Consists of chemical substances detected in 2017-2019 for which annual utility averages had been reduced than an EWG-picked health and fitness guideline set up by a federal or state public overall health authority; chemicals detected under the EPA's Unregulated Contaminant Checking Rule (UCMR three) application in 2013 to 2015 (and https://airqualitycomplianceinirv16059.blog-mall.com/28641103/the-smart-trick-of-local-air-quality-in-irvine-that-no-one-is-discussing