Loading (50 kb)...'
(continued)
[63 FR 18635, Apr. 15, 1998; 63 FR 42239, Aug. 7, 1998]
§ 430.27 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 that introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and must achieve the following pretreatment standards for new sources (PSNS).
(a)(1) The following pretreatment standards apply with respect to each fiber line that is a new source, unless the indirect discharger discloses to the pretreatment control authority in a report submitted under 40 CFR 403.12 that it uses exclusively TCF bleaching processes at that fiber line:
Subpart B
----------------------------------------------------------------------------------------------------------------
PSNS
----------------------------------------------------
Pollutant or pollutant property Monthly
Maximum for any 1 day average
----------------------------------------------------------------------------------------------------------------
TCDD....................................................... TCDF....................................................... 31.9 \c\ (\b\)
Chloroform................................................. 6.92 \d\ 4.14 \d\
Trichlorosyringol.......................................... 3,4,5-trichlorocatechol.................................... 3,4,6-trichlorocatechol.................................... 3,4,5-trichloroguaiacol.................................... 3,4,6-trichloroguaiacol.................................... 4,5,6-trichloroguaiacol.................................... 2,4,5-trichlorophenol...................................... 2,4,6-trichlorophenol...................................... Tetrachlorocatechol........................................ Tetrachloroguaiacol........................................ 2,3,4,6-tetrachlorophenol.................................. Pentachlorophenol.......................................... AOX........................................................ 1.16 \e\ 0.814 \e\
----------------------------------------------------------------------------------------------------------------
\a\ ``\b\ This regulation does not specify this type of limitation for this pollutant; however, pretreatment control
authorities may do so as appropriate.
\c\ Picograms per liter.
\d\ Grams per 1,000 kilograms (g/kkg).
\e\ Kilograms per 1,000 kilograms (kg/kkg).
(2) The following pretreatment standards apply with respect to each new source fiber line operated by an indirect discharger subject to this section if the indirect discharger discloses to the pretreatment control authority in a report submitted under 40 CFR 403.12(b), (d), or (e) that it uses exclusively TCF bleaching processes at that fiber line:
Subpart B
----------------------------------------------------------------------------------------------------------------
PSNS (TCF)
----------------------------------------------------
Pollutant or pollutant parameter Monthly
Maximum for any 1 day average
----------------------------------------------------------------------------------------------------------------
AOX........................................................ ----------------------------------------------------------------------------------------------------------------
\a\ ``\b\ This regulation does not specify this type of limitation for this pollutant; however, pretreatment control
authorities may do so as appropriate.
(b) The following pretreatment standards apply to all new source indirect dischargers, regardless of when they commenced discharge, in accordance with the previous subcategorization scheme. An indirect discharger is not required to meet these pretreatment standards if it certifies to the pretreatment control authority that it is not using these compounds as biocides. In cases when POTWs find it necessary to impose mass-based effluent limitations, equivalent mass limitations are provided as guidance:
Subpart B
[Supplemental PSNS for bleached kraft facilities where market pulp is
produced]
------------------------------------------------------------------------
Maximum for any 1 day
------------------------------------------
Pollutant or pollutant kg/kkg (or
property pounds per
1,000 lb) of Milligrams/liter
product
------------------------------------------------------------------------
Pentachlorophenol............ 0.0019 (0.013)(36.6)/y
Trichlorophenol.............. 0.014 (0.093)(36.6)/y
y = wastewater discharged in
kgal per ton of product.
------------------------------------------------------------------------
Subpart B
[Supplemental PSNS for bleached kraft facilities where paperboard,
coarse paper, and tissue paper are produced]
------------------------------------------------------------------------
Maximum for any 1 day
------------------------------------------
Pollutant or pollutant kg/kkg (or
property pounds per
1,000 lb) of Milligrams/liter
product
------------------------------------------------------------------------
Pentachlorophenol............ 0.0016 (0.012)(31.7)/y
Trichlorophenol.............. 0.012 (0.092)(31.7)/y
y = wastewater discharged in
kgal per ton of product.
------------------------------------------------------------------------
Subpart B
[Supplemental PSNS for bleached kraft facilities where pulp and fine
papers are produced and soda facilities where pulp and paper are
produced]
------------------------------------------------------------------------
Maximum for any 1 day
------------------------------------------
Pollutant or pollutant kg/kkg (or
parameter pounds per
1,000 lb) of Milligrams/liter
product
------------------------------------------------------------------------
Pentachlorophenol............ 0.0014 (0.014)(25.1)/y
Trichlorophenol.............. 0.011 (0.101)(25.1)/y
y = wastewater discharged in
kgal per ton of product.
------------------------------------------------------------------------
(c) An indirect discharger must demonstrate compliance with the pretreatment standards in paragraph (a)(1) of this section by monitoring at the point where the wastewater containing those pollutants leaves the bleach plant.
[63 FR 18635, Apr. 15, 1998; 63 FR 42239, Aug. 7, 1998]
§ 430.28 Best management practices (BMPs).
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The definitions and requirements set forth in 40 CFR 430.03 apply to facilities in this subpart.
Subpart C—Unbleached Kraft Subcategory
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§ 430.30 Applicability; description of the unbleached kraft subcategory.
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The provisions of this subpart are applicable to discharges resulting from: the production of pulp and paper at unbleached kraft mills; the production of pulp and paper at unbleached kraft-neutral sulfite semi-chemical (cross recovery) mills; and the production of pulp and paper at combined unbleached kraft and semi-chemical mills, wherein the spent semi-chemical cooking liquor is burned within the unbleached kraft chemical recovery system.
§ 430.31 Specialized definitions.
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For the purpose of this subpart, the general definitions, abbreviations, and methods of analysis set forth in 40 CFR part 401 and §430.01 of this part shall apply to this subpart.
§ 430.32 Effluent limitations 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 C
[BPT effluent limitations for unbleached kraft facilities]
------------------------------------------------------------------------
Kg/kkg (or pounds per 1,000
lb) of product
-------------------------------
Average of
Pollutant or pollutant property daily values
Maximum for for 30
any 1 day consecutive
days
------------------------------------------------------------------------
BOD5.................................... 5.6 2.8
TSS..................................... 12.0 6.0
pH...................................... (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 6.0 to 9.0 at all times.
Subpart C
[BPT effluent limitations for unbleached kraft facilities producing pulp
and paper using the unbleached kraft-neutral sulfite semi-chemical
(cross recovery) process]
------------------------------------------------------------------------
Kg/kkg (or pounds per 1,000
lb) of product
-------------------------------
Average of
Pollutant or pollutant property daily values
Maximum for for 30
any 1 day consecutive
days
------------------------------------------------------------------------
BOD5.................................... 8.0 4.0
TSS..................................... 12.5 6.25
pH...................................... (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 6.0 to 9.0 at all times.
Subpart C
[BPT effluent limitations for unbleached kraft facilities where pulp and
paper are produced using a combined unbleached kraft and semi-chemical
process, wherein the spent semi-chemical cooking liquor is burned within
the unbleached kraft chemical recovery system]
------------------------------------------------------------------------
Kg/kkg (or pounds per 1,000
lb) of product
-------------------------------
Average of
Pollutant or pollutant property daily values
Maximum for for 30
any 1 day consecutive
days
------------------------------------------------------------------------
BOD5.................................... (\a\) (\a\)
TSS..................................... (\a\) (\a\)
pH...................................... (\a\) (\a\)
------------------------------------------------------------------------
\a\ [Reserved]
§ 430.33 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 shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT), except that non-continuous dischargers shall not be subject to the maximum day and average-of-30-consecutive-days limitations, but shall be subject to annual average effluent limitations:
Subpart C
[BCT effluent limitations for unbleached kraft facilities]
------------------------------------------------------------------------
Kg/kkg (or pounds per 1,000 lb) of
product
--------------------------------------
Non-continuous
dischargers (annual
average)
Pollutant or pollutant property -------------------------
Continuous Average of
dischargers daily
Maximum for values for
any 1 day 30
consecutive
days
------------------------------------------------------------------------
BOD5............................. 5.6 2.8 1.9
TSS.............................. 12.0 6.0 3.6
pH............................... (\1\) (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 6.0 to 9.0 at all times.
Subpart C
[BCT effluent limitations for unbleached kraft-neutral sulfite semi-
chemical (cross recovery) process and/or a combined unbleached kraft and
semi-chemical process, wherein the spent semi-chemical cooking liquor is
burned within the unbleached kraft chemical recovery system]
------------------------------------------------------------------------
Kg/kkg (or pounds per 1,000 lb) of
product
----------------------------------------
Continuous dischargers
--------------------------- Non-
Pollutant or pollutant property Average of continuous
daily values dis-
Maximum for for 30 chargers
any 1 day consecutive (annual
days average)
------------------------------------------------------------------------
BOD5........................... 8.0 4.0 2.9
TSS............................ 12.5 6.25 3.57
pH............................. (\1\) (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 6.0 to 9.0 at all times.
§ 430.34 Effluent limitations 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 where chlorophenolic-containing biocides are used must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT). Non-continuous dischargers shall not be subject to the maximum day mass limitations in kg/kkg (lb/1000 lb), but shall be subject to concentration limitations. Concentration limitations are only applicable to non-continuous dischargers. Permittees not using chlorophenolic-containing biocides must certify to the permit-issuing authority that they are not using these biocides:
Subpart C
[BAT effluent limitations for unbleached kraft facilities]
------------------------------------------------------------------------
Maximum for any 1 day
-----------------------------------------
Pollutant or pollutant Kg/kkg (or
property pounds per
1,000 lb) Milligrams/liter
of product
------------------------------------------------------------------------
Pentachlorophenol............. 0.00058 (0.011)(12.6)/y
Trichlorophenol............... 0.00053 (0.010)(12.6)/y
y=wastewater discharged in
kgal per ton of product.
------------------------------------------------------------------------
Subpart C
[BAT effluent limitations for unbleached kraft facilities where pulp and
paper are produced using the unbleached kraft-neutral sulfite semi-
chemical (cross recovery) process and/or a combined unbleached kraft and
semi-chemical process, wherein the spent semi-chemical cooking liquor is
burned within the unbleached kraft chemical recovery system]
------------------------------------------------------------------------
Maximum for any 1 day
-----------------------------------------
Pollutant or pollutant Kg/kkg (or
property pounds per
1,000 lb) Milligrams/liter
of product
------------------------------------------------------------------------
Pentachlorophenol............. 0.00064 (0.011)(14.0)/y
Trichlorophenol............... 0.00059 (0.010)(14.0)/y
y=wastewater discharged in
kgal per ton of product.
------------------------------------------------------------------------
§ 430.35 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), except that non-continuous dischargers shall not be subject to the maximum day and average of 30 consecutive days effluent limitations for BOD5 and TSS, but shall be subject to annual average effluent limitations. Also, for non-continuous dischargers, concentration limitations (mg/l) shall apply, where provided. Concentration limitations will only apply to non-continuous dischargers. Only facilities where chlorophenolic-containing biocides are used shall be subject to pentachlorophenol and trichlorophenol limitations. Permittees not using chlorophenolic-containing biocides must certify to the permit-issuing authority that they are not using these biocides:
Subpart C
[NSPS for unbleached kraft facilities where linerboard is produced]
------------------------------------------------------------------------
Kg/kkg (or pounds per 1,000 lb) of
product
---------------------------------------
Continuous dischargers
-------------------------- Non-
Pollutant or pollutant property Average of continuous
daily dis-
Maximum for values for chargers
any 1 day 30 (annual
consecutive average)
days
------------------------------------------------------------------------
BOD5............................ 3.4 1.8 0.94
TSS............................. 5.8 3.0 1.6
pH.............................. (\1\) (\1\) (\1\)
------------------------------------------------------------------------
Maximum for any 1 day
-----------------------------------------
Kg/kkg (or
pounds per
1,000 lb) Milligrams/liter
of product
------------------------------------------------------------------------
Pentachlorophenol............. 0.00058 (0.015)(9.4)/y
Trichlorophenol............... 0.00053 (0.013)(9.4)/y
y = wastewater discharged in
kgal per ton at all times.
------------------------------------------------------------------------
\1\ Within the range of 5.0 to 9.0 at all times.
Subpart C
[NSPS for unbleached kraft facilities where bag paper and other mixed
products are produced]
------------------------------------------------------------------------
Kg/kkg (or pounds per 1,000 lb) of
product
--------------------------------------
Continuous dischargers
-------------------------- Non-
Pollutant or pollutant property Average of continuous
daily dis-
Maximum for values for chargers
any 1 day 30 (annual
consecutive average)
days
------------------------------------------------------------------------
BOD5............................. 5.0 2.71 1.4
TSS.............................. 9.1 4.8 2.5
pH............................... (\1\) (\1\) (\1\)
------------------------------------------------------------------------
Maximum for any 1 day
-----------------------------------------
Kg/kkg (or
pounds per
1,000 lb) Milligrams/liter
of product
------------------------------------------------------------------------
Pentachlorophenol............. 0.00058 (0.012)(11.4)/y
Trichlorophenol............... 0.00053 (0.011)(11.4)/y
y = wastewater discharged in
kgal per ton at all times.
------------------------------------------------------------------------
\1\ Within the range of 5.0 to 9.0 at all times.
Subpart C
[NSPS for unbleached kraft facilities where pulp and paper are produced
using the unbleached kraft-neutral sulfite semi-chemical (cross
recovery) process and/or a combined unbleached kraft and semi-chemical
process, wherein the spent semi-chemical cooking liquor is burned within
the unbleached kraft chemical recovery system]
------------------------------------------------------------------------
Kg/kkg (or pounds per 1,000 lb) of
product
--------------------------------------
Continuous dischargers
--------------------------
Pollutant or pollutant property Average of Non-
daily continuous
Maximum for values for dischargers
any 1 day 30 (annual
consecutive average)
days
------------------------------------------------------------------------
BOD5............................. 3.9 2.1 1.1
TSS.............................. 7.3 3.8 1.9
pH............................... (\1\) (\1\) (\1\)
------------------------------------------------------------------------
Maximum for any 1 day
-----------------------------------------
Kg/kkg (or
pounds per
1,000 lb) Milligrams/liter
of product
------------------------------------------------------------------------
Pentachlorophenol............. 0.00064 (0.013)(11.5)/y
Trichlorophenol............... 0.00059 (0.012)(11.5)/y
y = wastewater discharged in
kgal per ton at all times.
------------------------------------------------------------------------
\1\ Within the range of 5.0 to 9.0 at all times.
§ 430.36 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 that 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) if it uses chlorophenolic-containing biocides. Permittees not using chlorophenolic-containing biocides must certify to the permit-issuing authority that they are not using those biocides. PSES must be attained on or before July 1, 1984:
Subpart C
[PSES for unbleached kraft facilities]
----------------------------------------------------------------------------------------------------------------
Maximum for any 1 day
-----------------------------------------------------------------
Kg/kkg (or
Pollutant or pollutant property pounds per
Milligrams/liter 1,000 lb)
of product
\a\
----------------------------------------------------------------------------------------------------------------
Pentachlorophenol............................. (0.011)(12.6)/y.................................... 0.00058
Trichlorophenol............................... (0.010)(12.6)/y.................................... 0.00053
y = wastewater discharged in kgal per ton of
product.
----------------------------------------------------------------------------------------------------------------
\a\ The following equivalent mass limitations are provided as guidance in cases where POTWs find it necessary to
impose mass effluent limitations.
Subpart C
[PSES for unbleached kraft facilities where pulp and paper are produced using the unbleached kraft-neutral
sulfite semi-chemical (cross recovery) process and/or a combined unbleached kraft and semi-chemical process,
wherein the spent semi-chemical cooking liquor is burned within the unbleached kraft chemical recovery system]
----------------------------------------------------------------------------------------------------------------
Maximum for any 1 day
-----------------------------------------------------------------
Kg/kkg (or
Pollutant or pollutant property pounds per
Milligrams/liter 1,000 lb)
of product
\a\
----------------------------------------------------------------------------------------------------------------
Pentachlorophenol............................. (0.011)(14.0)/y.................................... 0.00064
Trichlorophenol............................... (0.010)(14.0)/y.................................... 0.00059
y = wastewater discharged in kgal per ton of
product.
----------------------------------------------------------------------------------------------------------------
\a\ The following equivalent mass limitations are provided as guidance in cases where POTWs find it necessary to
impose mass effluent limitations.
§ 430.37 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 that 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) if it uses chlorophenolic-containing biocides. Permittees not using chlorophenolic-containing biocides must certify to the permit-issuing authority that they are not using these biocides:
Subpart C
[PSNS for unbleached kraft facilities where linerboard is produced]
----------------------------------------------------------------------------------------------------------------
Maximum for any 1 day
-----------------------------------------------------------------
Kg/kkg (or
Pollutant or pollutant property pounds per
Milligrams/liter 1,000 lb)
of product
\a\
----------------------------------------------------------------------------------------------------------------
Pentachlorophenol............................. (0.015)(9.4)/y..................................... 0.00058
Trichlorophenol............................... (0.013)(9.4)/y..................................... 0.00053
y = wastewater discharged in kgal per ton of
product.
----------------------------------------------------------------------------------------------------------------
\a\ The following equivalent mass limitations are provided as guidance in cases where POTWs find it necessary to
impose mass effluent limitations.
Subpart C
[PSNS for unbleached kraft facilities where bag paper and other mixed products are produced]
----------------------------------------------------------------------------------------------------------------
Maximum for any 1 day
-----------------------------------------------------------------
Kg/kkg (or
Pollutant or pollutant property pounds per
Milligrams/liter 1,000 lb)
of product
\a\
----------------------------------------------------------------------------------------------------------------
Pentachlorophenol............................. (0.012)(11.4)/y.................................... 0.00058
Trichlorophenol............................... (0.011)(11.4)/y.................................... 0.00053
y = wastewater discharged in kgal per ton of
product.
----------------------------------------------------------------------------------------------------------------
\a\ The following equivalent mass limitations are provided as guidance in cases where POTWs find it necessary to
impose mass effluent limitations.
Subpart C
[PSNS for unbleached kraft facilities where pulp and paper are produced using the unbleached kraft-neutral
sulfite semi-chemical (cross recovery) process and/or a combined unbleached kraft and semi-chemical process,
wherein the spent semi-chemical cooking liquor is burned within the unbleached kraft chemical recovery system]
----------------------------------------------------------------------------------------------------------------
Maximum for any 1 day
-----------------------------------------------------------------
Kg/kkg (or
Pollutant or pollutant property pounds per
Milligrams/liter 1,000 lb)
of product
\a\
----------------------------------------------------------------------------------------------------------------
Pentachlorophenol............................. (0.013)(11.5)/y.................................... 0.00064
Trichlorophenol............................... (0.012)(11.5)/y.................................... 0.00059
y = wastewater discharged in kgal per ton of
product.
----------------------------------------------------------------------------------------------------------------
\a\ The following equivalent mass limitations are provided as guidance in cases where POTWs find it necessary to
impose mass effluent limitations.
Subpart D—Dissolving Sulfite Subcategory
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§ 430.40 Applicability; description of the dissolving sulfite subcategory.
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The provisions of this subpart are applicable to discharges resulting from the production of pulp at dissolving sulfite mills.
§ 430.41 Specialized definitions.
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For the purpose of this subpart, the general definitions, abbreviations, and methods of analysis set forth in 40 CFR part 401 and §430.01 of this part shall apply to this subpart.
§ 430.42 Effluent limitations 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 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), except that non-continuous dischargers shall not be subject to the maximum day and average of 30 consecutive days limitations but shall be subject to annual average effluent limitations:
Subpart D
[BPT effluent limitations for dissolving sulfite pulp facilities where
nitration grade pulp is produced]
------------------------------------------------------------------------
Kg/kkg (or pounds per 1,000 lb) of
product
----------------------------------------
Continuous dischargers
---------------------------- Non-
Pollutant or pollutant property Average of continuous
daily values dischargers
Maximum for for 30 (annual
any 1 day consecutive average)
days
------------------------------------------------------------------------
BOD5........................... 41.4 21.5 12.1
TSS............................ 70.65 38.05 20.9
pH............................. (\1\) (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 5.0 to 9.0 at all times.
Subpart D
[BPT effluent limitations for dissolving sulfite pulp facilities where
viscose grade pulp is produced]
------------------------------------------------------------------------
Kg/kkg (or pounds per 1,000 lb) of
product
----------------------------------------
Continuous dischargers
---------------------------- Non-
Pollutant or pollutant property Average of continuous
daily values dischargers
Maximum for for 30 (annual
any 1 day consecutive average)
days
------------------------------------------------------------------------
BOD5........................... 44.3 23.0 12.9
TSS............................ 70.65 38.05 20.9
pH............................. (\1\) (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 5.0 to 9.0 at all times.
Subpart D
[BPT effluent limitations for dissolving sulfite pulp facilities where
cellophane grade pulp is produced]
------------------------------------------------------------------------
Kg/kkg (or pounds per 1,000 lb) of
product
--------------------------------------
Continuous dischargers
--------------------------
Pollutant or pollutant property Average of Non-
daily continuous
Maximum for values for dischargers
any 1 day 30 (annual
consecutive average)
days
------------------------------------------------------------------------
BOD5............................. 48.05 24.95 14.0
TSS.............................. 70.65 38.05 20.9
pH............................... (\1\) (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 5.0 to 9.0 at all times.
Subpart D
[BPT effluent limitations for dissolving sulfite pulp facilities where
acetate grade pulp is produced]
------------------------------------------------------------------------
Kg/kkg (or pounds per 1,000 lb) of
product
--------------------------------------
Continuous dischargers
--------------------------
Pollutant or pollutant property Average of Non-
daily continuous
Maximum for values for dischargers
any 1 day 30 (annual
consecutive average)
days
------------------------------------------------------------------------
BOD5............................. \1\50.80 \1\26.40 \1\14.83
TSS.............................. 70.65 38.05 20.9
pH............................... (\2\) (\2\) (\2\)
------------------------------------------------------------------------
\1\ BOD5 effluent limitations were remanded (Weyerhaeuser Company, et al
v. Costle, 590 F. 2nd 1011; D.C. Circuit 1978).
\2\ Within the range of 5.0 to 9.0 at all times.
(b) The following limitations establish the quantity or quality of pollutants or pollutant properties, controlled by this section, resulting from the use of wet barking operations, which may be discharged by a point source subject to the provisions of this subpart. These limitations are in addition to the limitations set forth in paragraph (a) of this section and shall be calculated using the proportion of the mill's total production due to use of logs which are subject to such operations. Non-continuous dischargers shall not be subject to the maximum day and average of 30 consecutive days limitations, but shall be subject to annual average effluent limitations:
Subpart D
[BPT effluent limitations]
------------------------------------------------------------------------
Kg/kkg (or pounds per 1,000 lb) of
product
-----------------------------------------
Continuous dischargers
Pollutant or pollutant ---------------------------- Non-
property Average of continuous
daily values dis-
Maximum for for 30 chargers
any 1 day consecutive (annual
days average)
------------------------------------------------------------------------
BOD5.......................... 0.7 0.35 0.2
TSS........................... 0.15 0.1 0.05
pH............................ (\1\) (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 5.0 to 9.0 at all times.
(c) The following limitations establish the quantity or quality of pollutants or pollutant parameters, controlled by this section, resulting from the use of log washing or chip washing operations, which may be discharged by a point source subject to the provisions of this subpart. These limitations are in addition to the limitations set forth in paragraph (a) of this section and shall be calculated using the proportion of the mill's total production due to use of logs and/or chips which are subject to such operations. Non-continuous dischargers shall not be subject to the maximum day and average of 30 consecutive days limitations, but shall be subject to the annual average effluent limitations:
Subpart D
[BPT effluent limitations]
------------------------------------------------------------------------
Kg/kkg (or pounds per 1,000 lb) of
product
--------------------------------------
Continuous dischargers
--------------------------
Pollutant or pollutant property Average of Non-
daily continuous
Maximum for values for dischargers
any 1 day 30 (annual
consecutive average)
days
------------------------------------------------------------------------
BOD5............................. 0.15 0.1 0.05
TSS.............................. 0.15 0.1 0.05
pH............................... (\1\) (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 5.0 to 9.0 at all times.
(d) The following limitations establish the quantity or quality of pollutants or pollutant properties, controlled by this section, resulting from the use of log flumes or log ponds, which may be discharged by a point source subject to the provisions of this subpart. These limitations are in addition to the limitations set forth in paragraph (a) of this section and shall be calculated using the proportion of the mill's total production due to use of logs which are subject to such operations. Non-continuous dischargers shall not be subject to the maximum day and average of 30 consecutive days limitations but shall be subject to the annual average effluent limitations:
Subpart D
[BPT effluent limitations]
------------------------------------------------------------------------
Kg/kkg (or pounds per 1,000 lb) of
product
--------------------------------------
Continuous dischargers
--------------------------
Pollutant or pollutant property Average of Non-
daily continuous
Maximum for values for dischargers
any 1 day 30 (annual (continued)