A permit is required to store, handle or use hazardous materials in a laboratory unit in quantities exceeding 1 gallon (3.8 L) of flammable liquid, 1 gallon (3.8 L) of combustible liquid or 75 SCF (2.12 m3) of flammable gas. Non-production laboratory operations requiring a permit must be under the personal supervision of a certificate of fitness holder.
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