Reference Source

Ammonia (conc 20% or greater)

For Ammonia (conc 20% or greater), cas no. is 7664-41-7; epa rmp tq (lbs) is 20,000; rmp category is toxic; rmp basis for listing is a, b, recorded from its source on 2026-08-15.

Substance
Ammonia (conc 20% or greater) verified
CAS No.
7664-41-7 verified
EPA RMP TQ (lbs)
20,000 verified
RMP category
toxic our reading
RMP basis for listing
a, b verified
Sourceecfr.gov
Verified
Review by
DatasetOSHA PSM vs EPA RMP: chemical threshold quantities side by side

Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.

What the source says

Ammonia (conc 20% or greater) | 7664-41-7 | 20,000 | a, b

ecfr.gov, retrieved 2026-08-15

Source

Last verified against source: . Due for re-check by . This page as Markdown · OKF bundle · full dataset as JSON.