Q. Is there a threshold for placarding a trailer shipping compressed acetylene gas cylinders? I was told that if the cylinder and gas met or exceeded 1,000 pounds the trailer or vehicle transporting the cylinders would require placarding.
Confused? It’s not surprising considering that the U.S. Department of Transportation (DOT) has revised its hazardous material regulations (HMRs) for shipping lithium cells and batteries several times over the past 2 years. The DOT has added Proper Shipping Names and Identification Numbers to the Hazardous Materials Table (HMT) and revised packaging, including labeling, requirements for […]
We ship empty methyl-ethyl ketone (MEK) containers by truck back to the supplier for refill. Must we classify them as Hazardous Material since the empty containers have only residual amount of MEK left in them, or is there an empty container exemption?