CCLME.ORG - 40 CFR PART 415—INORGANIC CHEMICALS MANUFACTURING POINT SOURCE CATEGORY

(continued)
---------------------------
TSS......................................... 0.80 0.40
TOC......................................... 0.44 0.22
pH.......................................... (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range 6.0 to 9.0.

(b) Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart and manufacturing hydrogen peroxide by the electrolytic process must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT):

Subpart I_Hydrogen Peroxide Electrolyte Process
------------------------------------------------------------------------
BPT limitations
---------------------------
Average of
Pollutant or pollutant property daily values
Maximum for for 30
any 1 day consecutive
days
------------------------------------------------------------------------
Kg/kkg (or
pounds per
1,000 lb) of
product
---------------------------
TSS......................................... 0.0050 0.0025
Cyanide A................................... 0.00040 0.00020
pH.......................................... (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range 6.0 to 9.0.

Subpart J—Nitric Acid Production Subcategory [Reserved]
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Subpart K—Potassium Metal Production Subcategory
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§ 415.110 Applicability; description of the potassium metal production subcategory.
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The provisions of this subpart are applicable to discharges resulting from the production of potassium metal.

§ 415.111 Specialized definitions. [Reserved]
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§ 415.112 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
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Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT): There shall be no discharge of process wastewater pollutants to navigable waters.

§ 415.113 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
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Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT): There shall be no discharge of process wastewater pollutants to navigable waters.

§ 415.114 [Reserved]
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§ 415.115 New source performance standards (NSPS).
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Any new source subject to this subpart must achieve the following new source performance standards (NSPS): There shall be no discharge of process wastewater pollutants to navigable waters.

§ 415.116 Pretreatment standards for new sources (PSNS).
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Except as provided in §403.7, any new source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources (PSNS): There shall be no discharge of process wastewater pollutants to navigable waters.

Subpart L—Potassium Dichromate Production Subcategory
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§ 415.120 Applicability; description of the potassium dichromate production subcategory.
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The provisions of this subpart are applicable to discharges and to the introduction of pollutants resulting from the production of potassium dichromate into treatment works which are publicly owned.

§ 415.121 Specialized definitions. [Reserved]
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§ 415.122 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
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Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT): There shall be no discharge of process wastewater pollutants to navigable waters.

§ 415.123 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
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Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT): There shall be no discharge of process wastewater pollutants to navigable waters.

§ 415.124 Pretreatment standards for existing sources (PSES).
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Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for existing sources (PSES):

Subpart L_Potassium Dichromate
------------------------------------------------------------------------
PSES limitations
---------------------------
Average of
Pollutant or pollutant property daily values
Maximum for for 30
any 1 day consecutive
days
------------------------------------------------------------------------
Milligrams
per liter
(mg/l)
---------------------------
Hexavalent chromium......................... 0.25 0.090
Total chromium.............................. 3.0 1.0
------------------------------------------------------------------------

§ 415.125 New source performance standards (NSPS).
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Any new source subject to this subpart must achieve the following new source performance standards (NSPS): There shall be no discharge of process wastewater pollutants to navigable waters.

§ 415.126 Pretreatment standards for new sources (PSNS).
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Except as provided in §403.7, any new source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources (PSNS): There shall be no discharge of process wastewater pollutants to navigable waters.

Subpart M—Potassium Sulfate Production Subcategory
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§ 415.130 Applicability; description of the potassium sulfate production subcategory.
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The provisions of this subpart are applicable to discharges resulting from the production of potassium sulfate.

§ 415.131 Specialized definitions. [Reserved]
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§ 415.132 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
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Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT):

(a) Subject to the provisions of paragraphs (b), (c), and (d) of this section, there shall be no discharge of process wastewater pollutants into navigable waters.

(b) A process wastewater impoundment which is designed, constructed and operated so as to contain the precipitation from the 10-year, 24-hour rainfall event as established by the National Climatic Center, National Oceanic and Atmospheric Administration for the area in which such impoundment is located may discharge that volume of process wastewater which is equivalent to the volume of precipitation that falls within the impoundment in excess of that attributable to the 10-year, 24-hour rainfall event, when such event occurs.

(c) During any calendar month there may be discharged from a process wastewater impoundment either a volume of process wastewater equal to the difference between the precipitation for that month that falls within the impoundment and the evaporation for that month, or, if greater, a volume of process wastewater equal to the difference between the mean precipitation for that month that falls within the impoundment and the mean evaporation for that month as established by the National Climatic Center, National Oceanic and Atmospheric Administration for the area in which such impoundment is located (or as otherwise determined if no monthly data have been established by the National Climatic Center).

(d) Any process wastewater discharged pursuant to paragraph (c) of this section shall comply with each of the following requirements:

Subpart M_Potassium Sulfate
------------------------------------------------------------------------
BPT limitations
-------------------------
Average of
daily
Pollutant or pollutant property Maximum for values for
any 1 day 30
consecutive
days
------------------------------------------------------------------------
Milligrams
per liter
(mg/1)
-------------------------
TSS........................................... 50 25
ph............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range 6.0 to 9.0.

§ 415.133 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
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Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT):

(a) Subject to the provisions of paragraph (b) of this section there shall be no discharge of process wastewater pollutants into navigable waters.

(b) A process wastewater impoundment which is designed, constructed, and operated so as to contain the precipitation from the 25-year, 24-hour rainfall event as established by the National Climatic Center, National Oceanic and Atmospheric Administration for the area in which such impoundment is located may discharge that volume of process wastewater which is equivalent to the volume of precipitation that falls within the impoundment in excess of that attributable to the 25-year, 24-hour rainfall event, when such event occurs.

§ 415.134 [Reserved]
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§ 415.135 New source performance standards (NSPS).
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Any new source subject to this subpart must achieve the following new source performance standards (NSPS):

(a) Subject to the provisions of paragraph (b) of this section there shall be no discharge of process wastewater pollutants into navigable waters.

(b) A process wastewater impoundment which is designed, constructed, and operated so as to contain the precipitation from the 25-year, 24-hour rainfall event as established by the National Climatic Center, National Oceanic and Atmospheric Administration for the area in which such impoundment is located may discharge that volume of process wastewater which is equivalent to the volume of precipitation that falls within the impoundment in excess of that attributable to the 25-year, 24-hour rainfall event, when such event occurs.

§ 415.136 Pretreatment standards for new sources (PSNS).
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Except as provided in §403.7, any new source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources (PSNS): The limitations are the same as the new source performance standards specified in §415.135.

Subpart N—Sodium Bicarbonate Production Subcategory
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§ 415.140 Applicability; description of the sodium bicarbonate production subcategory.
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The provisions of this subpart are applicable to discharges resulting from the production of sodium bicarbonate.

§ 415.141 Specialized definitions. [Reserved]
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§ 415.142 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
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Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT): There shall be no discharge of process wastewater pollutants to navigable waters.

§ 415.143 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
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Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT): There shall be no discharge of process wastewater pollutants to navigable waters.

§ 415.144 [Reserved]
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§ 415.145 New source performance standards (NSPS).
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Any new source subject to this subpart must achieve the following new source performance standards (NSPS): There shall be no discharge of process wastewater pollutants to navigable waters.

§ 415.146 Pretreatment standards for new sources (PSNS).
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Except as provided in §403.7, any new source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources (PSNS): There shall be no discharge of process wastewater pollutants to navigable waters.

Subpart O—Sodium Carbonate Production Subcategory [Reserved]
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Subpart P—Sodium Chloride Production Subcategory
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§ 415.160 Applicability; description of the sodium chloride production subcategory.
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The provisions of this subpart are applicable to discharges resulting from the production of sodium chloride by the solution brine-mining process and by the solar evaporation process.

§ 415.161 Specialized definitions.
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For the purpose of this subpart:

(a) Except as provided below, the general definitions, abbreviations and methods of analysis set forth in 40 CFR part 401 shall apply to this subpart.

(b) The term product shall mean sodium chloride.

(c) The term bitterns shall mean the saturated brine solution remaining after precipitation of sodium chloride in the solar evaporation process.

§ 415.162 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
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(a) Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart and using the solar evaporation process must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT): There shall be no discharge of process wastewater pollutants to navigable waters, except that unused bitterns may be returned to the body of water from which the process brine solution was originally withdrawn, provided no additional pollutants are added to the bitterns during the production of sodium chloride.

(b) Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart and using the solution brine mining process must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT):

Subpart P_Sodium Chloride Brine Mining Process
------------------------------------------------------------------------
BPT limitations
---------------------------
Average of
Pollutant or pollutant property daily values
Maximum for for 30
any 1 day consecutive
days
------------------------------------------------------------------------
Kg/kkg (or
pounds per
1,000 lb.)
of product
---------------------------
TSS......................................... 0.34 0.17
pH.......................................... (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 6.0 to 9.0.

§ 415.163 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
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(a) Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart and using the solar evaporation process must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT): There shall be no discharge of process wastewater pollutants to navigable waters, except that unused bitterns may be returned to the body of water from which the process brine solution was originally withdrawn, provided no additional pollutants are added to the bitterns during the production of sodium chloride.

(b) [Reserved]

[47 FR 28278, June 29, 1982, as amended at 49 FR 33420, Aug. 22, 1984]

§ 415.164 [Reserved]
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§ 415.165 New source performance standards (NSPS).
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(a) Any new source subject to this subpart and using the solar evaporation process must achieve the following new source performance standards (NSPS): There shall be no discharge of process wastewater pollutants to navigable waters, except that unused bitterns may be returned to the body of water from which the process brine solution was originally withdrawn, provided no additional pollutants are added to the bitterns during the production of sodium chloride.

(b) Any new source subject to this subpart and using the solution brine-mining process must achieve the following new source performance standards (NSPS): There shall be no discharge of process wastewater pollutants to navigable waters.

§ 415.166 Pretreatment standards for new sources (PSNS).
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Except as provided in §403.7, any new source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources (PSNS): The limitations are the same as the new source performance standards specified in §415.165.

Subpart Q—Sodium Dichromate and Sodium Sulfate Production Subcategory
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§ 415.170 Applicability; description of the sodium dichromate and sodium sulfate production subcategory.
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The provisions of this subpart are applicable to discharges resulting from the production of sodium dichromate and by-product sodium sulfate.

§ 415.171 Specialized definitions.
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For the purpose of this subpart:

(a) Except as provided below, the general definitions, abbreviations and methods of analysis set forth in 40 CFR part 401 shall apply to this subpart.

(b) The term product shall mean sodium dichromate.

(c) The term Cr(T) shall mean total chromium.

(d) The term Cr(+6) shall mean hexavalent chromium.

§ 415.172 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
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Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT):

Subpart Q_Sodium Dichromate
------------------------------------------------------------------------
BPT limitations
---------------------------
Average of
Pollutant or pollutant property daily values
Maximum for for 30
any 1 day consecutive
days
------------------------------------------------------------------------
Kg/kkg (or
pounds per
1,000 lb) of
product
---------------------------
TSS......................................... 0.44 0.22
Hexavalent Chromium......................... 0.00090 0.00050
Chromium (T)................................ 0.0088 0.0044
Nickel (T).................................. 0.0068 0.0034
pH.......................................... (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range 6.0 to 9.0.

§ 415.173 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
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Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT): The limitations for Chromium (T), Hexavalent Chromium, and Nickel (T) are the same as specified in §415.172.

§ 415.174 [Reserved]
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§ 415.175 New source performance standards (NSPS).
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Any new source subject to this subpart must achieve the following new source performance standards (NSPS): The limitations are the same as specified in §415.172.

§ 415.176 Pretreatment standards for new sources (PSNS).
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Except as provided in 40 CFR 403.7, any new source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following Pretreatment Standards for New Sources (PSNS):

Subpart Q_Sodium Dichromate
------------------------------------------------------------------------
PSNS effluent
limitations
------------------------
Average of
Pollutant or pollutant property daily
Maximum values for
for any 1 30
day consecutive
days
------------------------------------------------------------------------
Milligrams
per liter
------------------------
Chromium (T)................................... 1.0 0.50
Hexavalent Chromium............................ 0.11 0.060
Nickel (T)..................................... 0.80 0.40
------------------------------------------------------------------------

In cases where POTWs find it necessary to impose mass limitations, the following equivalent mass limitations are provided as an alternate: The limitations for Chromium (T), Hexavalent Chromium, and Nickel (T) are the same as specified in §415.175.

[47 FR 55226, Dec. 8, 1982]

§ 415.177 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT).
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Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT): The limitations are the same for TSS and pH as specified in §415.172.

Subpart R—Sodium Metal Production Subcategory [Reserved]
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Subpart S—Sodium Silicate Production Subcategory [Reserved]
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Subpart T—Sodium Sulfite Production Subcategory
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§ 415.200 Applicability; description of the sodium sulfite production subcategory.
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The provisions of this subpart are applicable to discharges resulting from the production of sodium sulfite by reacting sulfur dioxide with sodium carbonate.

§ 415.201 Specialized definitions.
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For the purpose of this subpart:

(a) Except as provided below, the general definitions, abbreviations and methods of analysis set forth in 40 CFR part 401 shall apply to this subpart.

(b) The term product shall mean sodium sulfite.

§ 415.202 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
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Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT):

Subpart T_Sodium Sulfite
------------------------------------------------------------------------
BPT limitations
---------------------------
Average of
Pollutant or pollutant property daily values
Maximum for for 30
any 1 day consecutive
days
------------------------------------------------------------------------
Kg/kkg (or
pounds per
1,000 lb) of
product
---------------------------
TSS......................................... 0.032 0.016
COD......................................... 3.4 1.7
pH.......................................... (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range 6.0 to 9.0.

§ 415.203 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
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Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT):

Subpart T_Sodium Sulfite
------------------------------------------------------------------------
BAT effluent limitations
---------------------------
Average of
Pollutant or pollutant property daily values
Maximum for for 30
any 1 day consecutive
days
------------------------------------------------------------------------
Kg/kkg (or
pounds per/
1,000 lb) of
product
---------------------------
Chromium (T)................................ 0.0020 0.00063
Zine (T).................................... 0.0051 0.0015
COD......................................... 3.4 1.7
------------------------------------------------------------------------

[49 FR 33420, Aug. 22, 1984]

§ 415.204 [Reserved]
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§ 415.205 New source performance standards (NSPS).
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Any new source subject to this subpart must achieve the following new source performance standards (NSPS):

Subpart T_Sodium Sulfite
------------------------------------------------------------------------
NSPS effluent limitations
---------------------------
Average of
Pollutant or pollutant property daily values
Maximum for for 30
any 1 day consecutive
days
------------------------------------------------------------------------
Kg/kkg (or
pounds per/
1,000 lb) of
product
---------------------------
TSS......................................... 0.032 0.016
Chromium (T)................................ 0.0020 0.00063
Zinc (T).................................... 0.0051 0.0015
COD......................................... 3.4 1.7
pH.......................................... (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range 6.0 to 9.0.

[49 FR 33421, Aug. 22, 1984]

§ 415.206 Pretreatment standards for new sources (PSNS).
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Except as provided in 40 CFR 403.7, any new source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources (PSNS).

Subpart T_Sodium Sulfite
------------------------------------------------------------------------
PSNS effluent limitations
---------------------------
Average of
Pollutant or pollutant property daily values
Maximum for for 30
any 1 day consecutive
days
------------------------------------------------------------------------
Milligrams
per liter
(mg/l)
---------------------------
Chromium (total)............................ 1.3 0.42
Zinc (total)................................ 3.4 1.2
COD......................................... 1,260 630
------------------------------------------------------------------------

In cases when POTWs find it necessary to impose mass limitations, the following equivalent mass limitations are provided as an alternate: The limitations on chromium (total), zinc (total), and COD are the same as specified in §415.205.

[49 FR 33421, Aug. 22, 1984]

§ 415.207 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT).
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Except as provided in 40 CFR 125.30 through 125.32 any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT): The limitations for TSS and pH are the same as specified in §415.202.

[49 FR 33421, Aug. 22, 1984]

Subpart U—Sulfuric Acid Production Subcategory [Reserved]
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Subpart V—Titanium Dioxide Production Subcategory
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§ 415.220 Applicability; description of the titanium dioxide production subcategory.
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This subpart applies to discharges to waters of the United States and introduction of pollutants into publicly owned treatment works resulting from the production of titanium dioxide by the sulfate process, the chloride process, and the simultaneous beneficiation-chlorination (chloride-ilmenite) process.

§ 415.221 Specialized definitions.
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For the purpose of this subpart:

(a) Except as provided below, the general definitions, abbreviations and methods of analysis set forth in 40 CFR part 401 shall apply to this subpart.

(b) The term product shall mean titanium dioxide.

§ 415.222 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
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(a) Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart and producing titanium dioxide by the sulfate process must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT):

Subpart V_Titanium Dioxide-Sulfate Process
------------------------------------------------------------------------
BPT effluent limitations
---------------------------
Average of
Pollutant or pollutant property daily values
Maximum for for 30
any 1 day consecutive
days
------------------------------------------------------------------------
Kg/kkg (or
pounds per
1,000 lb) of
product
---------------------------
TSS......................................... 140 38
Chromium (T)................................ 0.48 0.21
Nickel (T).................................. 0.29 0.14
pH.......................................... (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range 6.0 to 9.0.

(b) Except as provided for in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart and producing titanium dioxide by the chloride process must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT):

Subpart V_Titanium Dioxide-Chloride Process
------------------------------------------------------------------------
BPT effluent limitations
---------------------------
Average of
Pollutant or pollutant property daily values
Maximum for for 30
any 1 day consecutive
days
------------------------------------------------------------------------
Kg/kkg (or
pounds per
1,000 lb) of
product
---------------------------
TSS......................................... 23 6.4
Chromium (T)................................ 0.057 0.030
pH.......................................... (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range 6.0 to 9.0.

(c) Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart and producing titanium dioxide by the simultaneous beneficiation-chlorination (chloride/ilmenite) process must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT):

Subpart V_Titanium Dioxide-Chloride-Ilmenite Process
------------------------------------------------------------------------
BPT effluent limitations
---------------------------
Average of
Pollutant or pollutant property daily values
Maximum for for 30
any 1 day consecutive
days
------------------------------------------------------------------------
Kg/kkg (or
pounds per
1,000 lb) of
product
---------------------------
TSS......................................... 35 9.6
Chromium (T)................................ 0.12 0.053
Nickel (T).................................. 0.072 0.035
pH.......................................... (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range 6.0 to 9.0.

[47 FR 28278, June 29, 1982, as amended at 47 FR 55227, Dec. 8, 1982]

§ 415.223 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
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(a) Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart and producing titanium dioxide by the sulfate process must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT): The limitations are the same for Chromium(T) and Nickel(T) as specified in §415.222(a).

(b) Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart and producing titanium dioxide by the chloride process must achieve the following effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT): The limitations for Chromium(T) are the same as specified in §415.222(b).

(c) Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart and producing titanium dioxide by the simultaneous beneficiation-chlorination (chloride-ilmenite) process must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT): The limitations for Chromium(T) and Nickel(T) are the same as specified in §415.222(c).

§ 415.224 [Reserved]
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§ 415.225 New source performance standards (NSPS).
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(a) Any new source subject to this subpart producing titanium dioxide by the sulfate process must achieve the following new source performance standards (NSPS):

Subpart V_Titanium Dioxide-Sulfate Process
------------------------------------------------------------------------
NSPS effluent limitations
---------------------------
Average of
Pollutant or pollutant property daily values
Maximum for for 30
any 1 day consecutive
days
------------------------------------------------------------------------
Kg/kkg (or
pounds per
1,000 lb) of
product
---------------------------
TSS......................................... 110 30
Iron (T).................................... 4.1 1.2
Chromium (T)................................ 0.27 0.14
Nickel (T).................................. 0.18 0.095
pH.......................................... (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range 6.0 to 9.0.

(b) Any new source subject to this subpart producing titanium dioxide by the chloride process must achieve the following new source performance standards (NSPS):

Subpart V_Titanium Dioxide-Chloride Process
------------------------------------------------------------------------
NSPS effluent limitations
---------------------------
Average of
Pollutant or pollutant property daily values
Maximum for for 30
any 1 day consecutive
days
------------------------------------------------------------------------
Kg/kkg (or
pounds per
1,000 lb) of
product
---------------------------
TSS......................................... 14 4.0
Iron (T).................................... 0.52 0.16
Chromium (T)................................ 0.023 0.012
ph.......................................... (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range 6.0 to 9.0.

(c) Any new source subject to this subpart producing titanium dioxide by the simultaneous beneficiation-chlorination (chloride-ilmenite) process must achieve the following new source performance standards (NSPS):

Subpart V_Titanium Dioxide-Chloride-Ilmenite Process
------------------------------------------------------------------------
NSPS effluent limitations
---------------------------
Average of
Pollutant or pollutant property daily values
Maximum for for 30
any 1 day consecutive
days
------------------------------------------------------------------------
Kg/kkg (or
pounds per
1,000 lb) of
product
---------------------------
TSS......................................... 8.4 2.4
Iron (T).................................... 0.32 0.096
Chromium (T)................................ 0.014 0.0072
Nickel (T).................................. 0.020 0.010
pH.......................................... (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range 6.0 to 9.0.

§ 415.226 Pretreatment standards for new sources (PSNS).
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(a) Except as provided in 40 CFR 403.7, any new source subject to this subpart and producing titanium dioxide by the sulfate process which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for new sources (PSNS):

Subpart V_Titanium Dioxide_Sulfate Process
------------------------------------------------------------------------
PSNS effluent limitations
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Average of
Pollutant or pollutant property daily values
Maximum for for 30
any 1 day consecutive
days
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Milligrams
per liter(mg/1) (continued)