Maximum for any 1 day

Kg/kkg (or pounds per 1,000 lb) of

product

Milligrams liter

y = wastewater discharged in kgal per ton at all times.

Within the range of 5.0 to 9.0 at all times.

$ 430.66 Pretreatment standards for pretreatment standards for existing existing sources (PSES).

sources (PSES) if it uses Except as provided in 40 CFR 403.7 chlorophenolic-containing biocides. and 403.13, any existing source subject

Permittees not using chlorophenolicto this subpart that introduces pollut

containing biocides must certify to the ants into a publicly owned treatment permit-issuing authority that they are works must: comply with 40 CFR part not using these biocides. PSES must be 403; and achieve the following attained on or before July 1, 1984:

SUBPART F

Pentachlorophenol

(0.032)(10.3)/y

0.0014 Trichlorophenol

(0.010)(10.3)/y

0.00043 y = wastewater discharged in kgal ton of product.

a The following equivalent mass limitations are provided as guidance in cases when POTWs find it necessary to impose mass equivalent limitations.

$ 430.67 Pretreatment standards for achieve the following pretreatment new sources (PSNS).

standards for new sources (PSNS) if it

uses Except as provided in 40 CFR 403.7,

chlorophenolic-containing

biocides. Permittees not using any new source subject to this subpart

chlorophenolic-containing biocides that introduces pollutants into a pub

must certify to the permit-issuing aulicly owned treatment works must:

thority that they are not using these comply with 40 CFR part 403; and

biocides: SUBPART F

PSNS

Maximum for any 1 day

Pollutant or pollutant property

Milligrams/liter

Kg/kkg (or pounds per 1,000 lb) of product a

Pentachlorophenol

(0.045)(7.3)/y

0.0014 Trichlorophenol

(0.014)(7.3)/y

0.00043 y = wastewater discharged in kgal per ton of product.

a The following equivalent mass limitations are provided as guidance in cases when POTWs find it necessary to impose mass equivalent limitations.

Subpart G-Mechanical Pulp part 401 and $ 430.01 of this part shall Subcategory

apply to this subpart. $ 430.70 Applicability; description of

$ 430.72 Effluent limitations repthe mechanical pulp subcategory.

resenting the degree of effluent re

duction attainable by the applicaThe provisions of this subpart are ap

tion of the best practicable control plicable to discharges resulting from:

technology currently available the production of pulp and paper at (BPT). groundwood chemi-mechanical mills; the production of pulp and paper at

(a) Except as provided in 40 CFR groundwood mills through the applica

125.30 through 125.32, any existing point tion of the thermo-mechanical process;

source subject to this subpart must the integrated production of pulp and achieve the following effluent limitacoarse paper, molded pulp products, tions representing the degree of effluand newsprint at groundwood mills; ent reduction attainable by the appliand the integrated production of pulp cation of the best practicable control and fine paper at groundwood mills. technology currently available (BPT),

except that non-continuous dischargers $ 430.71 Specialized definitions.

shall not be subject to the maximum For the purpose of this subpart, the day and average of 30 consecutive days general definitions, abbreviations, and limitations but shall be subject to anmethods of analysis set forth in 40 CFR nual average effluent limitations:

SUBPART G [BPT effluent limitations for mechanical pulp facilities where pulp and paper at groundwood chemi-mechanical mills are

produced)

SUBPART G [BPT effluent limitations for mechanical pulp facilities where pulp and paper at groundwood mills are produced through the

application of the thermo-mechanical process)

SUBPART G [BPT effluent limitations for mechanical pulp facilities where the integrated production of pulp and coarse paper, molded pulp

products, and newsprint at groundwood mills occurs)

SUBPART G [BPT effluent limitations for mechanical pulp facilities where the integrated production of pulp and fine paper at groundwood mills

occurs]

(b) The following limitations estab- this section and shall be calculated lish the quantity or quality of pollut- using the proportion of the mill's total ants or pollutant properties, controlled production due to use of logs which are by this section, resulting from the use subject to such operations. Non-continof wet barking operations, which may uous dischargers shall not be subject to be discharged by a point source subject the maximum day and average of 30 to the provisions of this subpart. These consecutive days limitations, but shall limitations are in addition to the limi- be subject to annual average effluent tations set forth in paragraph (a) of limitations:

SUBPART G (BPT effluent limitations for mechanical pulp facilities where pulp and paper at groundwood chemi-mechanical mills are

produced]

SUBPART G [BPT effluent limitations for mechanical pulp facilities where pulp and paper at groundwood mills are produced through the

application of the thermo-mechanical process)

SUBPART G [BPT effluent limitations for mechanical pulp facilities where the integrated production of pulp and coarse paper, molded pulp

products, and newsprint at groundwood mills occurs)

SUBPART G [BPT effluent limitations for mechanical pulp facilities where the integrated production of pulp and fine paper at groundwood mills

occurs)

SUBPART G (BPT effluent limitations for mechanical pulp facilities where pulp and paper at groundwood chemi-mechanical mills are

produced]

SUBPART G (BPT effluent limitations for mechanical pulp facilities where pulp and paper at groundwood mills are produced through the

application of the thermo-mechanical process)

SUBPART G (BPT etfluent limitations for mechanical pulp facilities where the integrated production of pulp and coarse paper, molded pulp

products, and newsprint at groundwood mills occurs)

SUBPART G [BPT effluent limitations for mechanical pulp facilities where the integrated production of pulp and fine paper at groundwood Mills

occurs)

Pollutant or pollutant property

Kg/kkg (or pounds per 1,000 lb) of

product Continuous dischargers

Non-continAverage of