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Reducing Air Pollution from Paint and Coating Manufacturing

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Reducing Air Pollution from Paint and Coating Manufacturing 9/12/2005 OWNER/OPERATOR INFORMATION SHEET Reducing Air Pollution from: Paint and Coating Manufacturing Why should my paint and coating particle pollution (dust), which can manufacturing operation reduce air contain heavy metals and other toxic pollution? air pollutants. While federal, state, Could your family People who are exposed to toxic air local, and Tribal regulations limit the be affected? pollutants at sufficient concentrations, amount of emissions from paint and for sufficient durations, may increase coating manufacturing operations, their chances of getting cancer or dangerous releases of toxic air One manufacturer experiencing other serious health effects, pollutants can occur if a paint and successfully replaced such as reproductive problems, birth coating manufacturing operation is defects, and aggravated asthma. not in compliance with regulations. lead pigments used for Pollution prevention safeguards the corrosion resistance with health of your employees, customers, How can I reduce air pollution from yttrium, which is 100 and families by using materials, my paint and coating times safer as a dust processes, or practices that can reduce or manufacturing operation? than lead at typical eliminate air pollution at the source. levels of use. Use of Pollution prevention practices also Change Products yttrium in the coating save money on waste disposal, materials • Eliminate the use of heavy metals also eliminates the need usage, and the cost of air pollution such as chromium, lead and mercury for a chrome controls. in coating mixtures. Non-hazardous pretreatment in the You may already be regulated by biocides are available to replace finishing process. Use of federal, state, local, and Tribal agencies mercury-containing coatings and may already voluntarily implement the yttrium coating designed to kill bacteria. pollution prevention practices. However, • Reformulate coatings to higher solid should eliminate up increasing pollution prevention efforts coatings, waterborne coatings, to 1 million pounds of can further minimize impacts on human powder coatings, or ultraviolet (UV) lead in this coating health and the environment. light-cured coatings. application over the next several years. Why should I be concerned about air Lower Emissions at the Source — PPG Industries pollution from paint and coating • Cover tanks during blending, mixing, manufacturing operations? and while waiting to transfer the • Paint and coating manufacturing paint or coating into packaging. operations can produce hazardous air • Cover tanks to reduce leakage of pollutants, including heavy metals. vapors. • Mixing and cleaning operations can • Cover all materials securely to reduce release some toxic air pollutants and the chance of spills when transferring volatile organic compounds (VOC). materials. Chemicals in these substances can Change Cleaning Procedures react in the air to form ground-level • Mandate a “clean as you go” policy ozone (smog), which has been linked to reduce the amount of solvent to a number of respiratory effects. needed for removing heavy build-up. • Pigment grinding and milling emit One manufacturer recycles and reuses 95% of the solvent used in the cleanup process, which reduces emissions and the amount of solvent purchased. — Pollution Solutions 9/12/2005 OWNER/OPERATOR INFORMATION SHEET Paint and Coating Manufacturing • Where tanks can be cleaned manually, use a wiper or formulations. squeegee rather than solvents. Provide workshops and/or information about the • Use a high pressure spray hose to clean tanks. This advantages and disadvantages of reformulated paints reduces the amount of solvent needed. and coatings. Emphasize reductions in toxic air • Reuse cleaning solution or solvent. For example, use pollutant emissions, safety hazards, and the use of dirty solvent for initial cleaning. Then follow with potentially toxic solvents. clean solvent. At your operation, institute management • Use cleaners with low toxic air pollutant and VOC procedures and goals that require an evaluation of content, such as water-based cleaners. pollution prevention techniques before any products • Dedicate equipment to a single product, or family of are formulated or re-formulated. Communicate to products that are similarly colored, to reduce the suppliers your commitment to your pollution need for equipment cleaning between batches. prevention procedures and goals. Also, sponsor or participate in a paint exchange Recycle and Reformulate Materials program where customers can return paints to be • Reuse dust captured by a baghouse during pigment reworked into other paints. grinding. • Set up, or participate in, a paint exchange program What else can I do to reduce air pollution? Your community may already have groups where customers return unused paint that can be working for cleaner air. Your expertise and reworked into future products. knowledge can be very helpful to these groups. • Rework or blend off-specification materials into new Many pollution prevention offices offer free on- products. site assessments for interested businesses. A list of these small business assistance programs can be found Reduce or Eliminate Toxic Emissions at www.epa.gov/smallbusiness. This site provides • Reduce emissions of particle pollution by using a information about assistance and technical help, baghouse to collect dust. environmental experts, environmental regulations and • Use pigments in a slurry or paste instead of in dry laws, funding, and cost-saving opportunities. form, to minimize dust. Refer your customers to Web sites for the Solvent • Grind or mix raw ingredients with sandmills instead Alternatives Guide (www.sage.rti.org) and The of ballmills. Sandmills are more efficient and require Coatings Guide™ (www.cage.rti.org) where they can less solvent for cleanup. increase their understanding of reformulated paints and coatings. Stay involved with trade associations Upgrading equipment and reformulating paint may and keep up to date with industry developments be better, but how expensive is it? through industry-related Web sites. Though reformulating coatings or using new or Also, sponsor employee awards for good ideas, different processes may be more expensive, raw material great efforts, and dedication to pollution prevention. costs may decrease. Also, these coatings reduce the For example, you could provide a cash award for amount of toxic air pollutants emitted at your operation workers who implement a work practice that reduces as well as operations using the coatings. both costs and pollution. If you decide to upgrade the equipment in your operation, check with your state, local, or Tribal pollution prevention office for funding possibilities. How can I inform my customers about reformulated paints? Users of reformulated paints and coatings may not have used these types of paints before and may require training to inform them that these paints and coatings will have the same functionality as conventional 2 9/12/2005 OWNER/OPERATOR INFORMATION SHEET Paint and Coating Manufacturing Resources • National Paint and Coatings Association: www.paint.org, (202) 462-6272 • EPA Air Toxics Web Site: www.epa.gov/ttn/atw/ • EPA’s Sector Strategies Partnership Program for the Paint and Coatings Sector: Could your family www.epa.gov/sectors/paintcoatings/index.html, (202) 566-2958 be affected? • Community-Based Projects: www.epa.gov/air/toxicair/community.html One paint manufacturer • Resource Center: www.paintcenter.org recycles and reuses 95% of the solvent used in the • Topic hub: www.pprc.org/hubs/toc.cfm?hub=28&subsec=7&nav=7 cleanup process. The company estimated that it • Assessment and guidance: www.ecy.wa.gov/pubs/98410.pdf generates $9,600 annually in savings from • Good operating practices: dep.state.ct.us/wst/p2/industry/optindex.htm reductions in waste generation and solvent • Special Chem: www.paintandcoatings.com consumption. National Emission Standards for Hazardous Air Pollutants —The Carbohydrate Economy • Miscellaneous Coating Manufacturing: www.epa.gov/ttn/atw/mcm/mcmpg.html Clearinghouse • Miscellaneous Organic Chemical Manufacturing and Miscellaneous Coating Manufacturing: www.epa.gov/ttn/atw/mon/monpg.html Alternatives • Solvent Alternative Guide: www.sage.rti.org • The Coatings Guide: www.cage.rti.org • The Carbohydrate Economy: www.carbohydrateeconomy.org/library/admin/uploadedfiles/Biochemical_Substituti ons_in_the_Paint_Industr.html Toxicity of Materials • Materials suppliers • Integrated Risk Information System (IRIS): www.epa.gov/iris • Air Toxics Health Effects Notebooks: www.epa.gov/ttn/atw/hapindex.html EPA’s Sector Strategies Program works within the paint and coating manufacturing sector to assess opportunities for improving environmental performance while reducing regulatory burden. — U.S. EPA 3 .
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