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Department of Emergency Services Hazardous Chemical List

Department of Emergency Services Hazardous Chemical List

Reporting requirements under the community right-to-know provisions, section 311 and 312 or EPCRA are on-going obligations. Sections 311 and 312 of EPCRA apply to owners and operators of facilities that are required to prepare or have available a material safety data sheet (MSDS) for a hazardous chemical defined under the OSHA Hazard Communication Standard. Under section312 of EPCRA, if a hazardous chemical is present at or above the reporting threshold specified in 40 CFR part 370, the facility owner/operator is required to submit an emergency and hazardous chemical inventory form to the SERC< LEPC, and local fire department annually by March 1.

The reporting thresholds under Section 312 are:

  • For extremely hazardous substances: 500 lbs. or the threshold planning quantity (TPQ), whichever is less and
  • For all other hazardous chemicals: 10,000 lbs. of an OSHA hazardous chemical that is present at a facility, the below conversion table will help.




Ammonia 7664-41-7 



Chorine 7782-50-5 

Diesel Fuel - at service stations

Diesel Fuel - not service stations


Gasoline - at service stations

Gasoline - not service station

Grain Dust


Sulfuric Acid 7664-93-9 (Battery Acid)


Threshold Planning Quantity (TPQ)

10,000 lbs.

500 lbs.

10,000 lbs.

10,000 lbs.

100 lbs.

100,000 gallons

10,000 lbs. / 1,388 gallons

10 lbs. solids in power form or 10,000 lbs. other forms

75,000 gallons

10,000 lbs. / 1,617 gallons

10,000 lbs.

10,000 lbs.


10,000 lbs.