A facility that generates 1,000 kilograms or more of non-acute hazardous waste in any single calendar month is a Large Quantity Generator under the Resource Conservation and Recovery Act, and the Large Quantity Generator requirements that follow are the most demanding tier in the federal hazardous waste system: a 90-day on-site accumulation limit, labeled and inspected storage, a written contingency plan, trained personnel, manifested shipments with land disposal restriction notices, a Biennial Report every even-numbered year, and clean-closure duties when a unit shuts down. Civil penalties now run up to $93,058 per violation per day, and each day a problem continues counts as a separate offense.1Federal Register. Civil Monetary Penalty Inflation Adjustment
What Makes a Facility an LQG
Generator status is set month by month based on how much hazardous waste you actually produce, and it can shift as output rises or falls.2eCFR. 40 CFR 262.13 – Generator Category Determination Any one of three triggers puts you in LQG territory for that month:
- 1,000 kilograms or more of non-acute hazardous waste in a calendar month, roughly five full 55-gallon drums of liquid.
- More than 1 kilogram of acute hazardous waste from the EPA’s P-list or certain F-list codes.
- More than 100 kilograms of residue, contaminated soil, or debris from cleaning up an acute hazardous waste spill.
Hit any single trigger and you are an LQG that month, no matter how little you generated in the other two categories. A plant that normally produces 800 kilograms per month but reaches 1,050 after a production surge is an LQG for that month and has to comply with every LQG requirement during that period. Falling below the threshold the next month does not erase what applied while you were over it.
The 90-Day On-Site Accumulation Limit
LQGs can accumulate hazardous waste on-site without a full treatment, storage, or disposal permit, but only under a specific set of conditions. The central rule is a 90-day clock: waste cannot remain on-site for more than 90 days from the date accumulation begins before it must ship to a permitted facility.3eCFR. 40 CFR 262.17 – Conditions for Exemption for a Large Quantity Generator That Accumulates Hazardous Waste Miss that deadline and your accumulation area becomes an unpermitted storage facility.
Container Labeling
Every container of hazardous waste needs three markings: the words “Hazardous Waste,” an indication of the specific hazards such as ignitable, corrosive, or toxic, and the date accumulation began in that container.3eCFR. 40 CFR 262.17 – Conditions for Exemption for a Large Quantity Generator That Accumulates Hazardous Waste The start date is how inspectors verify you are inside the 90-day window. Tanks follow the same logic, but the rules allow inventory logs or monitoring equipment to substitute for physical date markings as long as the records show waste leaves the tank within 90 days. Containers must stay closed except when waste is being added or removed.
Satellite Accumulation Areas
A satellite accumulation area lets you keep up to 55 gallons of non-acute hazardous waste, or 1 quart of liquid acute hazardous waste, right at the point of generation without starting the 90-day clock.4eCFR. 40 CFR 262.15 – Satellite Accumulation Area Regulations for Small and Large Quantity Generators The area has to stay under the control of the operator whose process produces the waste. Once a satellite container hits the 55-gallon limit, you have three days to mark it with the date the excess began and move it to a central accumulation area or ship it off-site. Inspectors treat the three-day window as a bright line.
Weekly Inspections
At least once a week, someone at the facility has to walk every area where hazardous waste containers are stored, checking for leaks, corrosion, bulging, or other deterioration.5eCFR. 40 CFR 265.174 – Inspections Document each inspection with the date, the inspector’s name, and any problems found along with the corrective actions taken. A missed week is easy to spot in the record.
Air Emissions from Volatile Wastes
If your accumulated waste contains volatile organic compounds, Subpart CC air emission standards may apply. The trigger is an average volatile organic concentration of 500 parts per million by weight or higher in waste entering a tank or container.6eCFR. 40 CFR Part 265 Subpart CC – Air Emission Standards for Tanks, Surface Impoundments, and Containers Below that concentration, the unit is exempt. The level of controls depends on tank capacity, the vapor pressure of the organic constituents, and whether the waste is being heated or stabilized. Facilities handling spent solvents or degreasing waste commonly trip this.
Contingency Plan and Personnel Training
LQGs must maintain a written contingency plan describing exactly what employees do during a fire, explosion, or unplanned release. The plan has to contain specific, actionable elements:7eCFR. 40 CFR 262.261 – Content of Contingency Plan
- An emergency coordinator list with names and 24-hour numbers, a primary coordinator identified, and alternates in succession order.
- An inventory of emergency equipment on-site — location, physical description, and capabilities of fire suppression, spill containment, alarms, and decontamination supplies.
- Documented coordination agreements with local police, fire, hospitals, and emergency response contractors.
- An evacuation plan with signals, primary and alternate routes, and procedures for blocked routes.
If the facility already has a Spill Prevention, Control, and Countermeasures plan or another emergency plan, it can amend that document rather than build a standalone contingency plan from scratch.
Quick Reference Guide
Beyond the full plan, LQGs prepare and submit a condensed quick reference guide to local emergency responders or the Local Emergency Planning Committee. Eight items are required: the types of hazardous waste on-site in plain language, estimated maximum quantities, any wastes needing special medical treatment after exposure, a facility map showing waste locations and access routes, a street map showing the facility in relation to nearby schools and neighborhoods, water supply locations and flow rates, on-site alarm or notification systems, and emergency coordinator contact information.8eCFR. 40 CFR 262.262 – Copies of Contingency Plan Resubmit the guide whenever the plan changes.
Employee Training
Every employee who handles hazardous waste or works in an area where it is present must complete training within six months of starting the job or being assigned to that role.9eCFR. 40 CFR 265.16 – Personnel Training Classroom or on-the-job training is acceptable, but it has to cover emergency procedures, use of emergency equipment, communication and alarm systems, and response to fires, explosions, and groundwater contamination. An annual refresher follows. Keep the training records — inspectors ask for them early.
Manifests, LDR Notices, and Waste Minimization
You need an EPA Identification Number before you can legally ship anything. Get one by submitting the Site ID Form (EPA Form 8700-12) to your authorized state agency or EPA regional office.10U.S. Environmental Protection Agency. Instructions and Form for Hazardous Waste Generators, Transporters and Treatment, Storage and Disposal Facilities to Obtain an EPA Identification Number That number follows the facility through every manifest, report, and enforcement action.
Every off-site shipment travels with a Uniform Hazardous Waste Manifest (EPA Form 8700-22) recording waste codes, quantities, the generator, the transporter, and the designated receiving facility. When the receiver accepts the waste, it signs the manifest and returns a copy. If you have not received the signed copy within 60 days, file an Exception Report.11eCFR. 40 CFR 262.42 – Exception Reporting As of December 2025, LQGs submit Exception Reports electronically through EPA’s e-Manifest system rather than by mail.
Signing a manifest also means signing Item 15, the waste minimization certification. By signing, you certify that you have a program to reduce the volume and toxicity of your waste to the degree economically practicable, and that you have chosen the treatment or disposal method that best minimizes threats to health and the environment.12eCFR. 40 CFR 262.27 – Waste Minimization Certification Sign it without an actual program in place and you have signed a false certification on a federal document.
Before shipping restricted waste to a treatment or disposal facility for the first time, send a one-time written Land Disposal Restriction notice. It identifies the EPA hazardous waste numbers, states whether the waste meets treatment standards or needs further treatment, specifies wastewater or nonwastewater category, and includes any available waste analysis data.13eCFR. 40 CFR 268.7 – Testing, Tracking, and Recordkeeping Requirements for Generators, Treaters, and Disposal Facilities If you are not sure whether your waste meets the treatment standards, the notice can pass that determination to the receiving facility, but the notice still has to go.
Reporting and Recordkeeping
The Biennial Report (EPA Form 8700-13 A/B) is due by March 1 of every even-numbered year and covers the prior calendar year’s hazardous waste activity.14U.S. Environmental Protection Agency. Biennial Hazardous Waste Report It captures total volumes generated, waste codes, treatment methods, and the facilities that received your waste. Submission goes through EPA’s RCRAInfo system to either the state agency or the EPA regional office.15U.S. Environmental Protection Agency. RCRAInfo – Introduction The March 1 deadline is firm and it is the reporting obligation generators miss most often.
File an updated Notification of RCRA Subtitle C Site Identification Activity on Form 8700-12 whenever your site information changes — a new waste stream, a shift in generator status, an updated contact. Signed manifests, Biennial Reports, Exception Reports, and waste analysis records all have to be kept at least three years.16eCFR. 40 CFR Part 262 Subpart D – Recordkeeping and Reporting Applicable to Small and Large Quantity Generators That period extends automatically during any unresolved enforcement action or when EPA asks for it.
Closing a Unit or the Facility
When you shut down a waste accumulation unit or the whole site, a closure process kicks in. For a single unit while the rest of the facility keeps running, you have two options: place a notice in the operating record within 30 days identifying the unit’s location, or perform a full clean closure and notify EPA. For closing the entire facility, notify EPA using Form 8700-12 at least 30 days before closure begins, then again within 90 days after closure to confirm you met the clean-closure performance standards.
Clean closure means removing or decontaminating all hazardous waste residues, contaminated equipment and structures, and affected soil from the unit. Any hazardous waste generated during the closure itself is managed under full RCRA standards and shipped off-site within 90 days. If you cannot achieve clean closure, say because soil contamination is too deep to practicably remove, the unit is reclassified as a landfill and the facility becomes subject to landfill closure and post-closure care requirements. That reclassification dramatically increases long-term cost and regulatory burden, so thorough decontamination pays off.
Penalties for Noncompliance
RCRA civil penalties can reach $93,058 per violation per day under the latest inflation adjustment.1Federal Register. Civil Monetary Penalty Inflation Adjustment Each day a violation continues is a separate offense, so a container storage area that sits unlabeled for two weeks can generate exposure well into seven figures. Knowing violations carry criminal penalties as well: fines of up to $50,000 per day and imprisonment of up to two years for most offenses, or up to five years for transporting waste to an unpermitted facility or for treating, storing, or disposing of waste without a permit.17Office of the Law Revision Counsel. 42 USC 6928 – Federal Enforcement A second conviction doubles both the fine and the prison term. Inspectors often find overlapping violations in a single visit — an unlabeled container, a missed weekly inspection, an overdue Biennial Report, an expired training record — each with its own daily penalty running in parallel.