Title 40 -- Protection of Environment

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§710.46 Chemical substances for which information is not required.

The following groups or categories of chemical substances are exempted from some or all of the reporting requirements of this subpart, with the following exception: A chemical substance described in paragraph (a)(1), (a)(2), or (a)(4), or (b) of this section is not exempted from any of the reporting requirements of this subpart if that substance is the subject of a rule proposed or promulgated under section 4, 5(a)(2), 5(b)(4), or 6 of the Act, or is the subject of an order issued under section 5(e) or 5(f) of the Act, or is the subject of relief that has been granted under a civil action under section 5 or 7 of the Act.

(a) Full exemptions. The following categories of chemical substances are exempted from the reporting requirements of this subpart.

(1) Polymers. (i) Any chemical substance described with the word fragments "*polym*", "*alkyd", or "*oxylated" in the Chemical Abstracts Service Index or Preferred Nomenclature in the Chemical Substance Identities section of the 1985 edition of the Inventory or in the Master Inventory File, where the asterisk (*) indicates that any sets of characters may precede, or follow, the character string defined.

(ii) Any chemical substance which is identified in the 1985 edition of the Inventory or the Master Inventory File as siloxane and silicone, silsesquioxane, a protein (albumin, casein, gelatin, gluten, hemoglobin), an enzyme, a polysaccharide (starch, cellulose, gum), rubber, or lignin.

(iii) This exclusion does not apply to a polymeric substance that has been hydrolyzed, depolymerized, or otherwise chemically modified, except in cases where the intended product of this reaction is totally polymeric in structure.

(2) Microorganisms. Any combination of chemical substances that is a living organism, and that meets the definition of "microorganism" at §725.3 of this chapter. Any chemical substance produced from a living microorganism is reportable under this subpart unless otherwise excluded.

(3) Naturally occurring chemical substances. Any naturally occurring chemical substance, as described in §710.4(b). The applicability of this exclusion is determined in each case by the specific activities of the person who manufactures the substance in question. Some chemical substances can be manufactured both as described in §710.4(b) and by means other than those described in §710.4(b). If a person described in §710.48 manufactures a chemical substance by means other than those described in §710.4(b), the person must report regardless of whether the substance also could have been produced as described in §710.4(b). Any chemical substance that is produced from such a naturally occurring chemical substance described in §710.4(b) is reportable unless otherwise excluded.

(4) Certain forms of natural gas. Chemical substances with the following Chemical Abstract Service (CAS) Registry Numbers: CAS No. 64741-48-6, Natural gas (petroleum), raw liquid mix; CAS No. 68919-39-1, Natural gas condensates; CAS No. 8006-61-9, Gasoline natural; CAS No. 68425-31-0, Gasoline (natural gas), natural; CAS No. 8006-14-2, Natural gas; and CAS No. 68410-63-9, Natural gas, dried.

(b) Partial exemptions. The following groups of chemical substances are partially exempted from the reporting requirements of this subpart (i.e., the information described in §710.52(c)(4) need not be reported for these substances). Such chemical substances are not excluded from the other reporting requirements under this subpart. A chemical substance described in paragraph (b)(3) of this section qualifies for a partial reporting exemption during the 2006 submission period; in subsequent submission periods, the chemical substances described in paragraph (b)(3) of this section will be subject to full reporting under this subpart (i.e., all of the information described in this subpart must be reported), unless otherwise exempted.

(1) Petroleum process streams. EPA has designated the following chemical substances, listed by CAS Number, as partially exempt from reporting under the IUR.

 CAS Numbers of Partially Exempt Chemical Substances Termed ``Petroleum
      Process Streams'' for Purposes of Inventory Update Reporting
------------------------------------------------------------------------
  CAS No.                              Product
------------------------------------------------------------------------
  7732-18-5  Water
  8002-05-9  Petroleum
  8002-74-2  Paraffin waxes and hydrocarbon waxes
  8006-20-0  Fuel gases, low and medium B.T.U.
  8008-20-6  Kerosine (petroleum)
  8009-03-8  Petrolatum
  8012-95-1  Paraffin oils
  8030-30-6  Naphtha
  8032-32-4  Ligroine
  8042-47-5  White mineral oil (petroleum)
  8052-41-3  Stoddard solvent
  8052-42-4  Asphalt
 63231-60-7  Paraffin waxes and hydrocarbon waxes, microcryst.
 64741-41-9  Naphtha (petroleum), heavy straight-run
 64741-42-0  Naphtha (petroleum), full-range straight-run
 64741-43-1  Gas oils (petroleum), straight-run
 64741-44-2  Distillates (petroleum), straight-run middle
 64741-45-3  Residues (petroleum), atm. tower
 64741-46-4  Naphtha (petroleum), light straight-run
 64741-47-5  Natural gas condensates (petroleum)
 64741-49-7  Condensates (petroleum), vacuum tower
 64741-50-0  Distillates (petroleum), light paraffinic
 64741-51-1  Distillates (petroleum), heavy paraffinic
 64741-52-2  Distillates (petroleum), light naphthenic
 64741-53-3  Distillates (petroleum), heavy naphthenic
 64741-54-4  Naphtha (petroleum), heavy catalytic cracked
 64741-55-5  Naphtha (petroleum), light catalytic cracked
 64741-56-6  Residues (petroleum), vacuum
 64741-57-7  Gas oils (petroleum), heavy vacuum
 64741-58-8  Gas oils (petroleum), light vacuum
 64741-59-9  Distillates (petroleum), light catalytic cracked
 64741-60-2  Distillates (petroleum), intermediate catalytic cracked
 64741-61-3  Distillates (petroleum), heavy catalytic cracked
 64741-62-4  Clarified oils (petroleum), catalytic cracked
 64741-63-5  Naphtha (petroleum), light catalytic reformed
 64741-64-6  Naphtha (petroleum), full-range alkylate
 64741-65-7  Naphtha (petroleum), heavy alkylate
 64741-66-8  Naphtha (petroleum), light alkylate
 64741-67-9  Residues (petroleum), catalytic reformer fractionator
 64741-68-0  Naphtha (petroleum), heavy catalytic reformed
 64741-69-1  Naphtha (petroleum), light hydrocracked
 64741-70-4  Naphtha (petroleum), isomerization
 64741-73-7  Distillates (petroleum), alkylate
 64741-74-8  Naphtha (petroleum), light thermal cracked
 64741-75-9  Residues (petroleum), hydrocracked
 64741-76-0  Distillates (petroleum), heavy hydrocracked
 64741-77-1  Distillates (petroleum), light hydrocracked
 64741-78-2  Naphtha (petroleum), heavy hydrocracked
 64741-79-3  Coke (petroleum)
 64741-80-6  Residues (petroleum), thermal cracked
 64741-81-7  Distillates (petroleum), heavy thermal cracked
 64741-82-8  Distillates (petroleum), light thermal cracked
 64741-83-9  Naphtha (petroleum), heavy thermal cracked
 64741-84-0  Naphtha (petroleum), solvent-refined light
 64741-85-1  Raffinates (petroleum), sorption process
 64741-86-2  Distillates (petroleum), sweetened middle
 64741-87-3  Naphtha (petroleum), sweetened
 64741-88-4  Distillates (petroleum), solvent-refined heavy paraffinic
 64741-89-5  Distillates (petroleum), solvent-refined light paraffinic
 64741-90-8  Gas oils (petroleum), solvent-refined
 64741-91-9  Distillates (petroleum), solvent-refined middle
 64741-92-0  Naphtha (petroleum), solvent-refined heavy
 64741-95-3  Residual oils (petroleum), solvent deasphalted
 64741-96-4  Distillates (petroleum), solvent-refined heavy naphthenic
 64741-97-5  Distillates (petroleum), solvent-refined light naphthenic
 64741-98-6  Extracts (petroleum), heavy naphtha solvent
 64741-99-7  Extracts (petroleum), light naphtha solvent
 64742-01-4  Residual oils (petroleum), solvent-refined
 64742-03-6  Extracts (petroleum), light naphthenic distillate solvent
 64742-04-7  Extracts (petroleum), heavy paraffinic distillate solvent
 64742-05-8  Extracts (petroleum), light paraffinic distillate solvent
 64742-06-9  Extracts (petroleum), middle distillate solvent
 64742-07-0  Raffinates (petroleum), residual oil decarbonization
 64742-08-1  Raffinates (petroleum), heavy naphthenic distillate
              decarbonization
 64742-09-2  Raffinates (petroleum), heavy paraffinic distillate
              decarbonization
 64742-10-5  Extracts (petroleum), residual oil solvent
 64742-11-6  Extracts (petroleum), heavy naphthenic distillate solvent
 64742-12-7  Gas oils (petroleum), acid-treated
 64742-13-8  Distillates (petroleum), acid-treated middle
 64742-14-9  Distillates (petroleum), acid-treated light
 64742-15-0  Naphtha (petroleum), acid-treated
 64742-16-1  Petroleum resins
 64742-18-3  Distillates (petroleum), acid-treated heavy naphthenic
 64742-19-4  Distillates (petroleum), acid-treated light naphthenic
 64742-20-7  Distillates (petroleum), acid-treated heavy paraffinic
 64742-21-8  Distillates (petroleum), acid-treated light paraffinic
 64742-22-9  Naphtha (petroleum), chemically neutralized heavy
 64742-23-0  Naphtha (petroleum), chemically neutralized light
 64742-24-1  Sludges (petroleum), acid
 64742-25-2  Lubricating oils (petroleum), acid-treated spent
 64742-26-3  Hydrocarbon waxes (petroleum), acid-treated
 64742-27-4  Distillates (petroleum), chemically neutralized heavy
              paraffinic
 64742-28-5  Distillates (petroleum), chemically neutralized light
              paraffinic
 64742-29-6  Gas oils (petroleum), chemically neutralized
 64742-30-9  Distillates (petroleum), chemically neutralized middle
 64742-31-0  Distillates (petroleum), chemically neutralized light
 64742-32-1  Lubricating oils (petroleum), chemically neutralized spent
 64742-33-2  Hydrocarbon waxes (petroleum), chemically neutralized
 64742-34-3  Distillates (petroleum), chemically neutralized heavy
              naphthenic
 64742-35-4  Distillates (petroleum), chemically neutralized light
              naphthenic
 64742-36-5  Distillates (petroleum), clay-treated heavy paraffinic
 64742-37-6  Distillates (petroleum), clay-treated light paraffinic
 64742-38-7  Distillates (petroleum), clay-treated middle
 64742-39-8  Neutralizing agents (petroleum), spent sodium carbonate
 64742-40-1  Neutralizing agents (petroleum), spent sodium hydroxide
 64742-41-2  Residual oils (petroleum), clay-treated
 64742-42-3  Hydrocarbon waxes (petroleum), clay-treated microcryst.
 64742-43-4  Paraffin waxes (petroleum), clay-treated
 64742-44-5  Distillates (petroleum), clay-treated heavy naphthenic
 64742-45-6  Distillates (petroleum), clay-treated light naphthenic
 64742-46-7  Distillates (petroleum), hydrotreated middle
 64742-47-8  Distillates (petroleum), hydrotreated light
 64742-48-9  Naphtha (petroleum), hydrotreated heavy
 64742-49-0  Naphtha (petroleum), hydrotreated light
 64742-50-3  Lubricating oils (petroleum), clay-treated spent
 64742-51-4  Paraffin waxes (petroleum), hydrotreated
 64742-52-5  Distillates (petroleum), hydrotreated heavy naphthenic
 64742-53-6  Distillates (petroleum), hydrotreated light naphthenic
 64742-54-7  Distillates (petroleum), hydrotreated heavy paraffinic
 64742-55-8  Distillates (petroleum), hydrotreated light paraffinic
 64742-56-9  Distillates (petroleum), solvent-dewaxed light paraffinic
 64742-57-0  Residual oils (petroleum), hydrotreated
 64742-58-1  Lubricating oils (petroleum), hydrotreated spent
 64742-59-2  Gas oils (petroleum), hydrotreated vacuum
 64742-60-5  Hydrocarbon waxes (petroleum), hydrotreated microcryst.
 64742-61-6  Slack wax (petroleum)
 64742-62-7  Residual oils (petroleum), solvent-dewaxed
 64742-63-8  Distillates (petroleum), solvent-dewaxed heavy naphthenic
 64742-64-9  Distillates (petroleum), solvent-dewaxed light naphthenic
 64742-65-0  Distillates (petroleum), solvent-dewaxed heavy paraffinic
 64742-67-2  Foots oil (petroleum)
 64742-68-3  Naphthenic oils (petroleum), catalytic dewaxed heavy
 64742-69-4  Naphthenic oils (petroleum), catalytic dewaxed light
 64742-70-7  Paraffin oils (petroleum), catalytic dewaxed heavy
 64742-71-8  Paraffin oils (petroleum), catalytic dewaxed light
 64742-72-9  Distillates (petroleum), catalytic dewaxed middle
 64742-73-0  Naphtha (petroleum), hydrodesulfurized light
 64742-75-2  Naphthenic oils (petroleum), complex dewaxed heavy
 64742-76-3  Naphthenic oils (petroleum), complex dewaxed light
 64742-78-5  Residues (petroleum), hydrodesulfurized atmospheric tower
 64742-79-6  Gas oils (petroleum), hydrodesulfurized
 64742-80-9  Distillates (petroleum), hydrodesulfurized middle
 64742-81-0  Kerosine (petroleum), hydrodesulfurized
 64742-82-1  Naphtha (petroleum), hydrodesulfurized heavy
 64742-83-2  Naphtha (petroleum), light steam-cracked
 64742-85-4  Residues (petroleum), hydrodesulfurized vacuum
 64742-86-5  Gas oils (petroleum), hydrodesulfurized heavy vacuum
 64742-87-6  Gas oils (petroleum), hydrodesulfurized light vacuum
 64742-88-7  Solvent naphtha (petroleum), medium aliph.
 64742-89-8  Solvent naphtha (petroleum), light aliph.
 64742-90-1  Residues (petroleum), steam-cracked
 64742-91-2  Distillates (petroleum), steam-cracked
 64742-92-3  Petroleum resins, oxidized
 64742-93-4  Asphalt, oxidized
 64742-94-5  Solvent naphtha (petroleum), heavy arom.
 64742-95-6  Solvent naphtha (petroleum), light arom.
 64742-96-7  Solvent naphtha (petroleum), heavy aliph.
 64742-97-8  Distillates (petroleum), oxidized heavy
 64742-98-9  Distillates (petroleum), oxidized light
 64742-99-0  Residual oils (petroleum), oxidized
 64743-00-6  Hydrocarbon waxes (petroleum), oxidized
 64743-01-7  Petrolatum (petroleum), oxidized
 64743-02-8  Alkenes, C>10 .alpha.-
 64743-03-9  Phenols (petroleum)
 64743-04-0  Coke (petroleum), recovery
 64743-05-1  Coke (petroleum), calcined
 64743-06-2  Extracts (petroleum), gas oil solvent
 64743-07-3  Sludges (petroleum), chemically neutralized
 64754-89-8  Naphthenic acids (petroleum), crude
 64771-71-7  Paraffins (petroleum), normal C>10
 64771-72-8  Paraffins (petroleum), normal C5-20
 67674-12-8  Residual oils (petroleum), oxidized, compounds with
              triethanolamine
 67674-13-9  Petrolatum (petroleum), oxidized, partially deacidified
 67674-15-1  Petrolatum (petroleum), oxidized, Me ester
 67674-16-2  Hydrocarbon waxes (petroleum), oxidized, partially
              deacidified
 67674-17-3  Distillates (petroleum), oxidized light, compounds with
              triethanolamine
 67674-18-4  Distillates (petroleum), oxidized light, Bu esters
 67891-79-6  Distillates (petroleum), heavy arom.
 67891-80-9  Distillates (petroleum), light arom.
 67891-82-1  Hydrocarbon waxes (petroleum), oxidized, compounds with
              ethanolamine
 67891-83-2  Hydrocarbon waxes (petroleum), oxidized, compounds with
              isopropanolamine
 67891-85-4  Hydrocarbon waxes (petroleum), oxidized, compounds with
              triisopropanolamine
 68131-05-5  Hydrocarbon oils, process blends
 68131-49-7  Aromatic hydrocarbons, C6-10, acid-treated, neutralized
 68131-75-9  Gases (petroleum), C3-4
 68153-22-0  Paraffin waxes and Hydrocarbon waxes, oxidized
 68187-57-5  Pitch, coal tar-petroleum
 68187-58-6  Pitch, petroleum, arom.
 68187-60-0  Hydrocarbons, C4, ethane-propane-cracked
 68307-98-2  Tail gas (petroleum), catalytic cracked distillate and
              catalytic cracked naphtha fractionation absorber
 68307-99-3  Tail gas (petroleum), catalytic polymn. naphtha
              fractionation stabilizer
 68308-00-9  Tail gas (petroleum), catalytic reformed naphtha
              fractionation stabilizer, hydrogen sulfide-free
 68308-01-0  Tail gas (petroleum), cracked distillate hydrotreater
              stripper
 68308-02-1  Tail gas (petroleum), distn., hydrogen sulfide-free
 68308-03-2  Tail gas (petroleum), gas oil catalytic cracking absorber
 68308-04-3  Tail gas (petroleum), gas recovery plant
 68308-05-4  Tail gas (petroleum), gas recovery plant deethanizer
 68308-06-5  Tail gas (petroleum), hydrodesulfurized distillate and
              hydrodesulfurized naphtha fractionator, acid-free
 68308-07-6  Tail gas (petroleum), hydrodesulfurized vacuum gas oil
              stripper, hydrogen sulfide-free
 68308-08-7  Tail gas (petroleum), isomerized naphtha fractionation
              stabilizer
 68308-09-8  Tail gas (petroleum), light straight-run naphtha
              stabilizer, hydrogen sulfide-free
 68308-10-1  Tail gas (petroleum), straight-run distillate
              hydrodesulfurizer, hydrogen sulfide-free
 68308-11-2  Tail gas (petroleum), propane-propylene alkylation feed
              prep deethanizer
 68308-12-3  Tail gas (petroleum), vacuum gas oil hydrodesulfurizer,
              hydrogen sulfide-free
 68308-27-0  Fuel gases, refinery
 68333-22-2  Residues (petroleum), atmospheric
 68333-23-3  Naphtha (petroleum), heavy coker
 68333-24-4  Hydrocarbon waxes (petroleum), oxidized, compds. with
              triethanolamine
 68333-25-5  Distillates (petroleum), hydrodesulfurized light catalytic
              cracked
 68333-26-6  Clarified oils (petroleum), hydrodesulfurized catalytic
              cracked
 68333-27-7  Distillates (petroleum), hydrodesulfurized intermediate
              catalytic cracked
 68333-28-8  Distillates (petroleum), hydrodesulfurized heavy catalytic
              cracked
 68333-29-9  Residues (petroleum), light naphtha solvent extracts
 68333-30-2  Distillates (petroleum), oxidized heavy thermal cracked
 68333-81-3  Alkanes, C4-12
 68333-88-0  Aromatic hydrocarbons, C9-17
 68334-30-5  Fuels, diesel
 68409-99-4  Gases (petroleum), catalytic cracked overheads
 68410-00-4  Distillates (petroleum), crude oil
 68410-05-9  Distillates (petroleum), straight-run light
 68410-12-8  Distillates (petroleum), steam-cracked, C5-10 fraction,
              high-temp. stripping products with light steam-cracked
              petroleum naphtha C5 fraction polymers
 68410-71-9  Raffinates (petroleum), catalytic reformer ethylene glycol-
              water countercurrent exts.
 68410-96-8  Distillates (petroleum), hydrotreated middle, intermediate
              boiling
 68410-97-9  Distillates (petroleum), light distillate hydrotreating
              process, low-boiling
 68410-98-0  Distillates (petroleum), hydrotreated heavy naphtha,
              deisohexanizer overheads
 68411-00-7  Alkenes, C>8
 68425-29-6  Distillates (petroleum), naphtha-raffinate pyrolyzate-
              derived, gasoline-blending
 68425-33-2  Petrolatum (petroleum), oxidized, barium salt
 68425-34-3  Petrolatum (petroleum), oxidized, calcium salt
 68425-35-4  Raffinates (petroleum), reformer, Lurgi unit-sepd.
 68425-39-8  Alkenes, C>10 .alpha.-, oxidized
 68441-09-8  Hydrocarbon waxes (petroleum), clay-treated microcryst.,
              contg. polyethylene, oxidized
 68459-78-9  Alkenes, C18-24 .alpha.-, dimers
 68475-57-0  Alkanes, C1-2
 68475-58-1  Alkanes, C2-3
 68475-59-2  Alkanes, C3-4
 68475-60-5  Alkanes, C4-5
 68475-61-6  Alkenes, C5, naphtha-raffinate pyrolyzate-derived
 68475-70-7  Aromatic hydrocarbons, C6-8, naphtha-raffinate pyrolyzate-
              derived
 68475-79-6  Distillates (petroleum), catalytic reformed depentanizer
 68475-80-9  Distillates (petroleum), light steam-cracked naphtha
 68476-26-6  Fuel gases
 68476-28-8  Fuel gases, C6-8 catalytic reformer
 68476-29-9  Fuel gases, crude oil distillates
 68476-30-2  Fuel oil, no. 2
 68476-31-3  Fuel oil, no. 4
 68476-32-4  Fuel oil, residues-straight-run gas oils, high-sulfur
 68476-33-5  Fuel oil, residual
 68476-34-6  Fuels, diesel, no. 2
 68476-39-1  Hydrocarbons, aliph.-arom.-C4-5-olefinic
 68476-40-4  Hydrocarbons, C3-4
 68476-42-6  Hydrocarbons, C4-5
 68476-43-7  Hydrocarbons, C4-6, C5-rich
 68476-44-8  Hydrocarbons, C>3
 68476-45-9  Hydrocarbons, C5-10 arom. conc., ethylene-manuf.-by-product
 68476-46-0  Hydrocarbons, C3-11, catalytic cracker distillates
 68476-47-1  Hydrocarbons, C2-6, C6-8 catalytic reformer
 68476-49-3  Hydrocarbons, C2-4, C3-rich
 68476-50-6  Hydrocarbons, C>=5, C5-6-rich
 68476-52-8  Hydrocarbons, C4, ethylene-manuf.-by-product
 68476-53-9  Hydrocarbons, C>=20, petroleum wastes
 68476-54-0  Hydrocarbons, C3-5, polymn. unit feed
 68476-55-1  Hydrocarbons, C5-rich
 68476-56-2  Hydrocarbons, cyclic C5 and C6
 68476-77-7  Lubricating oils, refined used
 68476-81-3  Paraffin waxes and Hydrocarbon waxes, oxidized, calcium
              salts
 68476-84-6  Petroleum products, gases, inorg.
 68476-85-7  Petroleum gases, liquefied
 68476-86-8  Petroleum gases, liquefied, sweetened
 68477-25-8  Waste gases, vent gas, C1-6
 68477-26-9  Wastes, petroleum
 68477-29-2  Distillates (petroleum), catalytic reformer fractionator
              residue, high-boiling
 68477-30-5  Distillates (petroleum), catalytic reformer fractionator
              residue, intermediate-boiling
 68477-31-6  Distillates (petroleum), catalytic reformer fractionator
              residue, low-boiling
 68477-33-8  Gases (petroleum), C3-4, isobutane-rich
 68477-34-9  Distillates (petroleum), C3-5, 2-methyl-2-butene-rich
 68477-35-0  Distillates (petroleum), C3-6, piperylene-rich
 68477-36-1  Distillates (petroleum), cracked steam-cracked, C5-18
              fraction
 68477-38-3  Distillates (petroleum), cracked steam-cracked petroleum
              distillates
 68477-39-4  Distillates (petroleum), cracked stripped steam-cracked
              petroleum distillates, C8-10 fraction
 68477-40-7  Distillates (petroleum), cracked stripped steam-cracked
              petroleum distillates, C10-12 fraction
 68477-41-8  Gases (petroleum), extractive, C3-5, butadiene-butene-rich
 68477-42-9  Gases (petroleum), extractive, C3-5, butene-isobutylene-
              rich
 68477-44-1  Distillates (petroleum), heavy naphthenic, mixed with steam-
              cracked petroleum distillates C5-12 fraction
 68477-47-4  Distillates (petroleum), mixed heavy olefin vacuum, heart-
              cut
 68477-48-5  Distillates (petroleum), mixed heavy olefin vacuum, low-
              boiling
 68477-53-2  Distillates (petroleum), steam-cracked, C5-12 fraction
 68477-54-3  Distillates (petroleum), steam-cracked, C8-12 fraction
 68477-55-4  Distillates (petroleum), steam-cracked, C5-10 fraction,
              mixed with light steam-cracked petroleum naphtha C5
              fraction
 68477-58-7  Distillates (petroleum), steam-cracked petroleum
              distillates, C5-18 fraction
 68477-59-8  Distillates (petroleum), steam-cracked petroleum
              distillates cyclopentadiene conc.
 68477-60-1  Extracts (petroleum), cold-acid
 68477-61-2  Extracts (petroleum), cold-acid, C4-6
 68477-62-3  Extracts (petroleum), cold-acid, C3-5, butene-rich
 68477-63-4  Extracts (petroleum), reformer recycle
 68477-64-5  Gases (petroleum), acetylene manuf. off
 68477-65-6  Gases (petroleum), amine system feed
 68477-66-7  Gases (petroleum), benzene unit hydrodesulfurizer off
 68477-67-8  Gases (petroleum), benzene unit recycle, hydrogen-rich
 68477-68-9  Gases (petroleum), blend oil, hydrogen-nitrogen-rich
 68477-69-0  Gases (petroleum), butane splitter overheads
 68477-70-3  Gases (petroleum), C2-3
 68477-71-4  Gases (petroleum), catalytic-cracked gas oil depropanizer
              bottoms, C4-rich acid-free
 68477-72-5  Gases (petroleum), catalytic-cracked naphtha debutanizer
              bottoms, C3-5-rich
 68477-73-6  Gases (petroleum), catalytic cracked naphtha depropanizer
              overhead, C3-rich acid-free
 68477-74-7  Gases (petroleum), catalytic cracker
 68477-75-8  Gases (petroleum), catalytic cracker, C1-5-rich
 68477-76-9  Gases (petroleum), catalytic polymd. naphtha stabilizer
              overhead, C2-4-rich
 68477-77-0  Gases (petroleum), catalytic reformed naphtha stripper
              overheads
 68477-79-2  Gases (petroleum), catalytic reformer, C1-4-rich
 68477-80-5  Gases (petroleum), C6-8 catalytic reformer recycle
 68477-81-6  Gases (petroleum), C6-8 catalytic reformer
 68477-82-7  Gases (petroleum), C6-8 catalytic reformer recycle,
              hydrogen-rich
 68477-83-8  Gases (petroleum), C3-5 olefinic-paraffinic alkylation feed
 68477-84-9  Gases (petroleum), C2-return stream
 68477-85-0  Gases (petroleum), C4-rich
 68477-86-1  Gases (petroleum), deethanizer overheads
 68477-87-2  Gases (petroleum), deisobutanizer tower overheads
 68477-88-3  Gases (petroleum), deethanizer overheads, C3-rich
 68477-89-4  Distillates (petroleum), depentanizer overheads
 68477-90-7  Gases (petroleum), depropanizer dry, propene-rich
 68477-91-8  Gases (petroleum), depropanizer overheads
 68477-92-9  Gases (petroleum), dry sour, gas-concn.-unit-off
 68477-93-0  Gases (petroleum), gas concn. reabsorber distn.
 68477-94-1  Gases (petroleum), gas recovery plant depropanizer
              overheads
 68477-95-2  Gases (petroleum), Girbatol unit feed
 68477-96-3  Gases (petroleum), hydrogen absorber off
 68477-97-4  Gases (petroleum), hydrogen-rich
 68478-00-2  Gases (petroleum), recycle, hydrogen-rich
 68478-01-3  Gases (petroleum), reformer make-up, hydrogen-rich
 68478-02-4  Gases (petroleum), reforming hydrotreater
 68478-03-5  Gases (petroleum), reforming hydrotreater, hydrogen-methane-
              rich
 68478-04-6  Gases (petroleum), reforming hydrotreater make-up, hydrogen-
              rich
 68478-05-7  Gases (petroleum), thermal cracking distn.
 68478-08-0  Naphtha (petroleum), light steam-cracked, C5-fraction,
              oligomer conc.
 68478-10-4  Naphtha (petroleum), light steam-cracked, debenzenized, C8-
              16-cycloalkadiene conc.
 68478-12-6  Residues (petroleum), butane splitter bottoms
 68478-13-7  Residues (petroleum), catalytic reformer fractionator
              residue distn.
 68478-15-9  Residues (petroleum), C6-8 catalytic reformer
 68478-16-0  Residual oils (petroleum), deisobutanizer tower
 68478-17-1  Residues (petroleum), heavy coker gas oil and vacuum gas
              oil
 68478-18-2  Residues (petroleum), heavy olefin vacuum
 68478-19-3  Residual oils (petroleum), propene purifn. splitter
 68478-20-6  Residues (petroleum), steam-cracked petroleum distillates
              cyclopentadiene conc., C4-cyclopentadiene-free
 68478-22-8  Tail gas (petroleum), catalytic cracked naphtha
              stabilization absorber
 68478-24-0  Tail gas (petroleum), catalytic cracker, catalytic reformer
              and hydrodesulfurizer combined fractionater
 68478-25-1  Tail gas (petroleum), catalytic cracker refractionation
              absorber
 68478-26-2  Tail gas (petroleum), catalytic reformed naphtha
              fractionation stabilizer
 68478-27-3  Tail gas (petroleum), catalytic reformed naphtha separator
 68478-28-4  Tail gas (petroleum), catalytic reformed naphtha stabilizer
 68478-29-5  Tail gas (petroleum), cracked distillate hydrotreater
              separator
 68478-30-8  Tail gas (petroleum), hydrodesulfurized straight-run
              naphtha separator
 68478-32-0  Tail gas (petroleum), saturate gas plant mixed stream, C4-
              rich
 68478-33-1  Tail gas (petroleum), saturate gas recovery plant, C1-2-
              rich
 68478-34-2  Tail gas (petroleum), vacuum residues thermal cracker
 68512-61-8  Residues (petroleum), heavy coker and light vacuum
 68512-62-9  Residues (petroleum), light vacuum
 68512-78-7  Solvent naphtha (petroleum), light arom., hydrotreated
 68512-91-4  Hydrocarbons, C3-4-rich, petroleum distillates
 68513-02-0  Naphtha (petroleum), full-range coker
 68513-11-1  Fuel gases, hydrotreater fractionation, scrubbed
 68513-12-2  Fuel gases, saturate gas unit fractionater-absorber
              overheads
 68513-13-3  Fuel gases, thermal cracked catalytic cracking residue
 68513-14-4  Gases (petroleum), catalytic reformed straight-run naphtha
              stabilizer overheads
 68513-15-5  Gases (petroleum), full-range straight-run naphtha
              dehexanizer off
 68513-16-6  Gases (petroleum), hydrocracking depropanizer off,
              hydrocarbon-rich
 68513-17-7  Gases (petroleum), light straight-run naphtha stabilizer
              off
 68513-18-8  Gases (petroleum), reformer effluent high-pressure flash
              drum off
 68513-19-9  Gases (petroleum), reformer effluent low-pressure flash
              drum off
 68513-62-2  Disulfides, C5-12-alkyl
 68513-63-3  Distillates (petroleum), catalytic reformed straight-run
              naphtha overheads
 68513-65-5  Butane, branched and linear
 68513-66-6  Residues (petroleum), alkylation splitter, C4-rich
 68513-67-7  Residues (petroleum), cyclooctadiene bottoms
 68513-68-8  Residues (petroleum), deethanizer tower
 68513-69-9  Residues (petroleum), steam-cracked light
 68513-74-6  Waste gases, ethylene oxide absorber-reactor
 68514-15-8  Gasoline, vapor-recovery
 68514-29-4  Hydrocarbons, amylene feed debutanizer overheads
              nonextractable raffinates
 68514-31-8  Hydrocarbons, C1-4
 68514-32-9  Hydrocarbons, C10 and C12, olefin-rich
 68514-33-0  Hydrocarbons, C12 and C14, olefin-rich
 68514-34-1  Hydrocarbons, C9-14, ethylene-manuf.-by-product
 68514-35-2  Hydrocarbons, C14-30, olefin-rich
 68514-38-5  Hydrocarbons, C4-10-unsatd.
 68514-36-3  Hydrocarbons, C1-4, sweetened
 68514-37-4  Hydrocarbons, C4-5-unsatd.
 68514-79-4  Petroleum products, hydrofiner-powerformer reformates
 68515-25-3  Benzene, C1-9-alkyl derivs.
 68515-26-4  Benzene, di-C12-14-alkyl derivs.
 68515-27-5  Benzene, di-C10-14-alkyl derivs., fractionation overheads,
              heavy ends
 68515-28-6  Benzene, di-C10-14-alkyl derivs., fractionation overheads,
              light ends
 68515-29-7  Benzene, di-C10-14-alkyl derivs., fractionation overheads,
              middle cut
 68515-30-0  Benzene, mono-C20-48-alkyl derivs.
 68515-32-2  Benzene, mono-C12-14-alkyl derivs., fractionation bottoms
 68515-33-3  Benzene, mono-C10-12-alkyl derivs., fractionation bottoms,
              heavy ends
 68515-34-4  Benzene, mono-C12-14-alkyl derivs., fractionation bottoms,
              heavy ends
 68515-35-5  Benzene, mono-C10-12-alkyl derivs., fractionation bottoms,
              light ends
 68515-36-6  Benzene, mono-C12-14-alkyl derivs., fractionation bottoms,
              light ends
 68516-20-1  Naphtha (petroleum), steam-cracked middle arom.
 68526-52-3  Alkenes, C6
 68526-53-4  Alkenes, C6-8, C7-rich
 68526-54-5  Alkenes, C7-9, C8-rich
 68526-55-6  Alkenes, C8-10, C9-rich
 68526-56-7  Alkenes, C9-11, C10-rich
 68526-57-8  Alkenes, C10-12, C11-rich
 68526-58-9  Alkenes, C11-13, C12-rich
 68526-77-2  Aromatic hydrocarbons, ethane cracking scrubber effluent
              and flare drum
 68526-99-8  Alkenes, C6-9 .alpha.-
 68527-00-4  Alkenes, C8-9 .alpha.-
 68527-11-7  Alkenes, C5
 68527-13-9  Gases (petroleum), acid, ethanolamine scrubber
 68527-14-0  Gases (petroleum), methane-rich off
 68527-15-1  Gases (petroleum), oil refinery gas distn. off
 68527-16-2  Hydrocarbons, C1-3
 68527-18-4  Gas oils (petroleum), steam-cracked
 68527-19-5  Hydrocarbons, C1-4, debutanizer fraction
 68527-21-9  Naphtha (petroleum), clay-treated full-range straight-run
 68527-22-0  Naphtha (petroleum), clay-treated light straight-run
 68527-23-1  Naphtha (petroleum), light steam-cracked arom.
 68527-26-4  Naphtha (petroleum), light steam-cracked, debenzenized
 68527-27-5  Naphtha (petroleum), full-range alkylate, butane-contg.
 68553-00-4  Fuel oil, no. 6
 68553-14-0  Hydrocarbons, C8-11
 68602-79-9  Distillates (petroleum), benzene unit hydrotreater
              dipentanizer overheads
 68602-81-3  Distillates, hydrocarbon resin prodn. higher boiling
 68602-82-4  Gases (petroleum), benzene unit hydrotreater depentenizer
              overheads
 68602-83-5  Gases (petroleum), C1-5, wet
 68602-84-6  Gases (petroleum), secondary absorber off, fluidized
              catalytic cracker overheads fractionater
 68602-96-0  Distillates (petroleum), oxidized light, strong acid
              components, compds. with diethanolamine
 68602-97-1  Distillates (petroleum), oxidized light, strong acid
              components, sodium salts
 68602-98-2  Distillates (petroleum), oxidized light, strong acid
              components
 68602-99-3  Distillates (petroleum), oxidized light, strong acid-free
 68603-00-9  Distillates (petroleum), thermal cracked naphtha and gas
              oil
 68603-01-0  Distillates (petroleum), thermal cracked naphtha and gas
              oil, C5-dimer-contg.
 68603-02-1  Distillates (petroleum), thermal cracked naphtha and gas
              oil, dimerized
 68603-03-2  Distillates (petroleum), thermal cracked naphtha and gas
              oil, extractive
 68603-08-7  Naphtha (petroleum), arom.-contg.
 68603-09-8  Hydrocarbon waxes (petroleum), oxidized, calcium salts
 68603-10-1  Hydrocarbon waxes (petroleum), oxidized, Me esters, barium
              salts
 68603-11-2  Hydrocarbon waxes (petroleum), oxidized, Me esters, calcium
              salts
 68603-12-3  Hydrocarbon waxes (petroleum), oxidized, Me esters, sodium
              salts
 68603-13-4  Petrolatum (petroleum), oxidized, ester with sorbitol
 68603-14-5  Residual oils (petroleum), oxidized, calcium salts
 68603-31-6  Alkenes, C10, tert-amylene concentrator by-product
 68603-32-7  Alkenes, C15-20 .alpha.-, isomerized
 68606-09-7  Fuel gases, expander off
 68606-10-0  Gasoline, pyrolysis, debutanizer bottoms
 68606-11-1  Gasoline, straight-run, topping-plant
 68606-24-6  Hydrocarbons, C4, butene concentrator by-product
 68606-25-7  Hydrocarbons, C2-4
 68606-26-8  Hydrocarbons, C3
 68606-27-9  Gases (petroleum), alkylation feed
 68606-28-0  Hydrocarbons, C5 and C10-aliph. and C6-8-arom.
 68606-31-5  Hydrocarbons, C3-5, butadiene purifn. by-product
 68606-34-8  Gases (petroleum), depropanizer bottoms fractionation off
 68606-36-0  Hydrocarbons, C5-unsatd. rich, isoprene purifn. by-product
 68607-11-4  Petroleum products, refinery gases
 68607-30-7  Residues (petroleum), topping plant, low-sulfur
 68608-56-0  Waste gases, from carbon black manuf.
 68647-60-9  Hydrocarbons, C>4
 68647-61-0  Hydrocarbons, C4-5, tert-amylene concentrator by-product
 68647-62-1  Hydrocarbons, C4-5, butene concentrator by-product, sour
 68650-36-2  Aromatic hydrocarbons, C8, o-xylene-lean
 68650-37-3  Paraffin waxes (petroleum), oxidized, sodium salts
 68782-97-8  Distillates (petroleum), hydrofined lubricating-oil
 68782-98-9  Extracts (petroleum), clarified oil solvent, condensed-ring-
              arom.-contg.
 68782-99-0  Extracts (petroleum), heavy clarified oil solvent,
              condensed-ring-arom.-contg.
 68783-00-6  Extracts (petroleum), heavy naphthenic distillate solvent,
              arom. conc.
 68783-01-7  Extracts (petroleum), heavy naphthenic distillate solvent,
              paraffinic conc.
 68783-02-8  Extracts (petroleum), intermediate clarified oil solvent,
              condensed-ring-arom.-contg.
 68783-04-0  Extracts (petroleum), solvent-refined heavy paraffinic
              distillate solvent
 68783-05-1  Gases (petroleum), ammonia-hydrogen sulfide, water-satd.
 68783-06-2  Gases (petroleum), hydrocracking low-pressure separator
 68783-07-3  Gases (petroleum), refinery blend
 68783-08-4  Gas oils (petroleum), heavy atmospheric
 68783-09-5  Naphtha (petroleum), catalytic cracked light distd.
 68783-12-0  Naphtha (petroleum), unsweetened
 68783-13-1  Residues (petroleum), coker scrubber, condensed-ring-arom.-
              contg.
 68783-15-3  Alkenes, C6-7 .alpha.-
 68783-61-9  Fuel gases, refinery, sweetened
 68783-62-0  Fuel gases, refinery, unsweetened
 68783-64-2  Gases (petroleum), catalytic cracking
 68783-65-3  Gases (petroleum), C2-4, sweetened
 68783-66-4  Naphtha (petroleum), light, sweetened
 68814-47-1  Waste gases, refinery vent
 68814-67-5  Gases (petroleum), refinery
 68814-89-1  Extracts (petroleum), heavy paraffinic distillates, solvent-
              deasphalted
 68814-87-9  Distillates (petroleum), full-range straight-run middle
 68814-90-4  Gases (petroleum), platformer products separator off
 68814-91-5  Alkenes, C5-9 .alpha.-
 68855-57-2  Alkenes, C6-12 .alpha.-
 68855-58-3  Alkenes, C10-16 .alpha.-
 68855-59-4  Alkenes, C14-18 .alpha.-
 68855-60-7  Alkenes, C14-20 .alpha.-
 68911-58-0  Gases (petroleum), hydrotreated sour kerosine depentanizer
              stabilizer off
 68911-59-1  Gases (petroleum), hydrotreated sour kerosine flash drum
 68915-96-8  Distillates (petroleum), heavy straight-run
 68915-97-9  Gas oils (petroleum), straight-run, high-boiling
 68918-69-4  Petrolatum (petroleum), oxidized, zinc salt
 68918-73-0  Residues (petroleum), clay-treating filter wash
 68918-93-4  Paraffin waxes and Hydrocarbon waxes, oxidized, alkali
              metal salts
 68918-98-9  Fuel gases, refinery, hydrogen sulfide-free
 68918-99-0  Gases (petroleum), crude oil fractionation off
 68919-00-6  Gases (petroleum), dehexanizer off
 68919-01-7  Gases (petroleum), distillate unifiner desulfurization
              stripper off
 68919-02-8  Gases (petroleum), fluidized catalytic cracker
              fractionation off
 68919-03-9  Gases (petroleum), fluidized catalytic cracker scrubbing
              secondary absorber off
 68919-04-0  Gases (petroleum), heavy distillate hydrotreater
              desulfurization stripper off
 68919-05-1  Gases (petroleum), light straight run gasoline
              fractionation stabilizer off
 68919-06-2  Gases (petroleum), naphtha unifiner desulfurization
              stripper off
 68919-07-3  Gases (petroleum), platformer stabilizer off, light ends
              fractionation
 68919-08-4  Gases (petroleum), preflash tower off, crude distn.
 68919-09-5  Gases (petroleum), straight-run naphtha catalytic reforming
              off
 68919-10-8  Gases (petroleum), straight-run stabilizer off
 68919-11-9  Gases (petroleum), tar stripper off
 68919-12-0  Gases (petroleum), unifiner stripper off
 68919-15-3  Hydrocarbons, C6-12, benzene-recovery
 68919-17-5  Hydrocarbons, C12-20, catalytic alkylation by-products
 68919-19-7  Gases (petroleum), fluidized catalytic cracker splitter
              residues
 68919-20-0  Gases (petroleum), fluidized catalytic cracker splitter
              overheads
 68919-37-9  Naphtha (petroleum), full-range reformed
 68920-06-9  Hydrocarbons, C7-9
 68920-07-0  Hydrocarbons, C<10-linear
 68920-64-9  Disulfides, di-C1-2-alkyl
 68921-07-3  Distillates (petroleum), hydrotreated light catalytic
              cracked
 68921-09-5  Distillates (petroleum), naphtha unifiner stripper
 68921-08-4  Distillates (petroleum), light straight-run gasoline
              fractionation stabilizer overheads
 68921-67-5  Hydrocarbons, ethylene-manuf.-by-product distn. residues
 68952-76-1  Gases (petroleum), catalytic cracked naphtha debutanizer
 68952-77-2  Tail gas (petroleum), catalytic cracked distillate and
              naphtha stabilizer
 68952-78-3  Tail gas (petroleum), catalytic hydrodesulfurized
              distillate fractionation stabilizer, hydrogen sulfide-free
 68952-79-4  Tail gas (petroleum), catalytic hydrodesulfurized naphtha
              separator
 68952-80-7  Tail gas (petroleum), straight-run naphtha
              hydrodesulfurizer
 68952-81-8  Tail gas (petroleum), thermal-cracked distillate, gas oil
              and naphtha absorber
 68952-82-9  Tail gas (petroleum), thermal cracked hydrocarbon
              fractionation stabilizer, petroleum coking
 68953-80-0  Benzene, mixed with toluene, dealkylation product
 68955-27-1  Distillates (petroleum), petroleum residues vacuum
 68955-28-2  Gases (petroleum), light steam-cracked, butadiene conc.
 68955-31-7  Gases (petroleum), butadiene process, inorg.
 68955-32-8  Natural gas, substitute, steam-reformed desulfurized
              naphtha
 68955-33-9  Gases (petroleum), sponge absorber off, fluidized catalytic
              cracker and gas oil desulfurizer overhead fractionation
 68955-34-0  Gases (petroleum), straight-run naphtha catalytic reformer
              stabilizer overhead
 68955-35-1  Naphtha (petroleum), catalytic reformed
 68955-36-2  Residues (petroleum), steam-cracked, resinous
 68955-76-0  Aromatic hydrocarbons, C9-16, biphenyl deriv.-rich
 68955-96-4  Disulfides, dialkyl and di-Ph, naphtha sweetening
 68956-47-8  Fuel oil, isoprene reject absorption
 68956-48-9  Fuel oil, residual, wastewater skimmings
 68956-52-5  Hydrocarbons, C4-8
 68956-54-7  Hydrocarbons, C4-unsatd.
 68956-55-8  Hydrocarbons, C5-unsatd.
 68956-70-7  Petroleum products, C5-12, reclaimed, wastewater treatment
 68988-79-4  Benzene, C10-12-alkyl derivs., distn. residues
 68988-99-8  Phenols, sodium salts, mixed with sulfur compounds,
              gasoline alk. scrubber residues
 68989-88-8  Gases (petroleum), crude distn. and catalytic cracking
 68990-35-2  Distillates (petroleum), arom., hydrotreated,
              dicyclopentadiene-rich
 68991-49-1  Alkanes, C10-13, arom.-free desulfurized
 68991-50-4  Alkanes, C14-17, arom.-free desulfurized
 68991-51-5  Alkanes, C10-13, desulfurized
 68991-52-6  Alkenes, C10-16
 69013-21-4  Fuel oil, pyrolysis
 69029-75-0  Oils, reclaimed
 69430-33-7  Hydrocarbons, C6-30
 70024-88-3  Ethene, thermal cracking products
 70528-71-1  Distillates (petroleum), heavy distillate solvent ext.
              heart-cut
 70528-72-2  Distillates (petroleum), heavy distillate solvent ext.
              vacuum overheads
 70528-73-3  Residues (petroleum), heavy distillate solvent ext. vacuum
 70592-76-6  Distillates (petroleum), intermediate vacuum
 70592-77-7  Distillates (petroleum), light vacuum
 70592-78-8  Distillates (petroleum), vacuum
 70592-79-9  Residues (petroleum), atm. tower, light
 70693-00-4  Hydrocarbon waxes (petroleum), oxidized, sodium salts
 70693-06-0  Aromatic hydrocarbons, C9-11
 70913-85-8  Residues (petroleum), solvent-extd. vacuum distilled atm.
              residuum
 70913-86-9  Alkanes, C18-70
 70955-08-7  Alkanes, C4-6
 70955-09-8  Alkenes, C13-14 .alpha.-
 70955-10-1  Alkenes, C15-18 .alpha.-
 70955-17-8  Aromatic hydrocarbons, C12-20
 71243-66-8  Hydrocarbon waxes (petroleum), clay-treated, microcryst.,
              oxidized, potassium salts
 71302-82-4  Hydrocarbons, C5-8, Houdry butadiene manuf. by-product
 71329-37-8  Residues (petroleum), catalytic cracking depropanizer, C4-
              rich
 71808-30-5  Tail gas (petroleum), thermal cracking absorber
 72230-71-8  Distillates (petroleum), cracked steam-cracked, C5-17
              fraction
 72623-83-7  Lubricating oils (petroleum), C>25, hydrotreated bright
              stock-based
 72623-84-8  Lubricating oils (petroleum), C15-30, hydrotreated neutral
              oil-based, contg. solvent deasphalted residual oil
 72623-85-9  Lubricating oils (petroleum), C20-50, hydrotreated neutral
              oil-based, high-viscosity
 72623-86-0  Lubricating oils (petroleum), C15-30, hydrotreated neutral
              oil-based
 72623-87-1  Lubricating oils (petroleum), C20-50, hydrotreated neutral
              oil-based
 93762-80-2  Alkenes, C15-18
------------------------------------------------------------------------

(2) Specific exempted chemical substances -- (i) Exemption. EPA has determined that, at this time, the information in §710.52(c)(4) associated with the chemicals listed in paragraph (b)(2)(iv) of this section is of low current interest.

(ii) Considerations. In making its determination of whether this partial exemption should apply to a particular chemical substance, EPA will consider the totality of information available for the chemical substance in question, including but not limited to, one or more of the following considerations:

(A) Whether the chemical qualifies or has qualified in past IUR collections for the reporting of the information described in §710.52(c)(4) (i.e., at least one site manufactures 300,000 pounds or more of the chemical).

(B) The chemical substance's chemical and physical properties or potential for persistence, bioaccumulation, health effects, or environmental effects (considered independently or together).

(C) The information needs of EPA, other federal agencies, tribes, states, and local governments, as well as members of the public.

(D) The availability of other complementary risk screening information.

(E) The availability of comparable processing and use information.

(F) Whether the potential risks of the chemical substance are adequately managed by EPA or another agency or authority.

(iii) Amendments. EPA may amend the chemical list in paragraph (b)(2)(iv) of this section on its own initiative or in response to a request from the public based on EPA's determination of whether the information in §710.52(c)(4) is of low interest.

(A) Any person may request that EPA amend the chemical list in paragraph (b)(2)(iv) of this section. Your request must be in writing and must be submitted to the address provided in §710.59(d). Requests must identify the chemical in question, as well as its CAS Number or other chemical identification number as identified in §710.52(c)(3)(i). Your request should provide sufficient information for EPA to determine whether collection of the information in §710.52(c)(4) for the chemical in question is of low interest. In preparing your request, please refer to the considerations outlined in paragraph (b)(2)(ii) of this section. If a request related to a particular chemical is resubmitted, any subsequent request must clearly identify new information contained in the request. EPA may request other information that it believes necessary to evaluate the request. EPA will issue a written response to each request within 120 days of receipt of the request, and will maintain copies of these responses in a public docket that will be established for each reporting cycle.

(B) As needed, the Agency will initiate rulemaking to make revisions to the list in paragraph (b)(2)(iv) of this section.

(C) To assist EPA in reaching a decision regarding a particular request prior to a given reporting year, requests must be submitted to EPA no later than 12 months prior to the start of the reporting year, i.e., by January 1, 2004, or by each January 1 at 4-year intervals thereafter.

(iv) List of chemical substances. EPA has designated the following chemical substances, listed by CAS Number, as partially exempt from reporting under the IUR.

    CAS Numbers of Partially Exempt Chemical Substances Under §
                              710.46(b)(2)
------------------------------------------------------------------------
  CAS No.                              Chemical
------------------------------------------------------------------------
    50-70-4  D-Glucitol
    50-81-7  L-Ascorbic acid
    50-99-7  D-Glucose
    56-87-1  L-Lysine
    57-50-1  .alpha.-D-Glucopyranoside, .beta.-D-fructofuranosyl
    58-95-7  2H-1-Benzopyran-6-ol, 3,4-dihydro-2,5,7,8-tetramethyl-2-
              [(4R,8R)-4,8,12- trimethyltridecyl]-, acetate, (2R)-
    59-02-9  2H-1-Benzopyran-6-ol, 3,4-dihydro-2,5,7,8-tetramethyl-2-
              [(4R,8R)-4,8,12- trimethyltridecyl]-, (2R)-
    59-51-8  Methionine
    69-65-8  D-Mannitol
    87-79-6  L-Sorbose
   123-94-4  Octadecanoic acid, 2,3-dihydroxypropyl ester
   124-38-9  Carbon dioxide
   137-08-6  .beta.-Alanine, N-[(2R)-2,4-dihydroxy-3,3-dimethyl-1-
              oxobutyl]-, calcium alt (2:1)
   142-47-2  L-Glutamic acid, monosodium salt
   150-30-1  Phenylalanine
  1317-65-3  Limestone
  1333-74-0  Hydrogen
  1592-23-0  Octadecanoic acid, calcium salt
  7440-37-1  Argon
  7440-44-0  Carbon
  7727-37-9  Nitrogen
  7782-42-5  Graphite
  7782-44-7  Oxygen
  8001-21-6  Sunflower oil
  8001-22-7  Soybean oil
  8001-23-8  Safflower oil
  8001-26-1  Linseed oil
  8001-29-4  Cottonseed oil
  8001-30-7  Corn oil
  8001-31-8  Coconut oil
  8001-78-3  Castor oil, hydrogenated
  8001-79-4  Castor oil
  8002-03-7  Peanut oil
  8002-13-9  Rape oil
  8002-43-5  Lecithins
  8002-75-3  Palm oil
  8006-54-0  Lanolin
  8016-28-2  Lard, oil
  8016-70-4  Soybean oil, hydrogenated
  8021-99-6  Charcoal, bone
  8029-43-4  Syrups, hydrolyzed starch
  9004-53-9  Dextrin
  9005-25-8  Starch
  9050-36-6  Maltodextrin
 11103-57-4  Vitamin A
 16291-96-6  Charcoal
 26836-47-5  D-Glucitol, monooctadecanoate
 61789-44-4  Fatty acids, castor-oil
 61789-97-7  Tallow
 61789-99-9  Lard
 64147-40-6  Castor oil, dehydrated
 64755-01-7  Fatty acids, tallow, calcium salts
 65996-63-6  Starch, acid-hydrolyzed
 65996-64-7  Starch, enzyme-hydrolyzed
 67701-01-3  Fatty acids, C12-18
 68002-85-7  Fatty acids, C14-22 and C16-22-unsatd.
 68131-37-3  Syrups, hydrolyzed starch, dehydrated
 68188-81-8  Grease, poultry
 68308-54-3  Glycerides, tallow mono-, di- and tri-, hydrogenated
 68334-00-9  Cottonseed oil, hydrogenated
 68334-28-1  Fats and glyceridic oils, vegetable, hydrogenated
 68409-76-7  Bone meal, steamed
 68424-45-3  Fatty acids, linseed-oil
 68424-61-3  Glycerides, C16-18 and C18-unsatd. mono- and di-
 68425-17-2  Syrups, hydrolyzed starch, hydrogenated
 68439-86-1  Bone, ash
 68442-69-3  Benzene, mono-C10-14-alkyl derivs.
 68476-78-8  Molasses
 68514-27-2  Grease, catch basin
 68514-74-9  Palm oil, hydrogenated
 68525-87-1  Corn oil, hydrogenated
 68648-86-2  Benzene, C14-16-alkyl derivs.
 68648-87-3  Benzene, C10-16-alkyl derivs.
 68918-42-3  Soaps, stocks, soya
 68952-94-3  Soaps, stocks, vegetable-oil
 68989-98-0  Fats and glyceridic oils, vegetable, residues
 73138-67-7  Lard, hydrogenated
129813-58-7  Benzene, mono-C10-13-alkyl derivs.
129813-59-8  Benzene, mono-C12-14-alkyl derivs.
129813-60-1  Benzene, mono-C14-16-alkyl derivs.
------------------------------------------------------------------------

(3) Inorganic chemical substances. For purposes of this subpart, an inorganic chemical substance is any chemical substance which does not contain carbon or contains carbon only in the form of carbonato [=CO3], cyano [--CN], cyanato [--OCN], isocyano [--NC], or isocyanato [--NCO] groups or the chalcogen analogues of such groups. During the 2006 submission period, manufacturers are excluded only from the reporting requirements under §710.52(c)(4) for inorganic chemical substances. During the 2006 submission period, manufacturers of inorganic chemical substances are not excluded from the other reporting requirements under this part. During submission periods following the 2006 submission period, manufacturers of inorganic chemical substances are subject to all of the reporting requirements in this subpart.


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