StacksVerified U.S. regulatory reference

30 CFR §57.4104

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)Waste materials, including liquids, shall not accumulate in quantities that could create a fire hazard.
  2. (b)Waste or rags containing flammable or combustible liquids that could create a fire hazard shall be placed in the following containers until disposed of properly:
    1. (1)Underground—covered metal containers.
    2. (2)On the surface—covered metal containers or equivalent containers with flame containment characteristics.