Information for Facilities that are Required to Report
Is your facility required to submit a Tier II report?
If you are not sure, the following information will help assist you in making that determination.
The minimum requirement for reporting Hazardous Material inventory is:
- Extremely Hazardous Substance (EHS) = 500 pounds or the threshold planning quantity (TPQ), whichever is less. The amount of an EHS at a facility (both pure and in mixtures) must be aggregated for purposes of threshold determination. Include the EHS in a mixture if it makes up at least 1% of the mixture, or 0.1% if the EHS is a carcinogen. EHSs and their TPQs are listed in Appendix A;
- 10,000 pounds or more of a hazardous chemical or a quantity necessary referenced by the Threshold Planning Quantity of the chemical through the EPA "List of Lists";
- Gasoline (all grades combined) at retail gas stations if all gasoline is stored in compliant underground storage tanks (UST) = 75,000 gallons. The term gasoline includes gasohol which is composed of at least 90% gasoline and up to 10% ethanol;
Where to Submit Your Report:
1. MERC
Missouri Emergency Response Commission
P.O. Box 3133
Jefferson City, MO 65102
Missouri Emergency Response Commission
P.O. Box 3133
Jefferson City, MO 65102
Missouri Emergency Response Commission
PO Box 3133
Jefferson City, MO 65102
or online at https://hazmat.dps.mo.gov/
2. St. Louis County LEPC
The LEPC does not accept electronic submissions, please print
your Tier II and send to the LEPC at the following address:
St. Louis County LEPC
14847 Ladue Bluffs Crossing Drive
Chesterfield, MO 63017
3. Your local Fire Department/District
-
Diesel fuel (all grades combined) at retail gas stations if all diesel fuel is stored in compliant
underground storage tanks = 100,000 gallons.*