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. Author manuscript; available in PMC: 2021 Nov 3.
Published in final edited form as: Regul Toxicol Pharmacol. 2019 Sep 21;109:104480. doi: 10.1016/j.yrtph.2019.104480

Table 1.

The number of chemicals and lowest observed adverse effect level (LOAEL) values based on endpoint categories in ToxRefDB v2.0.

# of chemicals with at least these many LOAEL values
Endpoint category # of LOAELS # of chemicals 2 3 mean(# LOAEL values)
Cholinesterase inhibition 162 85 18 8 1.9
Developmental effects 1754 488 195 151 3.6
Reproductive effects 1129 452 140 79 2.5
Systemic effects 24501 1041 963 937 24