1. Unit 4 Refillable Spray Bottles

2. Baseline: Disposable Aerosol Cans

3. Environmental Concerns Propellants are greenhouse gases  CO2, propane, butane Empty cans Partially-filled cans propellants cleaning products

4. P2 Alternative: Refillable Bottles Metal Bottles: pressurized with shop air Plastic Bottles: pressurized with hand pump

5. Making It Work

6. Purchasing Canister Capacity Canister Type  Steel, aluminum, plated  Must be compatible with solution Nozzle Type  Stream, spray, or adjustable  Extensions

7. Keep Small, Inexpensive Replacement Parts on Hand

8. Blow-Out Clogs

9. Use Clean, Water-Free, Compressed Air

10. Chemical “Tool Boxes” Show the contents of the bottle on the label

11. Use Funnels and Pumps to Minimize Spills When Refilling

12. Payback Threshold If you use 20 aerosol cans per month or more: Payback < 1 year and annual savings = $250 1) A shop uses 13-fluid oz. of aerosol cans at a cost of $2 per can 2)No disposal costs 3) 5 refillable spray bottles are purchased at $50 each 4) Bulk product costs $10 per gallon

13. Local Use Restrictions Some AQMD s & APCD s allow ONLY LOW VOC cleaners (less than 50 g/l) used in refillable spray bottles  For example: SCAQMD, Ventura Co., San Joaquin Valley SCAQMD list of suppliers - web page:  http://www.aqmd.gov/business/water.html Stainless steel bottles compatible with water based cleaners Use caution when selecting alternatives

14. Before Brake cleaning aerosol cans per year260 ($3.09 each) After Refillable Spray Bottles 10 (1-quart) Capital cost $400 Bulk product cost/gallon$14.00 Annual Savings: $1,654 Payback Period: 3 months Case Study 1: City of Sunnyvale

15. Case Study 2: Glenmoor Auto Repair Before Brake and carburetor cleaning and lubricant aerosol cans per year (avg.)516 total $3.96 each After Refillable Spray Bottles 6 (1-quart) 3 (10 oz) Capital cost $450 Bulk product cost/gallon $19.20 (average) Annual savings $1,460 Payback period 4 months

16. Case Study 3: Salem Boys Auto Before Brake and carburetor cleaning aerosol cans per year2,100 total $1.65 each (average) After Refillable Spray Bottles 30 (1-quart) Capital cost $0 (free bulk product purchase) Bulk product cost/gallon: $6.95 (average) Annual savings: $2,035 Payback period: Immediate

17. Take Home Messages Material use efficiency Bulk product is much cheaper Make filling easy and spill-free Check local use restrictions- AQMD & Fire Dept.