townships, Territories – 47

• County Seat – Minneapolis

First HHW Event Collection

• 1986

• 2 day collection (Friday & Saturday)• 1,200 Participants

• 3,740 gallons paint and flammable liquids

Permanent Facilities

• BPTS– August 1990– 2,896 participants

• SHRAPWDOC– October 1993– 3,760 participants

Program GrowthYEAR (vehicles) (gallons) (gallons) (gallons) (gallons) (gallons) (gallons) (gallons) (gallons) (gallons) Participant

1986 1,200 5,650 1,512 1,237 991 9,390 7.831987 4,400 11,733 7,361 6,059 5,367 30,520 6.941988 6,600 11,440 7,563 6,187 4,407 29,597 4.481989 8,750 4,185 0 5,000 3,000 12,185 1.391990 3,846 7,426 8,346 5,974 2,455 4,286 28,487 7.411991 16,473 39,416 28,380 23,925 5,060 12,539 109,320 6.641992 21,045 48,256 58,435 27,910 8,910 19,643 163,154 7.751993 25,131 52,618 39,960 31,020 7,975 33,865 165,438 6.581994 38,427 83,472 49,995 36,850 11,605 54,910 236,832 6.161995 39,732 72,522 48,895 39,490 11,579 62,760 275 495 7,946 243,962 6.141996 43,885 83,083 52,305 41,140 12,980 71,175 2,365 4,290 9,987 277,325 6.321997 54,307 91,860 58,850 47,190 14,410 77,545 2,862 5,446 9,099 307,262 5.661998 61,163 99,749 66,110 49,720 17,545 81,925 3,355 7,168 9,524 335,096 5.481998 67,759 103,621 70,950 50,380 17,930 83,427 3,575 6,655 8,614 345,152 5.091999 68,154 102,233 67,650 46,200 17,380 78,818 2,695 6,325 8,497 329,798 4.842000 80,960 108,817 89,375 54,285 19,580 83,565 2,475 7,765 8,909 374,771 4.632001 85,122 95,979 93,500 54,560 19,910 82,355 2,310 7,700 7,428 363,742 4.272002 85,122 95,979 93,500 54,560 19,910 82,355 2,310 7,700 7,428 363,742 4.272003 84,860 94,627 91,080 53,185 21,835 75,765 1,870 6,985 7,727 353,074 4.162004 93,283 101,959 107,745 57,305 22,660 78,385 2,035 7,425 7,445 384,959 4.13

Highlighted years correspond to opening of permanent facilities.*Lab packs - For this report, the lab packs designation consists of pesticides, aerosols, oven cleaners, asbestos, dioxin wastes, paint and varnish strippers, heavy metal bearing solids, oily water, PCB Ballasts, lead based paint chips, acids, contaminated debris, halogenated and non-halogenated liquids, bases, oxidizers, contact cements, adhesives, roofing tars and petroleum based driveway sealers, & flammable solids.

Program Budget

• $5,124,000• Major Categories

– $1,600,000 Disposal– $1,580,000 Operations (facilities & events)– $1,150,000 Processing (electronics &

batteries)

Automating System

• Can Crushers

• Log splitter

• Shredders

• Mechanical openers

The KRUNCHER

Description

• Hydraulic Press• Two Rams

• Plunger

• Shear

• 100,000 psi

Processing Info

YEARFlam.

LiquidsAerosols

Oil Filters

Oil Paints

Latex Paints

2004 107 173 235 147 144

2003 117 209 191 157 162

2002 103 156 239 129 158

2001 N.A. 58 158 117 103

2000 N.A. N.A. 373 41 77Average 109 149 239 118 129

CANS PROCESSED PER HOUR (1 gallon equivalents)

Tribulations and Solutions

• Bridging in hopper

Tribulations and Solutions

• Change in Staff

Tribulations and Solutions

• Tears to the Pump Diaphragm

Tribulations and Solutions

• Lid Seal Leaks

Tribulations and Solutions• Lid Seal Leaks

Tribulations and Solutions

• Finger Painting

Tribulations and Solutions

• Float Switch

Tribulations and Solutions

• Plate Warping

• Burp Valve

Tribulations and Solutions• Aerosol Processing

Costs

• Kruncher $140,000

• Ancillary Equipment & Installation $178,900

• Total Initial Investment $318,900

• Additional Costs $248,970

• Total Invested $567,940

Program SavingsLABOR AEROSOL TOTAL(4 FTEs) DISPOSAL YEAR

2004 $125,861 $26,090 $151,9522003 $125,861 $28,750 $154,6112002 $125,861 $21,398 $147,2592001 $125,861 $985 $126,8462000 $73,416 $0 $73,416

TOTAL (type) $576,860 $77,223 $654,083

YEAR

Summary

• Safety

• Cost Benefit

- $86,212

- Exposure

- Lifting

- Repetitive