Form codes describe the general physical and chemical characteristics of a hazardous
waste. Review the groups and pick the appropriate code.
Form Description |
Code |
Mixed Media/Debris/Devices: Waste that is a mixture of organic and inorganic wastes, liquid and solid wastes, or devices that are not easily categorizable. |
Lab packs from any source NOT containing acute hazardous waste. |
W001 |
Contaminated debris: paper, clothing, rags, wood, empty fiber or plastic containers, glass, piping, other solids (usually from construction, demolition, cleaning, or remediation). |
W002 |
Lab packs from any source containing acute hazardous waste: Acute Dangerous Waste codes are: F020-F023, F026, F027, or any P code waste. |
W004 |
Contaminated soil: Usually from spill clean up, demolition, or remediation; see also W512. |
W301 |
Batteries, battery parts, cores, casings: Lead-acid or other types. |
W309 |
Filters, solid adsorbents, ion exchange resins, and spent carbon: Usually from production, intermittent processes, or remediation. |
W310 |
Electrical devices: Lamps, fluorescent lamps, or thermostats usually containing mercury; CRTs containing lead; etc. |
W320 |
Sediment or lagoon dragout, drilling or other muds: Wet or muddy soils; see also W301. |
W512 |
Compressed gases of any type. |
W801 |
Inorganic Liquids: Waste that is primarily inorganic and highly fluid (for example, aqueous), with low suspended inorganic solids and low organic content. |
Very dilute aqueous waste containing more than 99% water: Land disposal restriction defined wastewater that is not exempt under NPDES or POTW discharge. |
W101 |
Spent concentrated acid: 5% or more. |
W103 |
Acidic aqueous wastes less than 5% acid: Diluted, but pH less than 2. |
W105 |
Aqueous waste containing cyanides: Generally caustic. |
W107 |
Caustic aqueous waste without cyanides: pH greater than 12.5. |
W110 |
Other aqueous waste or wastewaters: Fluid but not sludge. |
W113 |
Waste liquid mercury: Metallic. |
W117 |
Other inorganic liquid: Specify in comments. |
W119 |
Organic Liquids: Waste that is primarily organic and is highly fluid, with low inorganic solids content and low-to-moderate water content. |
Still bottoms in liquid form: Fluid but not sludge. |
W200 |
Concentrated halogenated: for example, chlorinated solvent. |
W202 |
Concentrated non-halogenated: for example, non-chlorinated solvent. |
W203 |
Concentrated halogenated/non-halogenated solvent mixture. |
W204 |
Oil-water emulsion or mixture: Fluid but not sludge. |
W205 |
Waste oil: managed as hazardous waste. |
W206 |
Paint, ink, lacquer, or varnish: Fluid - not dried out or sludge. |
W209 |
Reactive or polymerizable organic liquids and adhesives: Fluid but not sludge. |
W210 |
Paint thinner or petroleum distillates. |
W211 |
Other organic liquid: Specify in comments. |
W219 |
Inorganic Solids: Waste that is primarily inorganic and solid, with low organic content and low-to-moderate water content; not pumpable. |
Ash: From any type of burning of hazardous waste. |
W303 |
Slags, drosses, and other solid thermal residues. |
W304 |
Metal scale, filings, and scrap: Including metal drums. |
W307 |
Cyanide or metal cyanide bearing solids, salts, or chemicals. |
W312 |
Metal salts or chemicals not containing cyanides. |
W316 |
Other inorganic solids: Specify in comments. |
W319 |
Organic Solids: Waste that is primarily organic and solid, with low-to-moderate inorganic content and water content; not pumpable. |
Pesticide solids: Used or discarded - not contaminated soils - W301. |
W401 |
Solid resins, plastics, or polymerized organics. |
W403 |
Explosives or reactive organic solids. |
W405 |
Other organic solids: Specify in comments. |
W409 |
Inorganic Sludges - Waste that is primarily inorganic, with moderate-to-high water content and low organic content; mostly pumpable. |
Lime and/or metal hydroxide sludges and solids with no cyanides: Not contaminated muds - W512. |
W501 |
Gypsum sludges from wastewater treatment or air pollution control. |
W503 |
Other sludges from wastewater treatment or air pollution control. |
W504 |
Metal-bearing sludges (including plating sludge) not containing cyanides. |
W505 |
Cyanide-bearing sludges: Not contaminated soils - W512. |
W506 |
Other inorganic sludges: Not contaminated muds - W512; specify in comments. |
W519 |
Organic Sludges - Waste that is primarily organic with low-to-moderate inorganic solids and water content; pumpable. |
Oily sludge: Not contaminated muds - W512. |
W603 |
Paint or ink sludges, still bottoms in sludge form: Not contaminated muds - W512. |
W604 |
Resins, tars, polymer, or tarry sludge: Not contaminated muds - W512. |
W606 |
Other organic sludge: Specify in comments. |
W609 |
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