Who is required to submit a Section 312 Tier I Form?

The requirements of Section 312 (40 CFR Part 370) apply to the owner or operator of any facility that is required to prepare or have available a material safety data sheet for a hazardous chemical under the OSHA Hazard Communication Standard. Reporting thresholds have been established under this Section below which a facility does not need to report. These thresholds are:

• Extremely Hazardous Substances: 500 lbs or the threshold planning quantity, whichever is lower

• Hazardous chemicals which are not extremely hazardous substances: 10,000 lbs

• Gasoline (all grades combined) that was in tanks entirely underground at a retail gas station that was in compliance at all times during the preceding calendar year with all applicable Underground Storage Tank (UST) requirements: 75,000 gallons

• Diesel fuel (all grades combined) that was in tanks entirely underground at a retail gas station that was in compliance at all times during the preceding calendar year with all applicable UST requirements: 100,000 gallons