Moreover, many of the VOCs pinpointed by the CHEJ study had been noted in the previous EPA-led examinations of PVC materials. These found that levels of phenol, toluene, ethylbenzene and methyl isobutyl – the focal VOCs of the 2002 study – had all lingered for a month. In fact, they were four of the five most prevalent compounds counted by the CHEJ researchers.
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