❌ False. Major disasters often spawn conspiracy theories. The Ohio train derailment was no exception.
. Nor did we find an instance wherein an exposure level deemed lethal at 100 ppm in 2006 was raised to 100,000 ppm in 2023. In fact, the only statement along these lines we did encounter appeared in both versions in almost identical form:Brief exposures to concentrations of vinyl chloride ranging from 100,000 to 400,000 ppm have been, and rabbits . At these concentrations,5 days, in a dominant lethal study showed an increased mortality rate . Andevelopmental toxicity study .
ATSDR developed the initial vinyl chloride Tox Profile in 1989 and produced updates in 1993, 1997, 2006, and 2023 based on the latest information published in the scientific literature.
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