§ 178.354-4 - Closure.  


Latest version.
  • (a) The outer drum closure must be at least 16-gauge bolt-type locking ring having at least a 5/16-inch steel bolt for drum sizes not over 15 gallons, or a 12-gauge bolted ring with drop-forged lugs, one of which is threaded, and a 5/8-inch steel bolt for drum sizes over 15 gallons. Each bolt must be provided with a lock nut or equivalent device.

    (b) The closure device must have means for the attachment of a temperproof lock wire and seal, or equivalent.