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PCBs in Washington State Products: Printing Inks, 2021

Publication number Date Published
22-03-001July 2022
VIEW NOW PCBs in Washington State Products: Printing Inks, 2021 (Number of pages: 14) (Publication Size: 343KB)

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Author(s) Trumbull, K.
Description In 2020, the Washington State Department of Ecology’s (Ecology’s) Safer Products for Washington program [Revised Code of Washington (RCW) 70.365] identified consumer products that are significant sources and uses of five priority chemical classes. For the priority chemical class of PCBs, printing inks was one of the chemical-product combinations identified.

In 2021, Ecology’s Product Testing program conducted a study to assess the levels of PCBs in some products of the printing inks category. This study was conducted to support the Safer Products for Washington program in the next phase of its implementation process: to determine whether regulatory actions are needed for priority chemical-product combinations, including PCBs in printing inks.

Ecology acquired printing ink products from five different companies. Printing inks consisted of a black, cyan (blue), magenta (red), and yellow ink from a product line at each company. Ecology sent 20 printing ink samples to an analytical laboratory for the analysis of 209 PCB congeners. The lab could not perform reliable quantification of PCB congeners for two of the 20 printing ink samples.

Total PCB (tPCB) concentrations were calculated for 18 printing ink samples. tPCBs ranged from 0.00959 J, as an estimate, to 40,200 ppb, with one non-detected tPCBs result. For the 17 printing ink samples with detected levels of tPCBs, four had tPCBs below 1 ppb, four ranged from 1 to 100 ppb tPCBs, eight ranged from 100 to 1,000 ppb tPCBs, and one was above 1,000 ppb tPCBs.
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Keywords consumer products, printing inks, product testing, toxic chemicals, PCBs, Safer Products
WEB PAGE Testing for chemicals in consumer products

Quality Assurance Project Plan: PCBs in Washington State Products