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e-CFR data is current as of October 27, 2020

Title 40Chapter ISubchapter D → Part 117

Title 40: Protection of Environment



Subpart A—General Provisions

§117.1   Definitions.
§117.2   Abbreviations.
§117.3   Determination of reportable quantities.

Subpart B—Applicability

§117.11   General applicability.
§117.12   Applicability to discharges from facilities with NPDES permits.
§117.13   Applicability to discharges from publicly owned treatment works and their users.
§117.14   Demonstration projects.

Subpart C—Notice of Discharge of a Reportable Quantity

§117.21   Notice.
§117.23   Liabilities for removal.

Authority: 33 U.S.C. 1251 et seq., and Executive Order 11735, superseded by Executive Order 12777, 56 FR 54757.

Source: 44 FR 50776, Aug. 29, 1979, unless otherwise noted.

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Subpart A—General Provisions

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§117.1   Definitions.

As used in this part, all terms shall have the meanings stated in 40 CFR part 116.

(a) Reportable quantities means quantities that may be harmful as set forth in §117.3, the discharge of which is a violation of section 311(b)(3) and requires notice as set forth in §117.21.

(b) Administrator means the Administrator of the Environmental Protection Agency (“EPA”).

(c) Mobile source means any vehicle, rolling stock, or other means of transportation which contains or carries a reportable quantity of a hazardous substance.

(d) Public record means the NPDES permit application or the NPDES permit itself and the materials comprising the administrative record for the permit decision specified in §124.18 of this chapter.

(e) National Pretreatment Standard or Pretreatment Standard means any regulation containing pollutant discharge limits promulgated by the EPA in accordance with section 307 (b) and (c) of the Act, which applies to industrial users of a publicly owned treatment works. It further means any State or local pretreatment requirement applicable to a discharge and which is incorporated into a permit issued to a publicly owned treatment works under section 402 of the Act.

(f) Publicly Owned Treatment Works or POTW means a treatment works as defined by section 212 of the Act, which is owned by a State or municipality (as defined by section 502(4) of the Act). This definition includes any sewers that convey wastewater to such a treatment works, but does not include pipes, sewers or other conveyances not connected to a facility providing treatment. The term also means the municipality as defined in section 502(4) of the Act, which has jurisdiction over the indirect discharges to and the discharges from such a treatment works.

(g) Remove or removal refers to removal of the oil or hazardous substances from the water and shoreline or the taking of such other actions as may be necessary to minimize or mitigate damage to the public health or welfare, including, but not limited to, fish, shellfish, wildlife, and public and private property, shorelines, and beaches.

(h) Contiguous zone means the entire zone established by the United States under Article 24 of the Convention on the Territorial Sea and Contiguous Zone.

(i) Navigable waters means “waters of the United States, including the territorial seas,” as defined in §120.2 of this chapter.

(j) Process waste water means any water which, during manufacturing or processing, comes into direct contact with or results from the production or use of any raw material, intermediate product, finished product, byproduct, or waste product.

[44 FR 50776, Aug. 29, 1979, as amended at 58 FR 45039, Aug. 25, 1993; 65 FR 30904, May 15, 2000; 80 FR 37112, June 29, 2015; 83 FR 5208, Feb. 6, 2018; 84 FR 56668, Oct. 22, 2019; 85 FR 22340, Apr. 21, 2020]

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§117.2   Abbreviations.

NPDES equals National Pollutant Discharge Elimination System. RQ equals reportable quantity.

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§117.3   Determination of reportable quantities.

Each substance in Table 117.3 that is listed in Table 302.4, 40 CFR part 302, is assigned the reportable quantity listed in Table 302.4 for that substance.

Table 117.3—Reportable Quantities of Hazardous Substances Designated Pursuant to Section 311 of the Clean Water Act

Note: The first number under the column headed “RQ” is the reportable quantity in pounds. The number in parentheses is the metric equivalent in kilograms. For convenience, the table contains a column headed “Category” which lists the code letters “X”, “A”, “B”, “C”, and “D” associated with reportable quantities of 1, 10, 100, 1000, and 5000 pounds, respectively.

Table 117.3—Reportable Quantities of Hazardous Substances Designated Pursuant to Section 311 of the Clean Water Act

Material Category RQ in pounds (kilograms)
AcetaldehydeC1,000 (454)
Acetic acidD5,000 (2,270)
Acetic anhydrideD5,000 (2,270)
Acetone cyanohydrinA10 (4.54)
Acetyl bromideD5,000 (2,270)
Acetyl chlorideD5,000 (2,270)
AcroleinX1 (0.454)
AcrylonitrileB100 (45.4)
Adipic acidD5,000 (2,270)
AldrinX1 (0.454)
Allyl alcoholB100 (45.4)
Allyl chlorideC1,000 (454)
Aluminum sulfateD5,000 (2,270)
AmmoniaB100 (45.4)
Ammonium acetateD5,000 (2,270)
Ammonium benzoateD5,000 (2,270)
Ammonium bicarbonateD5,000 (2,270)
Ammonium bichromateA10 (4.54)
Ammonium bifluorideB100 (45.4)
Ammonium bisulfiteD5,000 (2,270)
Ammonium carbamateD5,000 (2,270)
Ammonium carbonateD5,000 (2,270)
Ammonium chlorideD5,000 (2,270)
Ammonium chromateA10 (4.54)
Ammonium citrate dibasicD5,000 (2,270)
Ammonium fluoborateD5,000 (2,270)
Ammonium fluorideB100 (45.4)
Ammonium hydroxideC1,000 (454)
Ammonium oxalateD5,000 (2,270)
Ammonium silicofluorideC1,000 (454)
Ammonium sulfamateD5,000 (2,270)
Ammonium sulfideB100 (45.4)
Ammonium sulfiteD5,000 (2,270)
Ammonium tartrateD5,000 (2,270)
Ammonium thiocyanateD5,000 (2,270)
Amyl acetateD5,000 (2,270)
AnilineD5,000 (2,270)
Antimony pentachlorideC1,000 (454)
Antimony potassium tartrateB100 (45.4)
Antimony tribromideC1,000 (454)
Antimony trichlorideC1,000 (454)
Antimony trifluorideC1,000 (454)
Antimony trioxideC1,000 (454)
Arsenic disulfideX1 (0.454)
Arsenic pentoxideX1 (0.454)
Arsenic trichlorideX1 (0.454)
Arsenic trioxideX1 (0.454)
Arsenic trisulfideX1 (0.454)
Barium cyanideA10 (4.54)
BenzeneA10 (4.54)
Benzoic acidD5,000 (2,270)
BenzonitrileD5,000 (2,270)
Benzoyl chlorideC1,000 (454)
Benzyl chlorideB100 (45.4)
Beryllium chlorideX1 (0.454)
Beryllium fluorideX1 (0.454)
Beryllium nitrateX1 (0.454)
Butyl acetateD5,000 (2,270)
ButylamineC1,000 (454)
n-Butyl phthalateA10 (4.54)
Butyric acidD5,000 (2,270)
Cadmium acetateA10 (4.54)
Cadmium bromideA10 (4.54)
Cadmium chlorideA10 (4.54)
Calcium arsenateX1 (0.454)
Calcium arseniteX1 (0.454)
Calcium carbideA10 (4.54)
Calcium chromateA10 (4.54)
Calcium cyanideA10 (4.54)
Calcium dodecylbenzenesulfonateC1,000 (454)
Calcium hypochloriteA10 (4.54)
CaptanA10 (4.54)
CarbarylB100 (45.4)
CarbofuranA10 (4.54)
Carbon disulfideB100 (45.4)
Carbon tetrachlorideA10 (4.54)
ChlordaneX1 (0.454)
ChlorineA10 (4.54)
ChlorobenzeneB100 (45.4)
ChloroformA10 (4.54)
Chlorosulfonic acidC1,000 (454)
ChlorpyrifosX1 (0.454)
Chromic acetateC1,000 (454)
Chromic acidA10 (4.54)
Chromic sulfateC1,000 (454)
Chromous chlorideC1,000 (454)
Cobaltous bromideC1,000 (454)
Cobaltous formateC1,000 (454)
Cobaltous sulfamateC1,000 (454)
CoumaphosA10 (4.54)
CresolB100 (45.4)
CrotonaldehydeB100 (45.4)
Cupric acetateB100 (45.4)
Cupric acetoarseniteX1 (0.454)
Cupric chlorideA10 (4.54)
Cupric nitrateB100 (45.4)
Cupric oxalateB100 (45.4)
Cupric sulfateA10 (4.54)
Cupric sulfate, ammoniatedB100 (45.4)
Cupric tartrateB100 (45.4)
Cyanogen chlorideA10 (4.54)
CyclohexaneC1,000 (454)
2,4-D AcidB100 (45.4)
2,4-D EstersB100 (45.4)
DDTX1 (0.454)
DiazinonX1 (0.454)
DicambaC1,000 (454)
DichlobenilB100 (45.4)
DichloneX1 (0.454)
DichlorobenzeneB100 (45.4)
DichloropropaneC1,000 (454)
DichloropropeneB100 (45.4)
Dichloropropene-Dichloropropane (mixture)B100 (45.4)
2,2-Dichloropropionic acidD5,000 (2,270)
DichlorvosA10 (4.54)
DicofolA10 (4.54)
DieldrinX1 (0.454)
DiethylamineB100 (45.4)
DimethylamineC1,000 (454)
Dinitrobenzene (mixed)B100 (45.4)
DinitrophenolA10 (45.4)
DinitrotolueneA10 (4.54)
DiquatC1,000 (454)
DisulfotonX1 (0.454)
DiuronB100 (45.4)
Dodecylbenzenesulfonic acidC1,000 (454)
EndosulfanX1 (0.454)
EndrinX1 (0.454)
EpichlorohydrinB100 (45.4)
EthionA10 (4.54)
EthylbenzeneC1,000 (454)
EthylenediamineD5,000 (2,270)
Ethylenediamine-tetraacetic acid (EDTA)D5,000 (2,270)
Ethylene dibromideX1 (0.454)
Ethylene dichlorideB100 (45.4)
Ferric ammonium citrateC1,000 (454)
Ferric ammonium oxalateC1,000 (454)
Ferric chlorideC1,000 (454)
Ferric fluorideB100 (45.4)
Ferric nitrateC1,000 (454)
Ferric sulfateC1,000 (454)
Ferrous ammonium sulfateC1,000 (454)
Ferrous chlorideB100 (45.4)
Ferrous sulfateC1,000 (454)
FormaldehydeB100 (45.4)
Formic acidD5,000 (2,270)
Fumaric acidD5,000 (2,270)
FurfuralD5,000 (2,270)
GuthionX1 (0.454)
HeptachlorX1 (0.454)
HexachlorocyclopentadieneA10 (4.54)
Hydrochloric acidD5,000 (2,270)
Hydrofluoric acidB100 (45.4)
Hydrogen cyanideA10 (4.54)
Hydrogen sulfideB100 (45.4)
IsopreneB100 (45.4)
Isopropanolamine dodecylbenzenesulfonateC1,000 (454)
KeponeX1 (0.454)
Lead acetateA10 (4.54)
Lead arsenateX1 (0.454)
Lead chlorideA10 (4.54)
Lead fluoborateA10 (4.54)
Lead fluorideA10 (4.54)
Lead iodideA10 (4.54)
Lead nitrateA10 (4.54)
Lead stearateA10 (4.54)
Lead sulfateA10 (4.54)
Lead sulfideA10 (4.54)
Lead thiocyanateA10 (4.54)
LindaneX1 (0.454)
Lithium chromateA10 (4.54)
MalathionB100 (45.4)
Maleic acidD5,000 (2,270)
Maleic anhydrideD5,000 (2,270)
MercaptodimethurA10 (4.54)
Mercuric cyanideX1 (0.454)
Mercuric nitrateA10 (4.54)
Mercuric sulfateA10 (4.54)
Mercuric thiocyanateA10 (4.54)
Mercurous nitrateA10 (4.54)
MethoxychlorX1 (0.454)
Methyl mercaptanB100 (45.4)
Methyl methacrylateC1,000 (454)
Methyl parathionB100 (45.4)
MevinphosA10 (4.54)
MexacarbateC1,000 (454)
MonoethylamineB100 (45.4)
MonomethylamineB100 (45.4)
NaledA10 (4.54)
NaphthaleneB100 (45.4)
Naphthenic acidB100 (45.4)
Nickel ammonium sulfateB100 (45.4)
Nickel chlorideB100 (45.4)
Nickel hydroxideA10 (4.54)
Nickel nitrateB100 (45.4)
Nickel sulfateB100 (45.4)
Nitric acidC1,000 (454)
NitrobenzeneC1,000 (454)
Nitrogen dioxideA10 (4.54)
Nitrophenol (mixed)B100 (45.4)
NitrotolueneC1,000 (454)
ParaformaldehydeC1,000 (454)
ParathionA10 (4.54)
PentachlorophenolA10 (4.54)
PhenolC1,000 (454)
PhosgeneA10 (4.54)
Phosphoric acidD5,000 (2,270)
PhosphorusX1 (0.454)
Phosphorus oxychlorideC1,000 (454)
Phosphorus pentasulfideB100 (45.4)
Phosphorus trichlorideC1,000 (454)
Polychlorinated biphenylsX1 (0.454)
Potassium arsenateX1 (0.454)
Potassium arseniteX1 (0.454)
Potassium bichromateA10 (4.54)
Potassium chromateA10 (4.54)
Potassium cyanideA10 (4.54)
Potassium hydroxideC1,000 (454)
Potassium permanganateB100 (45.4)
PropargiteA10 (4.54)
Propionic acidD5,000 (2,270)
Propionic anhydrideD5,000 (2,270)
Propylene oxideB100 (45.4)
PyrethrinsX1 (0.454)
QuinolineD5,000 (2,270)
ResorcinolD5,000 (2,270)
Selenium oxideA10 (4.54)
Silver nitrateX1 (0.454)
SodiumA10 (4.54)
Sodium arsenateX1 (0.454)
Sodium arseniteX1 (0.454)
Sodium bichromateA10 (4.54)
Sodium bifluorideB100 (45.4)
Sodium bisulfiteD5,000 (2,270)
Sodium chromateA10 (4.54)
Sodium cyanideA10 (4.54)
Sodium dodecylbenzenesulfonateC1,000 (454)
Sodium fluorideC1,000 (454)
Sodium hydrosulfideD5,000 (2,270)
Sodium hydroxideC1,000 (454)
Sodium hypochloriteB100 (45.4)
Sodium methylateC1,000 (454)
Sodium nitriteB100 (45.4)
Sodium phosphate, dibasicD5,000 (2,270)
Sodium phosphate, tribasicD5,000 (2,270)
Sodium seleniteB100 (45.4)
Strontium chromateA10 (4.54)
StrychnineA10 (4.54)
StyreneC1,000 (454)
Sulfuric acidC1,000 (454)
Sulfur monochlorideC1,000 (454)
2,4,5-T acidC1,000 (454)
2,4,5-T aminesD5,000 (2,270)
2,4,5-T estersC1,000 (454)
2,4,5-T saltsC1,000 (454)
TDEX1 (0.454)
2,4,5-TP acidB100 (45.4)
2,4,5-TP acid estersB100 (45.4)
Tetraethyl leadA10 (4.54)
Tetraethyl pyrophosphateA10 (4.54)
Thallium sulfateB100 (45.4)
TolueneC1,000 (454)
ToxapheneX1 (0.454)
TrichlorfonB100 (45.4)
TrichloroethyleneB100 (45.4)
TrichlorophenolA10 (4.54)
Triethanolamine dodecylbenzenesulfonateC1,000 (454)
TriethylamineD5,000 (2,270)
TrimethylamineB100 (45.4)
Uranyl acetateB100 (45.4)
Uranyl nitrateB100 (45.4)
Vanadium pentoxideC1,000 (454)
Vanadyl sulfateC1,000 (454)
Vinyl acetateD5,000 (2,270)
Vinylidene chlorideB100 (45.4)
Xylene (mixed)B100 (45.4)
XylenolC1,000 (454)
Zinc acetateC1,000 (454)
Zinc ammonium chlorideC1,000 (454)
Zinc borateC1,000 (454)
Zinc bromideC1,000 (454)
Zinc carbonateC1,000 (454)
Zinc chlorideC1,000 (454)
Zinc cyanideA10 (4.54)
Zinc fluorideC1,000 (454)
Zinc formateC1,000 (454)
Zinc hydrosulfiteC1,000 (454)
Zinc nitrateC1,000 (454)
Zinc phenolsulfonateD5,000 (2,270)
Zinc phosphideB100 (45.4)
Zinc silicofluorideD5,000 (2,270)
Zinc sulfateC1,000 (454)
Zirconium nitrateD5,000 (2,270)
Zirconium potassium fluorideC1,000 (454)
Zirconium sulfateD5,000 (2,270)
Zirconium tetrachlorideD5,000 (2,270)

[50 FR 13513, Apr. 4, 1985, as amended at 51 FR 34547, Sept. 29, 1986; 54 FR 33482, Aug. 14, 1989; 58 FR 35327, June 30, 1993; 60 FR 30937, June 12, 1995]

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Subpart B—Applicability

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§117.11   General applicability.

This regulation sets forth a determination of the reportable quantity for each substance designated as hazardous in 40 CFR part 116. The regulation applies to quantities of designated substances equal to or greater than the reportable quantities, when discharged into or upon the navigable waters of the United States, adjoining shorelines, into or upon the contiguous zone, or beyond the contiguous zone as provided in section 311(b)(3) of the Act, except to the extent that the owner or operator can show such that discharges are made:

(a) In compliance with a permit issued under the Marine Protection, Research and Sanctuaries Act of 1972 (33 U.S.C. 1401 et seq.);

(b) In compliance with approved water treatment plant operations as specified by local or State regulations pertaining to safe drinking water;

(c) Pursuant to the label directions for application of a pesticide product registered under section 3 or section 24 of the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA), as amended (7 U.S.C. 136 et seq.), or pursuant to the terms and conditions of an experimental use permit issued under section 5 of FIFRA, or pursuant to an exemption granted under section 18 of FIFRA;

(d) In compliance with the regulations issued under section 3004 or with permit conditions issued pursuant to section 3005 of the Resource Conservation and Recovery Act (90 Stat. 2795; 42 U.S.C. 6901);

(e) In compliance with instructions of the On-Scene Coordinator pursuant to 40 CFR part 1510 (the National Oil and Hazardous Substances Pollution Plan) or 33 CFR 153.10(e) (Pollution by Oil and Hazardous Substances) or in accordance with applicable removal regulations as required by section 311(j)(1)(A);

(f) In compliance with a permit issued under §165.7 of Title 14 of the State of California Administrative Code;

(g) From a properly functioning inert gas system when used to provide inert gas to the cargo tanks of a vessel;

(h) From a permitted source and are excluded by §117.12 of this regulation;

(i) To a POTW and are specifically excluded or reserved in §117.13; or

(j) In compliance with a permit issued under section 404(a) of the Clean Water Act or when the discharges are exempt from such requirements by section 404(f) or 404(r) of the Act (33 U.S.C. 1344(a), (f), (r)).

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§117.12   Applicability to discharges from facilities with NPDES permits.

(a) This regulation does not apply to:

(1) Discharges in compliance with a permit under section 402 of this Act;

(2) Discharges resulting from circumstances identified, reviewed and made a part of the public record with respect to a permit issued or modified under section 402 of this Act, and subject to a condition in such permit;

(3) Continuous or anticipated intermittent discharges from a point source, identified in a permit or permit application under section 402 of this Act, which are caused by events occurring within the scope of the relevant operating or treatment systems; or

(b) A discharge is “in compliance with a permit issued under section 402 of this Act” if the permit contains an effluent limitation specifically applicable to the substance discharged or an effluent limitation applicable to another waste parameter which has been specifically identified in the permit as intended to limit such substance, and the discharge is in compliance with the effluent limitation.

(c) A discharge results “from circumstances identified, reviewed and made a part of the public record with respect to a permit issued or modified under section 402 of the Act, and subject to a condition in such permit,” whether or not the discharge is in compliance with the permit, where:

(1) The permit application, the permit, or another portion of the public record contains documents that specifically identify:

(i) The substance and the amount of the substance; and

(ii) The origin and source of the substance; and

(iii) The treatment which is to be provided for the discharge either by:

(A) An on-site treatment system separate from any treatment system treating the permittee's normal discharge; or

(B) A treatment system designed to treat the permittee's normal discharge and which is additionally capable of treating the identified amount of the identified substance; or

(C) Any combination of the above; and

(2) The permit contains a requirement that the substance and amounts of the substance, as identified in §117.12(c)(1)(i) and §117.12(c)(1)(ii) be treated pursuant to §117.12(c)(1)(iii) in the event of an on-site release; and

(3) The treatment to be provided is in place.

(d) A discharge is a “continuous or anticipated intermittent discharge from a point source, identified in a permit or permit application under section 402 of this Act, and caused by events occurring within the scope of the relevant operating or treatment systems,” whether or not the discharge is in compliance with the permit, if:

(1) The hazardous substance is discharged from a point source for which a valid permit exists or for which a permit application has been submitted; and

(2) The discharge of the hazardous substance results from:

(i) The contamination of noncontact cooling water or storm water, provided that such cooling water or storm water is not contaminated by an on-site spill of a hazardous substance; or

(ii) A continuous or anticipated intermittent discharge of process waste water, and the discharge originates within the manufacturing or treatment systems; or

(iii) An upset or failure of a treatment system or of a process producing a continuous or anticipated intermittent discharge where the upset or failure results from a control problem, an operator error, a system failure or malfunction, an equipment or system startup or shutdown, an equipment wash, or a production schedule change, provided that such upset or failure is not caused by an on-site spill of a hazardous substance.

[44 FR 50776, Aug. 29, 1979, as amended at 44 FR 58910, Oct. 12, 1979]

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§117.13   Applicability to discharges from publicly owned treatment works and their users.

(a) [Reserved]

(b) These regulations apply to all discharges of reportable quantities to a POTW, where the discharge originates from a mobile source, except where such source has contracted with, or otherwise received written permission from the owners or operators of the POTW to discharge that quantity, and the mobile source can show that prior to accepting the substance from an industrial discharger, the substance had been treated to comply with any effluent limitation under sections 301, 302 or 306 or pretreatment standard under section 307 applicable to that facility.

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§117.14   Demonstration projects.

Notwithstanding any other provision of this part, the Administrator of the Environmental Protection Agency may, on a case-by-case basis, allow the discharge of designated hazardous substances in connection with research or demonstration projects relating to the prevention, control, or abatement of hazardous substance pollution. The Administrator will allow such a discharge only where he determines that the expected environmental benefit from such a discharge will outweigh the potential hazard associated with the discharge.

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Subpart C—Notice of Discharge of a Reportable Quantity

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§117.21   Notice.

Any person in charge of a vessel or an onshore or an offshore facility shall, as soon as he has knowledge of any discharge of a designated hazardous substance from such vessel or facility in quantities equal to or exceeding in any 24-hour period the reportable quantity determined by this part, immediately notify the appropriate agency of the United States Government of such discharge. Notice shall be given in accordance with such procedures as the Secretary of Transportation has set forth in 33 CFR 153.203. This provision applies to all discharges not specifically excluded or reserved by another section of these regulations.

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§117.23   Liabilities for removal.

In any case where a substance designated as hazardous in 40 CFR part 116 is discharged from any vessel or onshore or offshore facility in a quantity equal to or exceeding the reportable quantity determined by this part, the owner, operator or person in charge will be liable, pursuant to section 311 (f) and (g) of the Act, to the United States Government for the actual costs incurred in the removal of such substance, subject only to the defenses and monetary limitations enumerated in section 311 (f) and (g) of the Act.

The Administrator may act to mitigate the damage to the public health or welfare caused by a discharge and the cost of such mitigation shall be considered a cost incurred under section 311(c) for the removal of that substance by the United States Government.

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