If
you use, handle or store hazardous materials in quantities equal to
or greater than the following threshold quantities:
55 gallons of a liquid
500 pounds of a solid
200 cubic feet of a gas
AND/OR:
Extremely Hazardous Substances (EHS)– Federal and State laws now
mandate special reporting of chemicals found on the EHS list
maintained by the US EPA. You must report any of these chemicals if
the amounts on hand at any given time exceed the “Threshold Planning
Quantity” (TPQ) on the list, or if they exceed the general
quantities listed above (55 gallons/500 pounds/200 cubic feet),
whichever is less.
EXAMPLE: Chlorine gas is on the EHS
list, with a TPQ of 100 pounds. You have up to 150 pounds stored
on-site at any given time (a standard chlorine cylinder is 150
pounds). Even though you handle less than the 500-pound general
quantity, you must still disclose because chlorine gas is a listed
chemical.
