How to Recycle Industrial Solvents & Degreasers
Used cleaning solvents and degreasers, mineral spirits, acetone, toluene, MEK, and chlorinated degreasers, from parts washing and manufacturing operations. Most of this stream is F-listed hazardous waste from the point of generation, and the listing follows still bottoms from any on-site recovery.
Quick answer
Spent solvents used in degreasing or cleaning are typically F001-F005 listed hazardous waste under 40 CFR 261.31 from the moment they're generated, regardless of how they test. Segregate by F code, remember that still bottoms from on-site distillation carry the same code as the feed, and route to a permitted reclaimer or hauler under manifest; on-site distillation itself is permit-exempt under 40 CFR 261.6(c)(1).
- Recyclable
- Yes
- Typical value
- No consistent per-gallon market price could be verified; solvent reclaimers typically price by service contract, collection plus return of distilled solvent, or a disposal fee, rather than a posted buy rate. Get a quote based on volume, F code, and contamination level.
- 1Identify which F code applies (40 CFR 261.31) before storage: F001 covers halogenated solvents used specifically for degreasing, F002 covers the same halogenated solvents in any use, F003 and F005 cover non-halogenated solvents like acetone, toluene, and MEK
- 2Segregate by F code and never mix solvent families; blending drags the listing across the whole container and can create reactivity or flammability hazards
- 3Remember the 10 percent rule: a mixture is F-listed if it contained 10 percent or more of the listed solvent(s) by volume before use, not the concentration remaining in the spent waste
- 4Strain out solids with compatible filters
- 5Store in closed, DOT-approved, labeled containers in a dedicated flammable-storage area
- 6If solvent goes through an on-site still, remember the still bottoms are newly generated waste carrying the same F code as the feed; the recycling process itself is exempt from RCRA permitting under 40 CFR 261.6(c)(1), but storage before and after isn't
- 7For solvent-contaminated shop wipes, use the conditional exclusions instead of managing them as bulk solvent waste (see FAQ)
- 8Track your generator category monthly and hold waste within the applicable accumulation limit: 180 days for a small quantity generator, 90 for a large one
- Solvent distillation and reclamation facilities
- Hazardous waste management companies (Clean Harbors, Veolia, US Ecology)
- On-site distillation unit vendors, for high-volume generators
- Industrial laundries certified for solvent-contaminated wipes
Spent solvents used in degreasing are F001; the same six halogenated solvents used for any other purpose are F002; non-halogenated solvents like acetone, toluene, and MEK are F003 or F005 (40 CFR 261.31). TCE and PCE are both under active EPA phase-down as of mid-2026: a December 2024 TSCA rule restricts TCE to a shrinking list of industrial uses under a Workplace Chemical Protection Plan, and a separate December 2024 rule phases PCE out of most uses over roughly a decade, though EPA reopened the PCE rule for comment in July 2025 and has since extended several compliance dates into 2027. Treat both as moving targets, not settled law, and check the current EPA pages before assuming a specific deadline. Never mix solvent families: the real danger is specific incompatibilities, strong oxidizers with organics, aged ethers with anything, since peroxide-formers can detonate on movement, not a generic 'explosive hazard' from any two solvents touching.
On-site and off-site distillation recovery is a mature, high-recovery industrial process with no household equivalent. Where solvent-contaminated wipes are involved, EPA's 2013 rule (78 FR 46448, effective January 31, 2014) offers two conditional exclusions instead of bulk hazardous waste handling: reusable, laundered wipes are excluded from the definition of solid waste under 40 CFR 261.4(a)(26), and disposable wipes are excluded from hazardous waste under 261.4(b)(18), except that wipes contaminated with trichloroethylene never qualify for the disposable exclusion. Both routes require closed, labeled containers marked 'Excluded Solvent-Contaminated Wipes,' a 180-day accumulation cap per container, and no free liquids at shipment. State adoption of the wipes rule is optional because it's less stringent than the rule it replaced; it took effect automatically only in non-authorized states, including Iowa and Alaska. Check your state's status before relying on it.
Accepted
- F001/F002 halogenated degreasing solvents
- F003/F005 non-halogenated solvents (acetone, toluene, xylene, MEK, isopropyl alcohol)
- Still bottoms from on-site solvent recovery
- Solvent-contaminated wipes managed under the applicable conditional exclusion
Not Accepted
- Solvents mixed with cutting oils or coolant
- Aged ether-based or other peroxide-forming solvents past their shelf life - don't move or open these; peroxides can detonate on shock or movement
- Disposable wipes contaminated with trichloroethylene claimed under the disposal exclusion; TCE wipes don't qualify for it
Estimated value: No consistent per-gallon market price could be verified; solvent reclaimers typically price by service contract, collection plus return of distilled solvent, or a disposal fee, rather than a posted buy rate. Get a quote based on volume, F code, and contamination level.
- Halogenated solvents (F001/F002): tetrachloroethylene, trichloroethylene, methylene chloride, 1,1,1-trichloroethane, carbon tetrachloride
- Non-halogenated solvents (F003/F005): acetone, xylene, toluene, MEK, methanol
- Peroxide-forming compounds in aged ethers
What's the difference between F001 and F002 solvents?
F001 covers a specific list of halogenated solvents (tetrachloroethylene, trichloroethylene, methylene chloride, 1,1,1-trichloroethane, carbon tetrachloride, chlorinated fluorocarbons) only when used for degreasing. F002 covers those same solvents plus several more, used for any purpose. Both carry hazard code (T) (40 CFR 261.31).
Is the 10 percent listing rule based on the spent waste or the original product?
The original, unused product. A mixture is F-listed if it contained 10 percent or more of the listed solvent(s) by volume before use, regardless of how diluted or contaminated the spent waste ends up.
Can I run my own solvent still without a RCRA permit?
Yes, the recycling process itself is exempt from permitting under 40 CFR 261.6(c)(1). Storage before recycling stays regulated, and the still bottoms are newly generated waste carrying the same F code as the feed.
Do solvent-contaminated shop wipes have to be manifested as hazardous waste?
Not if you meet the conditions of the 2013 rule: closed, labeled containers ('Excluded Solvent-Contaminated Wipes'), 180-day turnover, and no free liquids at shipment. Reusable wipes are excluded from the definition of solid waste (261.4(a)(26)); disposable wipes are excluded from hazardous waste (261.4(b)(18)), except that TCE-contaminated disposables never qualify. State adoption is optional, so confirm your state follows the rule.
Are TCE and PCE being phased out?
Both are under active EPA restriction as of 2026, with December 2024 TSCA rules and multiple compliance-date extensions since. The rules are still in motion, not finalized end-states, so check EPA's current TCE and PCE risk-management pages before planning around a specific deadline.
What reporting applies to large solvent users?
EPCRA Section 313 (Toxics Release Inventory) applies at 25,000 lb manufactured or processed, or 10,000 lb otherwise used, per listed chemical per year, plus employee-count and NAICS-sector tests (40 CFR 372). Both thresholds and the applicability tests need to be checked, not just one number.
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Recycling centers that accept Industrial Solvents & Degreasers
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