Hazardous Materials Management and Regulatory Compliance
Four statutes, one waste stream
Almost every compliance question reduces to identifying which statute governs which step. RCRA Subtitle C covers hazardous waste cradle to grave: identification (40 CFR 261), generator standards (262), transporter standards (263), and TSDF permits (264/265). CERCLA and SARA govern release reporting, the National Contingency Plan, and cleanup liability; EPCRA adds community right-to-know through the SERC and LEPC system plus Tier II inventory reports. The DOT HMR (49 CFR 171–180) control packaging, marking, labeling, placarding, shipping papers, and recurrent training every three years. OSHA covers the worker inside the fence line.
Generator status
Status is set by the highest generating month in the past year, with acute hazardous waste counted separately. Non-acute: VSQG under 100 kg/month, SQG 100–1,000 kg/month, LQG above 1,000 kg/month. Acute waste shifts the thresholds down by roughly a factor of 100 - the cutoff is 1 kg/month, not 100 kg. Acute waste at or above 1 kg/month makes the site an LQG regardless of total mass. Accumulation limits follow from status: LQG 90 days, SQG 180 days (270 when the receiving facility is over 200 miles away), VSQG 6,000 kg onsite with no time limit.
Traps worth memorizing
- P-listed (acute) versus U-listed (non-acute) commercial chemical products.
- CERCLA's default reportable quantity is 1 pound; EPCRA planning thresholds are 500 lb for extremely hazardous substances and 10,000 lb for other hazardous chemicals.
- State programs are frequently stricter than the federal rule and govern in practice.
Worked example. A plant generates 800 kg/month of spent solvent and 2 kg/month of a P-listed waste. The solvent alone would make it an SQG, but the P-listed stream exceeds 1 kg/month, so the facility is an LQG with a 90-day accumulation limit.