It is unlawful to operate a laboratory or storage room in which flammable liquids, flammable solids, flammable gases, oxidizing materials, explosive materials, unstable or reactive chemicals are used in testing, research, experimental or instructional work, without a permit from the FDNY Fire Commissioner.

If your lab or storage area contains chemicals in quantities that meet or exceed one or more of the following criteria, you must have a permit for that area:

  • 128 ounces (1 gallon) or greater of a flammable liquid
  • 1 pound or greater of a flammable solid
  • 75 SCF flammable gas
  • 10 pounds or greater of a Class 3 Oxidizer (ex. nitric acid, fuming)
  • 15 gallons or greater of an acid

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