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chrome -- Approval of Three non-PFOS based Chrome Plating Chemical Fume Suppressants
Posted: 20 Apr 2016 10:21:10
On April 7, 2016, the California Air Resources Board (ARB) approved three non-perfluorooctane sulfonic acid (PFOS) based chemical fume suppressants for use in specific chrome plate operations (two products for decorative operations and chromic acid anodizing, and one product for hard chrome plating). These products, as well as their corresponding surface tension requirements, have been added to the list of already approved fume suppressants. Facilities subject to California’s Hexavalent Chromium Airborne Toxic Control Measure for Chrome Plating and Chromic Acid Anodizing Operations (Chrome ATCM) can start using non-PFOS products in their operations. However, as required by the United States Environmental Protection Agency National Emission Standards for Hazardous Air Pollutants – Hard and Decorative Chromium Electroplating and Chromium Anodizing Tanks (40 C.F.R. Part 63, Subpart N (commencing with § 63.340), 77 Federal Reg. 58219 (September 19, 2012)) (Chrome NESHAP), and ARB’s one-year extension for using non-PFOS fume suppressants for California facilities, chemical fume suppressants containing PFOS cannot be used after September 21, 2016. Additional testing of non-PFOS chemical fume suppressants is underway and products will be added to the list as they become approved. Information on the Chrome ATCM and additional information on fume suppressants can be found on our website at http://www.arb.ca.gov/toxics/chrome/chrome.htm. The list of approved fume suppressants can be found here: http://www.arb.ca.gov/toxics/chrome/fumesuppresslist0416.pdf If you have questions regarding chrome plating operations outside of the South Coast Air Quality Management District (SCAQMD), please contact Ms. Michelle Komlenic, Air Pollution Specialist (916) 322-3926 or via email at michelle.komlenic@arb.ca.gov. Facilities located in SCAQMD should contact Amir Dejbakhsh, Senior Air Quality Engineering Manager (909) 396-2618 or via email at adejbakhsh@aqmd.gov. Background: Chrome plating facilities are subject to the Chrome ATCM. Facilities located in the SCAQMD are subject to Rule 1469. Many of California’s facilities are required to use a certified fume suppressant to meet hexavalent chrome emission limits. California maintains a list of approved fume suppressants which have undergone testing to meet hexavalent chromium emission standards. The Chrome NESHAP sets a ban on the use of PFOS in fume suppressants, effective September 21, 2015. As of this date, only fume suppressants containing PFOS had been approved in California; therefore, in September 2015 California facilities were granted a one-year extension to continue to use PFOS-based fume suppressants. The extension will expire on September 21, 2016. California is in a drought emergency. Visit www.SaveOurH2O.org for water conservation tips.