40 CFR Part 112

Aboveground Storage Tank Regulations: Federal Requirements and State Overlays

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Aboveground oil storage tank with signs in dramatic lighting and fog.

Aboveground storage tank regulations operate on a federal baseline that most states layer with their own registration, inspection, and reporting requirements that can triple your compliance burden. Key Takeaways: Federal 40 CFR Part 112 establishes baseline AST requirements for facilities storing 1,320+ gallons of oil 26 states maintain additional AST programs requiring separate registration, fees, … Read more

SPCC Requirements by State: Where Federal Rules Are Just the Beginning

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Oil storage facility with dramatic lighting and fog, cinematic view.

SPCC requirements by state create a complex web of compliance obligations. Federal rules under 40 CFR Part 112 set the floor, not the ceiling, and 23 states have built mandatory overlay programs that can triple your compliance costs. Key Takeaways: 23 states operate SPCC overlay programs with stricter thresholds than the federal 1,320-gallon requirement California’s … Read more

SPCC for Fleet Maintenance Yards and Transportation Depots

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Fleet maintenance yard with petroleum storage tanks under dramatic lighting.

SPCC fleet maintenance yard operators hit compliance requirements faster than they expect. Multiple 500-gallon diesel tanks add up quickly, and the EPA doesn’t care if your fuel is mobile. Transportation depots face the same threshold calculations as fixed facilities. Key Takeaways: Fleet facilities trigger SPCC requirements at 1,320 gallons total, two 1,000-gallon diesel tanks push … Read more

SPCC for Farms: Self-Certification, Thresholds, and What Ag Operators Must Do

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Farm with oil tanks and equipment under dramatic lighting in fog.

SPCC for farms becomes mandatory when your operation stores 1,320+ gallons of oil. The 2014 farm amendment created a self-certification pathway most agricultural producers don’t know exists, avoiding costly Professional Engineer requirements for qualifying operations. Key Takeaways: Farm operations storing 1,320+ gallons qualify for streamlined self-certification under WRRDA 2014 amendments No-discharge history for 36 months … Read more

SPCC Requirements by Facility Type: Farms, Data Centers, Fleets, and More

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Oil storage tanks on a farm under dramatic lighting and fog.

SPCC requirements by facility type confuse thousands of facility managers who discover they’ve been out of compliance for years. Most facilities storing oil have no clue they fall under 40 CFR Part 112 until EPA shows up with a $25,000 fine. Key Takeaways: Farms storing 1,320+ gallons in above-ground tanks need full SPCC compliance, no … Read more