[Code of Federal Regulations]
[Title 40, Volume 25]
[Revised as of July 1, 2005]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR261.31]

[Page 64-67]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 261_IDENTIFICATION AND LISTING OF HAZARDOUS WASTE--Table of Contents
 
                   Subpart D_Lists of Hazardous Wastes
 
Sec. 261.31  Hazardous wastes from non-specific sources.

    (a) The following solid wastes are listed hazardous wastes from non-
specific sources unless they are excluded under Sec. Sec. 260.20 and 
260.22 and listed in appendix IX.

------------------------------------------------------------------------
   Industry and EPA hazardous
           waste No.                  Hazardous waste        Hazard code
------------------------------------------------------------------------
Generic:
  F001.........................  The following spent        (T)
                                  halogenated solvents
                                  used in degreasing:
                                  Tetrachloroethylene,
                                  trichloroethylene,
                                  methylene chloride,
                                  1,1,1-trichloroethane,
                                  carbon tetrachloride,
                                  and chlorinated
                                  fluorocarbons; all spent
                                  solvent mixtures/blends
                                  used in degreasing
                                  containing, before use,
                                  a total of ten percent
                                  or more (by volume) of
                                  one or more of the above
                                  halogenated solvents or
                                  those solvents listed in
                                  F002, F004, and F005;
                                  and still bottoms from
                                  the recovery of these
                                  spent solvents and spent
                                  solvent mixtures.
  F002.........................  The following spent        (T)
                                  halogenated solvents:
                                  Tetrachloroethylene,
                                  methylene chloride,
                                  trichloroethylene, 1,1,1-
                                  trichloroethane,
                                  chlorobenzene, 1,1,2-
                                  trichloro-1,2,2-
                                  trifluoroethane, ortho-
                                  dichlorobenzene,
                                  trichlorofluoromethane,
                                  and 1,1,2-
                                  trichloroethane; all
                                  spent solvent mixtures/
                                  blends containing,
                                  before use, a total of
                                  ten percent or more (by
                                  volume) of one or more
                                  of the above halogenated
                                  solvents or those listed
                                  in F001, F004, or F005;
                                  and still bottoms from
                                  the recovery of these
                                  spent solvents and spent
                                  solvent mixtures.
  F003.........................  The following spent non-   (I)*
                                  halogenated solvents:
                                  Xylene, acetone, ethyl
                                  acetate, ethyl benzene,
                                  ethyl ether, methyl
                                  isobutyl ketone, n-butyl
                                  alcohol, cyclohexanone,
                                  and methanol; all spent
                                  solvent mixtures/blends
                                  containing, before use,
                                  only the above spent non-
                                  halogenated solvents;
                                  and all spent solvent
                                  mixtures/blends
                                  containing, before use,
                                  one or more of the above
                                  non-halogenated
                                  solvents, and, a total
                                  of ten percent or more
                                  (by volume) of one or
                                  more of those solvents
                                  listed in F001, F002,
                                  F004, and F005; and
                                  still bottoms from the
                                  recovery of these spent
                                  solvents and spent
                                  solvent mixtures.
  F004.........................  The following spent non-   (T)
                                  halogenated solvents:
                                  Cresols and cresylic
                                  acid, and nitrobenzene;
                                  all spent solvent
                                  mixtures/blends
                                  containing, before use,
                                  a total of ten percent
                                  or more (by volume) of
                                  one or more of the above
                                  non-halogenated solvents
                                  or those solvents listed
                                  in F001, F002, and F005;
                                  and still bottoms from
                                  the recovery of these
                                  spent solvents and spent
                                  solvent mixtures.
  F005.........................  The following spent non-   (I,T)
                                  halogenated solvents:
                                  Toluene, methyl ethyl
                                  ketone, carbon
                                  disulfide, isobutanol,
                                  pyridine, benzene, 2-
                                  ethoxyethanol, and 2-
                                  nitropropane; all spent
                                  solvent mixtures/blends
                                  containing, before use,
                                  a total of ten percent
                                  or more (by volume) of
                                  one or more of the above
                                  non-halogenated solvents
                                  or those solvents listed
                                  in F001, F002, or F004;
                                  and still bottoms from
                                  the recovery of these
                                  spent solvents and spent
                                  solvent mixtures.

[[Page 65]]


  F006.........................  Wastewater treatment       (T)
                                  sludges from
                                  electroplating
                                  operations except from
                                  the following processes:
                                  (1) Sulfuric acid
                                  anodizing of aluminum;
                                  (2) tin plating on
                                  carbon steel; (3) zinc
                                  plating (segregated
                                  basis) on carbon steel;
                                  (4) aluminum or zinc-
                                  aluminum plating on
                                  carbon steel; (5)
                                  cleaning/stripping
                                  associated with tin,
                                  zinc and aluminum
                                  plating on carbon steel;
                                  and (6) chemical etching
                                  and milling of aluminum.
  F007.........................  Spent cyanide plating      (R, T)
                                  bath solutions from
                                  electroplating
                                  operations.
  F008.........................  Plating bath residues      (R, T)
                                  from the bottom of
                                  plating baths from
                                  electroplating
                                  operations where
                                  cyanides are used in the
                                  process.
  F009.........................  Spent stripping and        (R, T)
                                  cleaning bath solutions
                                  from electroplating
                                  operations where
                                  cyanides are used in the
                                  process.
  F010.........................  Quenching bath residues    (R, T)
                                  from oil baths from
                                  metal heat treating
                                  operations where
                                  cyanides are used in the
                                  process.
  F011.........................  Spent cyanide solutions    (R, T)
                                  from salt bath pot
                                  cleaning from metal heat
                                  treating operations.
  F012.........................  Quenching waste water      (T)
                                  treatment sludges from
                                  metal heat treating
                                  operations where
                                  cyanides are used in the
                                  process.
  F019.........................  Wastewater treatment       (T)
                                  sludges from the
                                  chemical conversion
                                  coating of aluminum
                                  except from zirconium
                                  phosphating in aluminum
                                  can washing when such
                                  phosphating is an
                                  exclusive conversion
                                  coating process.
  F020.........................  Wastes (except wastewater  (H)
                                  and spent carbon from
                                  hydrogen chloride
                                  purification) from the
                                  production or
                                  manufacturing use (as a
                                  reactant, chemical
                                  intermediate, or
                                  component in a
                                  formulating process) of
                                  tri- or
                                  tetrachlorophenol, or of
                                  intermediates used to
                                  produce their pesticide
                                  derivatives. (This
                                  listing does not include
                                  wastes from the
                                  production of
                                  Hexachlorophene from
                                  highly purified 2,4,5-
                                  trichlorophenol.).
  F021.........................  Wastes (except wastewater  (H)
                                  and spent carbon from
                                  hydrogen chloride
                                  purification) from the
                                  production or
                                  manufacturing use (as a
                                  reactant, chemical
                                  intermediate, or
                                  component in a
                                  formulating process) of
                                  pentachlorophenol, or of
                                  intermediates used to
                                  produce its derivatives.
  F022.........................  Wastes (except wastewater  (H)
                                  and spent carbon from
                                  hydrogen chloride
                                  purification) from the
                                  manufacturing use (as a
                                  reactant, chemical
                                  intermediate, or
                                  component in a
                                  formulating process) of
                                  tetra-, penta-, or
                                  hexachlorobenzenes under
                                  alkaline conditions.
  F023.........................  Wastes (except wastewater  (H)
                                  and spent carbon from
                                  hydrogen chloride
                                  purification) from the
                                  production of materials
                                  on equipment previously
                                  used for the production
                                  or manufacturing use (as
                                  a reactant, chemical
                                  intermediate, or
                                  component in a
                                  formulating process) of
                                  tri- and
                                  tetrachlorophenols.
                                  (This listing does not
                                  include wastes from
                                  equipment used only for
                                  the production or use of
                                  Hexachlorophene from
                                  highly purified 2,4,5-
                                  trichlorophenol.).
  F024.........................  Process wastes, including  (T)
                                  but not limited to,
                                  distillation residues,
                                  heavy ends, tars, and
                                  reactor clean-out
                                  wastes, from the
                                  production of certain
                                  chlorinated aliphatic
                                  hydrocarbons by free
                                  radical catalyzed
                                  processes. These
                                  chlorinated aliphatic
                                  hydrocarbons are those
                                  having carbon chain
                                  lengths ranging from one
                                  to and including five,
                                  with varying amounts and
                                  positions of chlorine
                                  substitution. (This
                                  listing does not include
                                  wastewaters, wastewater
                                  treatment sludges, spent
                                  catalysts, and wastes
                                  listed in Sec. 261.31
                                  or Sec. 261.32.).
  F025.........................  Condensed light ends,      (T)
                                  spent filters and filter
                                  aids, and spent
                                  desiccant wastes from
                                  the production of
                                  certain chlorinated
                                  aliphatic hydrocarbons,
                                  by free radical
                                  catalyzed processes.
                                  These chlorinated
                                  aliphatic hydrocarbons
                                  are those having carbon
                                  chain lengths ranging
                                  from one to and
                                  including five, with
                                  varying amounts and
                                  positions of chlorine
                                  substitution.
  F026.........................  Wastes (except wastewater  (H)
                                  and spent carbon from
                                  hydrogen chloride
                                  purification) from the
                                  production of materials
                                  on equipment previously
                                  used for the
                                  manufacturing use (as a
                                  reactant, chemical
                                  intermediate, or
                                  component in a
                                  formulating process) of
                                  tetra-, penta-, or
                                  hexachlorobenzene under
                                  alkaline conditions.
  F027.........................  Discarded unused           (H)
                                  formulations containing
                                  tri-, tetra-, or
                                  pentachlorophenol or
                                  discarded unused
                                  formulations containing
                                  compounds derived from
                                  these chlorophenols.
                                  (This listing does not
                                  include formulations
                                  containing
                                  Hexachlorophene
                                  sythesized from
                                  prepurified 2,4,5-
                                  trichlorophenol as the
                                  sole component.).
  F028.........................  Residues resulting from    (T)
                                  the incineration or
                                  thermal treatment of
                                  soil contaminated with
                                  EPA Hazardous Waste Nos.
                                  F020, F021, F022, F023,
                                  F026, and F027.
  F032.........................  Wastewaters (except those  (T)
                                  that have not come into
                                  contact with process
                                  contaminants), process
                                  residuals, preservative
                                  drippage, and spent
                                  formulations from wood
                                  preserving processes
                                  generated at plants that
                                  currently use or have
                                  previously used
                                  chlorophenolic
                                  formulations (except
                                  potentially cross-
                                  contaminated wastes that
                                  have had the F032 waste
                                  code deleted in
                                  accordance with Sec.
                                  261.35 of this chapter
                                  or potentially cross-
                                  contaminated wastes that
                                  are otherwise currently
                                  regulated as hazardous
                                  wastes (i.e., F034 or
                                  F035), and where the
                                  generator does not
                                  resume or initiate use
                                  of chlorophenolic
                                  formulations). This
                                  listing does not include
                                  K001 bottom sediment
                                  sludge from the
                                  treatment of wastewater
                                  from wood preserving
                                  processes that use
                                  creosote and/or
                                  pentachlorophenol.

[[Page 66]]


  F034.........................  Wastewaters (except those  (T)
                                  that have not come into
                                  contact with process
                                  contaminants), process
                                  residuals, preservative
                                  drippage, and spent
                                  formulations from wood
                                  preserving processes
                                  generated at plants that
                                  use creosote
                                  formulations. This
                                  listing does not include
                                  K001 bottom sediment
                                  sludge from the
                                  treatment of wastewater
                                  from wood preserving
                                  processes that use
                                  creosote and/or
                                  pentachlorophenol.
  F035.........................  Wastewaters (except those  (T)
                                  that have not come into
                                  contact with process
                                  contaminants), process
                                  residuals, preservative
                                  drippage, and spent
                                  formulations from wood
                                  preserving processes
                                  generated at plants that
                                  use inorganic
                                  preservatives containing
                                  arsenic or chromium.
                                  This listing does not
                                  include K001 bottom
                                  sediment sludge from the
                                  treatment of wastewater
                                  from wood preserving
                                  processes that use
                                  creosote and/or
                                  pentachlorophenol.
  F037.........................  Petroleum refinery         (T)
                                  primary oil/water/solids
                                  separation sludge--Any
                                  sludge generated from
                                  the gravitational
                                  separation of oil/water/
                                  solids during the
                                  storage or treatment of
                                  process wastewaters and
                                  oil cooling wastewaters
                                  from petroleum
                                  refineries. Such sludges
                                  include, but are not
                                  limited to, those
                                  generated in oil/water/
                                  solids separators; tanks
                                  and impoundments;
                                  ditches and other
                                  conveyances; sumps; and
                                  stormwater units
                                  receiving dry weather
                                  flow. Sludge generated
                                  in stormwater units that
                                  do not receive dry
                                  weather flow, sludges
                                  generated from non-
                                  contact once-through
                                  cooling waters
                                  segregated for treatment
                                  from other process or
                                  oily cooling waters,
                                  sludges generated in
                                  aggressive biological
                                  treatment units as
                                  defined in Sec.
                                  261.31(b)(2) (including
                                  sludges generated in one
                                  or more additional units
                                  after wastewaters have
                                  been treated in
                                  aggressive biological
                                  treatment units) and
                                  K051 wastes are not
                                  included in this
                                  listing. This listing
                                  does include residuals
                                  generated from
                                  processing or recycling
                                  oil-bearing hazardous
                                  secondary materials
                                  excluded under Sec.
                                  261.4(a)(12)(i), if
                                  those residuals are to
                                  be disposed of..
  F038.........................  Petroleum refinery         (T)
                                  secondary (emulsified)
                                  oil/water/solids
                                  separation sludge--Any
                                  sludge and/or float
                                  generated from the
                                  physical and/or chemical
                                  separation of oil/water/
                                  solids in process
                                  wastewaters and oily
                                  cooling wastewaters from
                                  petroleum refineries.
                                  Such wastes include, but
                                  are not limited to, all
                                  sludges and floats
                                  generated in: induced
                                  air flotation (IAF)
                                  units, tanks and
                                  impoundments, and all
                                  sludges generated in DAF
                                  units. Sludges generated
                                  in stormwater units that
                                  do not receive dry
                                  weather flow, sludges
                                  generated from non-
                                  contact once-through
                                  cooling waters
                                  segregated for treatment
                                  from other process or
                                  oily cooling waters,
                                  sludges and floats
                                  generated in aggressive
                                  biological treatment
                                  units as defined in Sec.
                                    261.31(b)(2)
                                  (including sludges and
                                  floats generated in one
                                  or more additional units
                                  after wastewaters have
                                  been treated in
                                  aggressive biological
                                  treatment units) and
                                  F037, K048, and K051
                                  wastes are not included
                                  in this listing.
  F039.........................  Leachate (liquids that     (T)
                                  have percolated through
                                  land disposed wastes)
                                  resulting from the
                                  disposal of more than
                                  one restricted waste
                                  classified as hazardous
                                  under subpart D of this
                                  part. (Leachate
                                  resulting from the
                                  disposal of one or more
                                  of the following EPA
                                  Hazardous Wastes and no
                                  other Hazardous Wastes
                                  retains its EPA
                                  Hazardous Waste
                                  Number(s): F020, F021,
                                  F022, F026, F027, and/or
                                  F028.).
------------------------------------------------------------------------

    (b) Listing Specific Definitions: (1) For the purposes of the F037 
and F038 listings, oil/water/solids is defined as oil and/or water and/
or solids.(2) (i) For the purposes of the F037 and F038 listings, 
aggressive biological treatment units are defined as units which employ 
one of the following four treatment methods: activated sludge; trickling 
filter; rotating biological contactor for the continuous accelerated 
biological oxidation of wastewaters; or high-rate aeration. High-rate 
aeration is a system of surface impoundments or tanks, in which intense 
mechanical aeration is used to completely mix the wastes, enhance 
biological activity, and (A) the units employ a minimum of 6 hp per 
million gallons of treatment volume; and either (B) the hydraulic 
retention time of the unit is no longer than 5 days; or (C) the 
hydraulic retention time is no longer than 30 days and the unit does not 
generate a sludge that is a hazardous waste by the Toxicity 
Characteristic.
    (ii) Generators and treatment, storage and disposal facilities have 
the burden of proving that their sludges are exempt from listing as F037 
and F038 wastes under this definition. Generators and treatment, storage 
and disposal facilities must maintain, in their operating or other 
onsite records, documents and data sufficient to prove that: (A) the 
unit is an aggressive biological treatment unit as defined in this 
subsection; and (B) the sludges sought to be exempted from the 
definitions of F037 and/or F038 were actually generated in the 
aggressive biological treatment unit.

[[Page 67]]

    (3) (i) For the purposes of the F037 listing, sludges are considered 
to be generated at the moment of deposition in the unit, where 
deposition is defined as at least a temporary cessation of lateral 
particle movement.
    (ii) For the purposes of the F038 listing, (A) sludges are 
considered to be generated at the moment of deposition in the unit, 
where deposition is defined as at least a temporary cessation of lateral 
particle movement and (B) floats are considered to be generated at the 
moment they are formed in the top of the unit.

[46 FR 4617, Jan. 16, 1981]

    Editorial Note: For Federal Register citations affecting Sec. 
261.31, see the List of CFR Sections Affected, which appears in the 
Finding Aids section of the printed volume and on GPO Access.