Hazardous Waste Manifest: A Lab Guide

Any lab that ships hazardous waste off-site for treatment, storage, or disposal has to generate, complete, and track a hazardous waste manifest for that shipment. Getting the form wrong — a missing signature, a mismatched EPA ID number, a waste code that doesn’t match what’s actually in the drum — is one of the most common findings in a state hazardous waste inspection, and it’s entirely avoidable once you understand what the form actually requires. This guide covers what a hazardous waste manifest is, when one is required, what has to be on it, who has to sign it, how the EPA’s electronic manifest (e-Manifest) system works, and what happens when a signed copy doesn’t come back.

What Is a Hazardous Waste Manifest?

A hazardous waste manifest is the shipping document, and legal chain-of-custody record, that accompanies hazardous waste from the point it leaves a generator’s site to the point it’s received at a permitted treatment, storage, or disposal facility (TSDF). The standardized federal version is EPA Form 8700-22 (with a continuation sheet, Form 8700-22A, for shipments with more than a handful of waste line items) — commonly called the Uniform Hazardous Waste Manifest because the same form and numbering scheme is used nationwide, under both EPA and U.S. Department of Transportation (DOT) authority.

The manifest exists to answer one question at every point in the chain: does the waste that left the generator match the waste that arrived at the disposal facility? Every party who takes custody of the waste — the generator, each transporter, and the receiving facility — signs the same manifest, certifying what they received and what condition it was in. That “cradle to grave” tracking is the core mechanism behind the Resource Conservation and Recovery Act (RCRA) Subtitle C hazardous waste program.

When Is a Uniform Hazardous Waste Manifest Required?

A manifest is required whenever a generator transports, or offers for transport, RCRA hazardous waste for off-site treatment, recycling, storage, or disposal. A few practical consequences follow from that:

On-site management doesn’t need one. Waste that never leaves the generator’s site — for example, chemical waste neutralized or treated under a permit at the same facility — isn’t manifested, because the manifest only tracks off-site movement.
Generator status doesn’t change the requirement. Very Small Quantity Generators (VSQGs), Small Quantity Generators (SQGs), and Large Quantity Generators (LQGs) are all subject to the manifest requirement once waste leaves the site for off-site management — generator status changes accumulation time limits and container standards, not whether a manifest applies. (See CASRAI’s Lab Waste Disposal guide for how generator status is determined.)
Universal waste and most recycled materials are typically exempt from full manifest requirements under their own separate regulatory tracks (40 CFR Part 273 for universal waste), though some states layer additional tracking requirements on top of the federal minimum — always confirm against your state hazardous waste program before assuming an exemption applies.

Because state programs can be more stringent than the federal RCRA program, some states also require a manifest (or a state-specific waste tracking form) for waste streams the federal rule doesn’t cover — this is the source of most “do I need a manifest for this?” confusion, and it’s a state-by-state question, not a single national answer.

What Information Must Be Included on a Hazardous Waste Manifest

The Uniform Hazardous Waste Manifest is a fixed, numbered form (EPA Form 8700-22), and every properly prepared manifest has to include, at minimum:

Manifest tracking number — a unique 12-character number pre-printed on the form, used to identify that specific shipment in EPA’s national tracking system.
Generator information — name, mailing address, site address, and EPA ID number (the facility’s unique RCRA identification number).
Transporter information — company name and EPA ID number for each transporter in the chain (a shipment can pass through more than one transporter).
Designated facility — the name, address, and EPA ID number of the TSDF the waste is being sent to, plus an alternate facility if the primary can’t accept the waste.
Waste description — the DOT shipping description (proper shipping name, hazard class, UN/NA identification number, and packing group where applicable), the RCRA waste codes (D-, F-, K-, P-, or U-codes) that apply to each waste line item, the number and type of containers, and the total quantity and unit of measure.
Special handling instructions and additional information — anything a transporter or receiving facility needs to know to handle the waste safely.
Generator’s certification — a signed statement, required by both EPA and DOT, that the shipment is properly classified, described, packaged, marked, and labeled, and is in proper condition for transport.
Signatures and dates for the generator, each transporter, and the designated facility (covered in more detail below).

The continuation sheet (Form 8700-22A) is used when a shipment has more waste line items than fit on the main form. A manifest missing any required field, or listing a waste code that doesn’t match the actual waste, is grounds for the receiving facility to reject the shipment or the generator to be cited in an inspection.

Whose Signatures Must Be on a Hazardous Waste Manifest

Three parties sign a hazardous waste manifest, each at a different point in the shipment’s life:

The generator signs and dates the manifest certification before the waste leaves the site, confirming the shipment is accurately described and properly prepared for transport.
Each transporter signs to acknowledge receipt of the waste from the generator (or from the prior transporter, if more than one carrier is involved) and again on delivery.
The designated facility (TSDF) signs on receipt, confirming what it actually received — including noting any discrepancy between what the manifest says and what physically arrived.

Because signing a manifest is itself a regulated activity under DOT hazardous materials rules, the individual who signs on behalf of the generator generally needs current DOT hazmat employee training (see below) — the manifest signature isn’t just an administrative formality, it’s a certification with legal weight.

Paper Manifests vs. the EPA e-Manifest System

EPA’s national electronic manifest system, e-Manifest, became available nationwide on June 30, 2018, giving generators, transporters, and TSDFs the option to complete and sign manifests electronically instead of on paper. e-Manifest routes signed manifest data into EPA’s national RCRAInfo database, which is what makes a hazardous waste manifest a genuine hazardous waste manifest tracking system rather than just a paper trail sitting in individual filing cabinets — regulators and generators can both see shipment status without waiting for a physical copy to be mailed back.

Paper manifests remain valid and are still widely used, particularly by smaller generators and facilities without an e-Manifest account, but designated facilities are required to submit manifest data to e-Manifest (electronically if the manifest was created electronically, or by scanning/data-entry if it was a paper manifest), and EPA charges a per-manifest user fee to receiving facilities that varies by submission method — electronic submission is generally the lowest-fee option. If your lab ships waste regularly, setting up an e-Manifest account (through your TSDF or hauler, or directly with EPA) removes most of the copy-tracking burden described below.

Manifest Copies and Distribution

A paper manifest is a multi-copy form (traditionally six copies) designed so each party in the chain keeps a copy and the generator ultimately gets confirmation the waste arrived:

The generator keeps a copy at the time of shipment.
Each transporter keeps a copy at the time they take custody.
The designated facility keeps a copy on receipt and signs and returns a copy to the generator, confirming the waste was received.

That final returned copy — signed by the TSDF — is the generator’s proof the waste reached its destination and matched what was shipped. It’s the document a lab needs on file to answer “where did this waste actually end up,” and it’s what the exception-report process below exists to chase down when it doesn’t show up.

Exception Reports: When the Signed Copy Doesn’t Come Back

Because the manifest system depends on that signed copy coming back from the TSDF, RCRA regulations (40 CFR 262.42) build in a follow-up obligation for generators. If a generator hasn’t received the signed copy back from the designated facility within roughly 35 days of the waste leaving the site, the generator is expected to contact the transporter and/or the facility to find out where the shipment is. If the signed copy still hasn’t arrived within roughly 45 days of shipment, the generator must submit a written exception report to their EPA Regional office or authorized state agency, describing the efforts made to locate the waste and the results. This exception-report obligation is one of the more commonly missed compliance steps precisely because it only triggers on an absence of paperwork — it’s easy to lose track of a shipment that simply never generates a follow-up email.

Non-Hazardous Waste Manifests

The federal RCRA manifest requirement applies to hazardous waste, not ordinary non-hazardous waste — but a lab will still commonly encounter a non-hazardous waste manifest in two situations. First, some states require a manifest, or a state-equivalent tracking form, for waste streams that are hazardous under state law but not under federal RCRA criteria (a “state-only” or “special” waste). Second, many licensed waste haulers use a bill of lading or a manifest-style tracking document for non-hazardous chemical, universal, or industrial waste as a matter of business practice and liability protection, even where no regulation strictly requires it. If a hauler hands your lab a document titled “waste manifest” for something you believe is non-hazardous, don’t assume it’s paperwork-only — confirm with your environmental health and safety office whether the waste is actually state-regulated before signing.

DOT Hazardous Waste Manifest Training

Because the manifest doubles as a DOT shipping paper, anyone who signs it on the generator’s behalf, classifies the waste, or otherwise functions as a “hazmat employee” under 49 CFR Part 172 Subpart H is required to complete DOT hazardous materials training — covering general awareness/familiarization, function-specific training on manifest completion and hazard communication, safety training, and (for anyone who might drive a shipment) security awareness training. DOT training must be completed before an employee performs these functions unsupervised and repeated at least once every three years. Labs that ship their own hazardous waste (rather than having every shipment coordinated entirely by EHS or a third-party hauler) need to track this training the same way they track any other regulated certification — an expired DOT hazmat credential on the person who signed the manifest is a real, citable finding in an inspection, independent of whether the waste itself was handled correctly.

Common Errors on a Properly Prepared Uniform Hazardous Waste Manifest

Inspectors and TSDFs see the same handful of manifest errors repeatedly:

EPA ID number mismatches — using an outdated or incorrect generator or facility ID number.
Waste code omissions — leaving off a characteristic code (e.g., D001 ignitability) that applies in addition to a listed waste code.
Missing or illegible signatures — a manifest with a blank signature line or date is incomplete and can be rejected on receipt.
Quantity or unit-of-measure errors — a mismatch between what’s declared and what’s physically shipped, discovered (and flagged) at the TSDF.
Using a generic or outdated shipping description instead of the specific DOT proper shipping name required for that waste stream.

A hazardous waste manifest example that a lab can use as a training reference is usually best sourced directly from the facility’s own hazardous waste hauler or EHS office, since the exact layout and any state-specific fields vary slightly by hauler and destination state — EPA’s own hazardous waste manifest system page hosts the current blank Form 8700-22 and instructions.

Record Retention

Generators, transporters, and TSDFs are all required to keep signed copies of hazardous waste manifests on file — the federal minimum retention period under RCRA is three years from the date the waste was accepted by the initial transporter, though many EHS offices retain manifests longer as a practical risk-management matter, and some state programs set a longer minimum. Keep manifest records with the same rigor as other regulated environmental records: they’re frequently the first document a state inspector asks to see.

Frequently Asked Questions

What is a hazardous waste manifest?

It’s the standardized shipping and chain-of-custody document (EPA Form 8700-22, the Uniform Hazardous Waste Manifest) that tracks hazardous waste from the generator, through any transporters, to the permitted treatment, storage, or disposal facility that ultimately receives it.

What information must be included on a hazardous waste manifest?

At minimum: the manifest tracking number; generator, transporter, and designated-facility identification (including EPA ID numbers); the DOT shipping description and RCRA waste codes for each waste line item; quantities and container counts; the generator’s signed certification; and signatures from the generator, each transporter, and the receiving facility. See “What Information Must Be Included” above for the full list.

Whose signatures must be on a hazardous waste manifest?

The generator (at shipment), each transporter (on taking and relinquishing custody), and the designated receiving facility (on delivery) all sign the same manifest.

When is a uniform hazardous waste manifest required?

Whenever a generator transports, or offers for transport, RCRA hazardous waste off-site for treatment, recycling, storage, or disposal — regardless of generator status (VSQG, SQG, or LQG). On-site treatment or disposal doesn’t require a manifest.

Is DOT training required to sign a hazardous waste manifest?

Yes. Anyone who signs the manifest, classifies the waste, or otherwise functions as a hazmat employee under 49 CFR Part 172 Subpart H needs current DOT hazardous materials training, renewed at least every three years.

What happens if a signed manifest copy is never returned to the generator?

The generator must follow up with the transporter and/or facility (around 35 days after shipment) and, if the signed copy still hasn’t arrived (around 45 days after shipment), file a written exception report with their EPA Region or state agency.

For the broader picture of how manifested shipments fit into a lab’s overall waste program — including generator status, satellite accumulation, and disposal routes for chemical, biological, and radiological waste streams — see CASRAI’s Lab Waste Disposal guide. For shipping hazardous materials that aren’t going to disposal (samples, reagents, dry ice), see the IATA Dangerous Goods Regulations guide and Lithium Battery Shipping Regulations guide.