HR: Good response, pays to not take a chance, if just for the peace of mind....
FWIW
Sully may not be off the mark, 1 cup of bleach at 6% solution is less than a 1/2 ounce of Chlorine in 90 gallons of fuel. (11,520 ounces)
It certainly isn't super chlorinated.... I'd look to the water separator. And the nice part is we don't have to prove it,-- opinions you know!!! Everybody's got one..