Presentations from the CHAS 40th Anniversary Symposium at the 2019 Fall ACS National Meeting are provided below. The presentations were:

PubChem LCSS.
J. Zhang, P. Thiessen, A. Gindulyte, E. Bolton, L.R. McEwen, R. Stuart

Evolution of “safety” within the ACS world.
R. Stuart, R. Hill

40 years as an environment, health and safety professional. M.B. Koza

CHAS at 40: Twenty years of editor’s insight on professional safety communication. H.J. Elston

From YCC to SCC: Fun times in the Division of Chemical Health and Safety. D.M. Decker