[Calvin Locke]

In the 1980s, a couple of lunch-time swimming coworkers gave me the remnants of their anti-chlorine shampoos because of the formaldehyde in formulation.

I think I made a comment as to why they were chucking the bottles, and they said "You want to take a chance with cancer? Here..."

[ETL]

In the 1980s, a couple of lunch-time swimming coworkers...

If you don't mind, what sort of work did you do? Were you a lifeguard, work near a beach, or did they have a swimming pool at the facilities?