Code of Federal Regulations (alpha)

CFR /  Title 40  /  Part 430  /  Sec. 430.52 Effluent limitations representing the degree of effluent technology currently available (BPT).

(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):

Subpart E

[Bisulfite liquor/surface condensers; BPT effluent limitations for

papergrade sulfite facilities where blow pit washing techniques are

used]------------------------------------------------------------------------

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............................ 31.8 16.55 9.30TSS............................. 43.95 23.65 12.99pH.............................. (\1\) (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 5.0 to 9.0 at all times.

Subpart E

[Bisulfite liquor/barometric condensers; BPT effluent limitations for

papergrade sulfite facilities where blow pit washing techniques are

used]------------------------------------------------------------------------

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............................ 34.7 18.05 10.14TSS............................. 52.2 28.1 15.44pH.............................. (\1\) (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 5.0 to 9.0 at all times.

Subpart E

[Acid sulfite liquor/surface condensers; BPT effluent limitations for

papergrade sulfite facilities where blow pit washing techniques are

used]------------------------------------------------------------------------

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........................... 32.3 16.8 9.44TSS............................ 43.95 23.65 12.99pH............................. (\1\) (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 5.0 to 9.0 at all times.

Subpart E[Acid sulfite liquor/barometric condensers; BPT effluent limitations for

papergrade sulfite facilities where blow pit washing techniques are

used]------------------------------------------------------------------------

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............................ 35.55 18.5 10.39TSS............................. 52.2 28.1 15.44pH.............................. (\1\) (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 5.0 to 9.0 at all times.

Subpart E

[Bisulfite liquor/surface condensers; BPT effluent limitations forpapergrade sulfite facilities where vacuum or pressure drums are used to

wash pulp]------------------------------------------------------------------------

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........................... 26.7 13.9 7.81TSS............................ 43.95 23.65 12.99pH............................. (\1\) (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 5.0 to 9.0 at all times.Note: Limitations above do not apply to mills using continuous

digesters.

Subpart E

[Bisulfite liquor/barometric condensers; BPT effluent limitations forpapergrade sulfite facilities where vacuum or pressure drums are used to

wash pulp]------------------------------------------------------------------------

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............................. 29.4 15.3 8.60TSS.............................. 52.2 28.1 15.44pH............................... (\1\) (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 5.0 to 9.0 at all times.Note: Limitations above do not apply to mills using continuous

digesters.

Subpart E

[Acid sulfite liquor/surface condensers; BPT effluent limitations forpapergrade sulfite facilities where vacuum or pressure drums are used to

wash pulp]------------------------------------------------------------------------

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............................ 29.75 15.5 8.71TSS............................. 43.95 23.65 12.99

pH.............................. (\1\) (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 5.0 to 9.0 at all times.Note: Limitations above do not apply to mills using continuous

digesters.

Subpart E[Acid sulfite liquor/barometric condensers; BPT effluent limitations forpapergrade sulfite facilities where vacuum or pressure drums are used to

wash pulp]------------------------------------------------------------------------

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............................. 32.5 16.9 9.49TSS.............................. 52.2 28.1 15.44pH............................... (\1\) (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 5.0 to 9.0 at all times.Note: Limitations above do not apply to mills using continuous

digesters.

Subpart E

[Continuous digesters; BPT effluent limitations for papergrade sulfite

facilities where vacuum or pressure drums are used to wash pulp]------------------------------------------------------------------------

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............................. 38.15 19.85 11.15TSS.............................. 53.75 28.95 15.91pH............................... (\1\) (\1\) (\1\)------------------------------------------------------------------------\1\ 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:

Subpart E

[BPT effluent limitations for papergrade sulfite facilities where blow

pit washing techniques are used]------------------------------------------------------------------------

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............................. 2.7 1.45 0.80TSS.............................. 7.5 3.95 2.19pH............................... (\1\) (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 5.0 to 9.0 at all times.

Subpart E[BPT effluent limitations for papergrade sulfite facilities where vacuum

or pressure drums are used to wash pulp]------------------------------------------------------------------------

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........................... 3.05 1.6 0.90TSS............................ 7.5 3.95 2.19pH............................. (\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:

Subpart E

[BPT effluent limitations for papergrade sulfite facilities where blow

pit washing techniques are used]------------------------------------------------------------------------

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............................ 0.15 0.1 0.05TSS............................. 2.55 1.35 0.75pH.............................. (\1\) (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 5.0 to 9.0 at all times.

Subpart E[BPT effluent limitations for papergrade sulfite facilities where vacuum

or pressure drums are used to wash pulp]------------------------------------------------------------------------

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........................... 0.35 0.2 0.1TSS............................ 2.55 1.35 0.75pH............................. (\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:

Subpart E

[BPT effluent limitations for papergrade sulfite facilities where blow

pit washing techniques are used]------------------------------------------------------------------------

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............................ 0.35 0.2 0.1TSS............................. 1.7 0.9 0.5pH.............................. (\1\) (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 5.0 to 9.0 at all times.

Subpart E[BPT effluent limitations for papergrade sulfite facilities where vacuum

or pressure drums are used to wash pulp]------------------------------------------------------------------------

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........................... 0.7 0.35 0.2TSS............................ 1.70 0.9 0.5pH............................. (\1\) (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 5.0 to 9.0 at all times.