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The provisions of this subpart are applicable to discharges resulting from the process in which shelled corn is steeped in a dilute solution of sulfurous acid and then processed by wet means into such products as animal feed, regular and modified starches, corn oil, corn syrup, and dextrose.
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 corn shall mean the shelled corn delivered to a plant before processing.
(c) The term standard bushel shall mean a bushel of shelled corn weighing 56 pounds.
(d) The abbreviation MSBu shall mean 1000 standard bushels.
(a) Except as provided in §§ 125.30 through 125.32, and subject to the provisions in paragraph (b) of this section, any existing point source subject to this subpart shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT):
Effluent characteristic
Effluent limitations
Maximum for any 1 day
Average of daily values for 30 consecutive days shall not exceed—
Metric units (kilograms per 1,000 kg of corn)
BOD 5
2.67
0.89
TSS
4.32
1.08
pH
( 1 )
( 1 )
English units (pounds per 1,000 stdbu of corn)
BOD 5
150
50
TSS
240
60
pH
( 1 )
( 1 )
1 Within the range 6.0 to 9.0.
(b) The limitations given in paragraph (a) of this section for BOD 5 and TSS are derived for a point source producing products standards to the corn wet milling industry. For those plants producing modified starches at a rate of at least 15 percent by dry-basis weight of total sweetener and starch products per month for 12 consecutive months, the following limitations should be used to derive an additive adjustment to the discharge allowed by paragraph (a) of this section:
Effluent characteristic
Effluent limitations
Maximum for any 1 day
Average of daily values for 30 consecutive days shall not exceed—
Metric units (kilograms per 1,000 kg of corn)
BOD 5
0.81
0.27
TSS
2.16
.54
English units (pounds per 1,000 stdbu of corn)
BOD 5
45
15
TSS
120
30
Any existing source subject to this subpart that introduces process wastewater pollutants into a publicly owned treatment works must comply with 40 CFR part 403. In addition, the following pretreatment standard establishes the quantity or quality of pollutants or pollutant properties controlled by this section which may be discharged to a publicly owned treatment works by a point source subject to the provisions of this subpart.
Pollutant or pollutant property
Pretreatment standard
pH
No limitation.
BOD 5
Do.
TSS
Do.
The following standards of performance establish the quantity or quality of pollutants or pollutant properties, controlled by this section, which may be discharged by a new source subject to the provisions of this subpart:
Effluent characteristic
Effluent limitations
Maximum for any 1 day
Average of daily values for 30 consecutive days shall not exceed—
Metric units (kilograms per 1,000 kg of corn)
BOD 5
1.08
0.36
TSS
1.35
.45
pH
( 1 )
( 1 )
English units (pounds per 1,000 stdbu of corn)
BOD 5
60
20
TSS
75
25
pH
( 1 )
( 1 )
1 Within the range 6.0 to 9.0.
Any new source subject to this subpart that introduces process wastewater pollutants into a publicly owned treatment works must comply with 40 CFR part 403. In addition, the provisions set forth in paragraph (a) of this section apply, as well as the following pretreatment standard which establishes the quantity or quality of pollutants or pollutant properties controlled by this section which may be discharged to publicly owned treatment works by a new source subject to the provisions of this subpart.
Pollutant or pollutant property
Pretreatment standard
pH
No limitation.
BOD 5
Do.
TSS
Do.
(a) Process waste water shall not be discharged to a POTW at a flow rate or pollutant mass loading rate which is excessive over any time period during the peak load at a POTW. Excessive discharges are defined as those in which the flow of BOD 5 or total suspended solids (TSS) exceed the respective values of P from the following formula:
P = K(Q + R)−S
where:
P = maximum allowable peak waste load for the new corn wet milling source to be discharged to the POTW (gallons per one hour for flow and pounds per day for BOD 5 and TSS).
Q = average existing waste load to POTW.
R = average waste load for the new corn wet milling source to be discharged to POTW.
S = existing peak load of POTW.
K = 2. When the ratio of (S/Q) is greater than 1.5, K = 3.
Calculations are to be based on dry weather conditions.
The following limitations establish the quantity or quality of pollutants or pollutant properties, controlled by this section, which may be discharged by a point source subject to the provisions of this subpart after application of the best conventional pollutant control technology.
(a) Subject to the provisions in paragraph (b) of this section, the following limitations establish the quantity or quality of pollutants or pollutant properties, controlled by this section, which may be discharged by a point source subject to the provisions of this subpart after application of the best available technology economically achievable:
Effluent characteristic
Effluent limitations
Maximum for any 1 day
Average of daily values for 30 consecutive days shall not exceed—
Metric units (kilograms per 1,000 kg of corn)
BOD 5
1.08
0.36
TSS
1.62
.54
pH
( 1 )
( 1 )
English units (pounds per 1,000 stdbu of corn)
BOD 5
60
20
TSS
90
30
pH
( 1 )
( 1 )
1 Within the range 6.0 to 9.0.
(b) The limitations given in paragraph (a) of this section for BOD 5 and TSS are derived for a point source producing products standard to the corn wet milling industry. For those plants producing modified starches at a rate of at least 15 percent by dry-basis weight of total sweetener and starch products per month for 12 consecutive months, the following limitations should be used to derive an additive adjustment to the discharge allowed by paragraph (a) of this section:
Effluent characteristic
Effluent limitations
Maximum for any 1 day
Average of daily values for 30 consecutive days shall not exceed—
Metric units (kilograms per 1,000 kg of corn)
BOD 5
0.43
0.14
TSS
0.66
.22
English units (pounds per 1,000 stdbu of corn)
BOD 5
24
8
TSS
36
12
(a) The provisions of this subpart are applicable to discharges resulting from the process in which shelled corn is washed and subsequently milled by dry processes into such products as corn meal, grits, flour, oil, and animal feed.
(b) The provisions of this subpart do not apply to discharges from subsequent manufacturing operations to produce expanded or extruded feed or feed products.
For the purpose of this subpart:
(a) Except as provided below, the general definitions, abbreviations and methods of analysis set forth in part 401 of this chapter shall apply to this subpart.
(b) The term corn shall mean the shelled corn delivered to a plant before processing.
(c) The term standard bushel shall mean a bushel of shelled corn weighing 56 pounds.
(d) The abbreviation MSBu shall mean 1000 standard bushels.
Except as provided in §§ 125.30 through 125.32, any existing point source subject to this subpart shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT):
Effluent characteristic
Effluent limitations
Maximum for any 1 day
Average of daily values for 30 consecutive days shall not exceed—
Metric units (kilograms per 1,000 kg of corn)
BOD 5
0.21
0.07
TSS
0.18
.06
pH
( 1 )
( 1 )
English units (pounds per 1,000 stdbu of corn)
BOD 5
12.0
4.0
TSS
10.5
3.5
pH
( 1 )
( 1 )
1 Within the range 6.0 to 9.0.
Any existing source subject to this subpart that introduces process wastewater pollutants into a publicly owned treatment works must comply with 40 CFR part 403. In addition, the following pretreatment standard establishes the quantity or quality of pollutants or pollutant properties controlled by this section which may be discharged to a publicly owned treatment works by a point source subject to the provisions of this subpart.
Pollutant or pollutant property
Pretreatment standard
pH
No limitation.
BOD 5
Do.
TSS
Do.
The following standards of performance establish the quantity or quality of pollutants or pollutant properties, controlled by this section, which may be discharged by a new source subject to the provisions of this part:
Effluent characteristic
Effluent limitations
Maximum for any 1 day
Average of daily values for 30 consecutive days shall not exceed—
Metric units (kilograms per 1,000 kg of corn)
BOD 5
0.11
0.036
TSS
0.054
0.18
pH
( 1 )
( 1 )
English units (pounds per 1,000 stdbu of corn)
BOD 5
6.0
2.0
TSS
3.0
1.0
pH
( 1 )
( 1 )
1 Within the range 6.0 to 9.0.
Any new source subject to this subpart that introduces process wastewater pollutants into a publicly owned treatment works must comply with 40 CFR part 403.
Except as provided in §§ 125.30 through 125.32, any existing point source subject to this subpart shall 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 shall be the same as those specified for conventional pollutants (which are defined in § 401.16) in § 406.22 of this subpart for the best practicable control technology currently available (BPT).
The provisions of this subpart are applicable to discharges resulting from the processes in which wheat and other grains are milled by dry processes into flour and millfeed.
For the purpose of this subpart:
(a) Except as provided below, the general definitions, abbreviations and methods of analysis set forth in part 401 of this chapter shall apply to this subpart.
Except as provided in §§ 125.30 through 125.32, any existing point source subject to this subpart shall 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 waste water pollutants to navigable waters.
The following limitations establish the quantity or quality of pollutants or pollutant properties which may be discharged by a point source subject to the provisions of this subpart after application of the best available technology economically achievable: there shall be no discharge of process waste water pollutants to navigable waters.
Any existing source subject to this subpart that introduces process wastewater pollutants into a publicly owned treatment works must comply with 40 CFR part 403. In addition, the following pretreatment standard establishes the quantity or quality of pollutants or pollutant properties controlled by this section which may be discharged to a publicly owned treatment works by a point source subject to the provisions of this subpart.
Pollutant or pollutant property
Pretreatment standard
BOD 5
No limitation.
TSS
Do.
The following standards of performance establish the quantity or quality of pollutants or pollutant properties which may be discharged by a new source subject to the provisions of this subpart: There shall be no discharge of process waste water pollutants to navigable waters.
Any new source subject to this subpart that introduces process wastewater pollutants into a publicly owned treatment works must comply with 40 CFR part 403.
Except as provided in §§ 125.30 through 125.32, any existing point source subject to this subpart shall 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 shall be the same as those specified for conventional pollutants (which are defined in § 401.16) in § 406.32 of this subpart for the best practicable control technology currently available (BPT).
The provisions of this subpart are applicable to discharges resulting from the process in which wheat is parboiled, dried, and partially debranned in the production of bulgur.
For the purpose of the subpart:
(a) Except as provided below, the general definitions, abbreviations and methods of analysis set forth in part 401 of this chapter shall apply to this subpart.
(b) The term wheat shall mean wheat delivered to a plant before processing.
(c) The term standard bushel shall mean a bushel of wheat weighing 60 pounds.
(d) The abbreviation MSBu shall mean 1,000 standard bushels.
Except as provided in §§ 125.30 through 125.32, any existing point source subject to this subpart shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT):
Effluent characteristic
Effluent limitations
Maximum for any 1 day
Average of daily values for 30 consecutive days shall not exceed—
Metric units (kilograms per 1,000 kg of wheat)
BOD 5
0.025
0.0083
TSS
0.025
.0083
pH
( 1 )
( 1 )
English units (pounds per 1,000 stdbu of wheat)
BOD 5
1.50
0.50
TSS
1.50
.50
pH
( 1 )
( 1 )
1 Within the range 6.0 to 9.0.
Any existing source subject to this subpart that introduces process wastewater pollutants into a publicly owned treatment works must comply with 40 CFR part 403. In addition, the following pretreatment standard establishes the quantity or quality of pollutants or pollutant properties controlled by this section which may be discharged to a publicly owned treatment works by a point source subject to the provisions of this subpart.
Pollutant or pollutant property
Pretreatment standard
pH
No limitation.
BOD 5
Do.
TSS
Do.
The following standards of performance establish the quantity or quality of pollutants or pollutant properties, controlled by this section, which may be discharged by a new source subject to the provisions of this subpart:
Effluent characteristic
Effluent limitations
Maximum for any 1 day
Average of daily values for 30 consecutive days shall not exceed—
Metric units (kilograms per 1,000 kg of wheat)
BOD 5
0.015
0.005
TSS
0.0099
.0033
pH
( 1 )
( 1 )
English units (pounds per 1,000 stdbu of wheat)
BOD 5
0.90
0.30
TSS
0.60
.20
pH
( 1 )
( 1 )
1 Within the range 6.0 to 9.0.
Any new source subject to this subpart that introduces process wastewater pollutants into a publicly owned treatment works must comply with 40 CFR part 403.
Except as provided in §§ 125.30 through 125.32, any existing point source subject to this subpart shall 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 shall be the same as those specified for conventional pollutants (which are defined in § 401.16) in § 406.42 of this subpart for the best practicable control technology currently available (BPT).
The provisions of this subpart are applicable to discharges resulting from the process in which rice is cleaned and milled by dry processes.
For the purpose of this subpart:
(a) Except as provided below, the general definitions, abbreviations and methods of analysis set forth in part 401 of this chapter shall apply to this subpart.
Except as provided in §§ 125.30 through 125.32, any existing point source subject to this subpart shall 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 waste water pollutants to navigable waters.
The following limitations establish the quantity or quality of pollutants or pollutant properties which may be discharged by a point source subject to the provisions of this subpart after application of the best available technology economically achievable: there shall be no discharge of process waste water pollutants to navigable waters.
Any existing source subject to this subpart that introduces process wastewater pollutants into a publicly owned treatment works must comply with 40 CFR part 403. In addition, the following pretreatment standard establishes the quantity or quality of pollutants or pollutant properties controlled by this section which may be discharged to a publicly owned treatment works by a point source subject to the provisions of this subpart.
Pollutant or pollutant property
Pretreatment standard
BOD 5
No limitation.
TSS
Do.
The following standards of performance establish the quantity or quality of pollutants or pollutant properties which may be discharged by a new source subject to the provisions of this subpart: There shall be no discharge of process waste water pollutants to navigable waters.
Any new source subject to this subpart that introduces process wastewater pollutants into a publicly owned treatment works must comply with 40 CFR part 403.
Except as provided in §§ 125.30 through 125.32, any existing point source subject to this subpart shall 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 shall be the same as those specified for conventional pollutants (which are defined in § 401.16) in § 406.52 of this subpart for the best practicable control technology currently available (BPT).
The provisions of this subpart are applicable to discharges resulting from the process in which rice is cleaned, cooked and dried before being milled.
For the purpose of this subpart:
(a) Except as provided below, the general definitions, abbreviations and methods of analysis set forth in part 401 of this chapter shall apply to this subpart.
(b) The term “rice” shall mean rice delivered to a plant before processing.
(c) The abbreviation “cwt” shall mean hundred weight.
Except as provided in §§ 125.30 through 125.32, any existing point source subject to this subpart shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT):
Effluent characteristic
Effluent limitations
Maximum for any 1 day
Average of daily values for 30 consecutive days shall not exceed—
Metric units (kilograms per 1,000 kg of rice)
BOD 5
0.42
0.14
TSS
0.24
.08
pH
( 1 )
( 1 )
English units (pounds per hundredweight of rice)
BOD 5
0.042
0.014
TSS
0.024
.008
pH
( 1 )
( 1 )
1 Within the range 6.0 to 9.0.
Any existing source subject to this subpart that introduces process wastewater pollutants into a publicly owned treatment works must comply with 40 CFR part 403. In addition, the following pretreatment standard establishes the quantity or quality of pollutants or pollutant properties controlled by this section which may be discharged to a publicly owned treatment works by a point source subject to the provisions of this subpart.
Pollutant or pollutant property
Pretreatment standard
pH
No limitation.
BOD 5
Do.
TSS
Do.
The following standards of performance establish the quantity or quality of pollutants or pollutant properties, controlled by this section, which may be discharged by a new source subject to the provisions of this subpart:
Effluent characteristic
Effluent limitations
Maximum for any 1 day
Average of daily values for 30 consecutive days shall not exceed—
Metric units (kilograms per 1,000 kg of rice)
BOD 5
0.21
0.07
TSS
0.09
.03
pH
( 1 )
( 1 )
English units (pounds per hundredweight of rice)
BOD 5
0.021
0.007
TSS
0.009
.003
pH
( 1 )
( 1 )
1 Within the range 6.0 to 9.0.
Any new source subject to this subpart that introduces process wastewater pollutants into a publicly owned treatment works must comply with 40 CFR part 403.
Except as provided in §§ 125.30 through 125.32, any existing point source subject to this subpart shall 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 shall be the same as those specified for conventional pollutants (which are defined in § 401.16) in § 406.62 of this subpart for the best practicable control technology currently available (BPT).
The provisions of this subpart are applicable to discharges resulting from the manufacturing of animal feeds (formula feed concentrate) using primarily grain and grain by-products which may be supplemented by proteins, pharmaceuticals, vitamins or mineral additives.
For the purpose of this subpart: The general definitions, abbreviations and methods of analysis set forth in 40 CFR part 401 shall apply to this subpart.
Except as provided in §§ 125.30 through 125.32, any existing point source subject to this subpart shall 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 waste water pollutants to navigable waters.
The following limitations establish the quantity or quality of pollutants or pollutant properties, which may be discharged by a point source subject to the provisions of this subpart after application of the best available technology economically achievable: There shall be no discharge of process waste water pollutants to navigable waters.
The following standards of performance establish the quantity or quality of pollutants or pollutant properties which may be discharged by a new source subject to the provisions of this subpart: There shall be no discharge of process waste water pollutants to navigable waters.
Any new source subject to this subpart that introduces process wastewater pollutants into a publicly owned treatment works must comply with 40 CFR part 403. In addition, the following pretreatment standard establishes the quantity or quality of pollutants or pollutant properties, controlled by this section, which may be discharged to a publicly owned treatment works by a new point source subject to the provisions of this subpart.
Pollutant or pollutant property
Pretreatment standard
pH
No limitation.
BOD 5
Do.
TSS
Do.
GRAIN MILLS POINT SOURCE CATEGORY (U.S.C.). Retrieved via LawPlayer, https://lawplayer.com/us/act/cfr-title-40-part-406
United States government works (U.S. Code, Code of Federal Regulations) are in the public domain under 17 U.S.C. § 105.
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