Diesel Tier II reporting threshold
Yes — once you hold 10,000 pounds or more of diesel at any one time during the year. That is roughly 1,408 gallons.
The number that counts is the most you had on site at one time, not the total you bought over the year, and not what is there today.
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- Extremely hazardous substance?
- No — the ordinary 10,000 pound limit applies.
- Why this one counts
- Not on the EPA list, but it needs a safety data sheet, so it counts. The tank on a standby generator counts too, even if it only runs during a monthly test. A retail gas station has a separate 100,000 gallon limit, but only if all of it was in underground tanks that met the underground tank rules all last year.
- Weight to volume
- 7.1 pounds per gallon. diesel fuel — 7.10 pounds a gallon
40 CFR 370.10 — 10,000 pounds · 40 CFR 370.45(a) — filed on or before 1 March each year
Your state may set a lower limit
7 of the states we have read set the threshold itself below the federal one: OR, CA, VT, LA, AK, DE, OH.
5 more are strict in a different way — NC, MO, NV, NJ, RI keep the federal numbers but add a separate filing or cover more chemicals. Those are not the same thing, and we do not call them the same thing.
Where we have not read a state’s own code, we say so rather than guess.
Every rule we apply, with its sourceFind out for your site
diesel is one chemical. The filing counts everything you keep, added up across every place you keep it. The checker works that out and shows the rule behind each number.
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