… after 17 years, the CDC just happens to update the toxicological profile for Vinyl Chloride mere weeks before the Ohio train derailment?

Citation needed.
Before (archived):https://web.archive.org/web/20221021211734/https://atsdr.cdc.gov/toxprofiles/tp20.pdf
Now (see page 6 for version history):https://www.atsdr.cdc.gov/toxprofiles/tp20.pdf
Surprise surprise, in the new version they said its less deadly. They changed the DEATH ppm limit from 100 to >100 000.[/i]
Story just broke on the chans:https://boards.4chan.org/pol/thread/416338885

Citation needed.
Before (archived):https://web.archive.org/web/20221021211734/https://atsdr.cdc.gov/toxprofiles/tp20.pdf
Now (see page 6 for version history):https://www.atsdr.cdc.gov/toxprofiles/tp20.pdf
Surprise surprise, in the new version they said its less deadly. They changed the DEATH ppm limit from 100 to >100 000.[/i]
Story just broke on the chans:https://boards.4chan.org/pol/thread/416338885