Code of Federal Regulations (alpha)

CFR /  Title 40  /  Part 420  /  Sec. 420.105 Pretreatment standards for existing sources (PSES).

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.

(a) Cold rolling--(1) Recirculation--single stand.

Subpart J------------------------------------------------------------------------

Pretreatment standards for

existing sources

---------------------------

Average of

Pollutant or pollutant property daily values

Maximum for for 30

any 1 day consecutive

days------------------------------------------------------------------------

Kg/kkg (pounds per 1,000

lb) of product

---------------Chromium \1\................................ 0.0000209 0.0000084Lead........................................ 0.0000094 0.0000031Nickel \1\.................................. 0.0000188 0.0000063Zinc........................................ 0.0000063 0.0000021Naphthalene................................. 0.0000021 ............Tetrachloroethylene......................... 0.0000031 ............------------------------------------------------------------------------\1\ The limitations for chromium and nickel shall be applicable in lieu

of those for lead and zinc when cold rolling wastewaters are treated

with descaling or combination acid pickling wastewaters.

(2) Recirculation--multiple stands.

Subpart J------------------------------------------------------------------------

Pretreatment standards for

existing sources

---------------------------

Average of

Pollutant or pollutant property daily values

Maximum for for 30

any 1 day consecutive

days------------------------------------------------------------------------

Kg/kkg (pounds per 1,000

lb) of product

---------------Chromium \1\................................ 0.000104 0.0000418Lead........................................ 0.0000469 0.0000156Nickel \1\.................................. 0.0000939 0.0000313Zinc........................................ 0.0000313 0.0000104Naphthalene................................. 0.0000104 ............Tetrachloroethylene......................... 0.0000156 ............------------------------------------------------------------------------\1\ The limitations for chromium and nickel shall be applicable in lieu

of those for lead and zinc when cold rolling wastewaters are treated

with descaling or combination acid pickling wastewaters.

(3) Combination.

Subpart J------------------------------------------------------------------------

Pretreatment standards

for existing sources

------------------------

Average of

Pollutant or pollutant property daily

Maximum values for

for any 1 30

day consecutive

days------------------------------------------------------------------------

Kg/kkg (pounds per

1,000 lb) of product

-------------Chromium \1\................................... 0.00125 0.000501Lead........................................... 0.000563 0.000188Nickel \1\..................................... 0.00113 0.000376Zinc........................................... 0.000376 0.000125Naphthalene.................................... 0.000125 ...........

Tetrachloroethylene............................ 0.000188 ...........------------------------------------------------------------------------\1\ The limitations for chromium and nickel shall be applicable in lieu

of those for lead and zinc when cold rolling wastewaters are treated

with descaling or combination acid pickling wastewaters.

(4) Direct application--single stand.

Subpart J------------------------------------------------------------------------

Pretreatment standards for

existing sources

---------------------------

Average of

Pollutant or pollutant property daily values

Maximum for for 30

any 1 day consecutive

days------------------------------------------------------------------------

Kg/kkg (pounds per 1,000

lb) of product

---------------Chromium \1\................................ 0.000376 0.000150Lead........................................ 0.000169 0.0000563Nickel \1\.................................. 0.000338 0.000113Zinc........................................ 0.000113 0.0000376Naphthalene................................. 0.0000376 ............Tetrachloroethylene......................... 0.0000563 ............------------------------------------------------------------------------\1\ The limitations for chromium and nickel shall be applicable in lieu

of those for lead and zinc when cold rolling wastewaters are treated

with descaling or combination acid pickling wastewaters.

(5) Direct application--multiple stands.

Subpart J------------------------------------------------------------------------

Pretreatment standards

for existing sources

------------------------

Average of

Pollutant or pollutant property daily

Maximum values for

for any 1 30

day consecutive

days------------------------------------------------------------------------

Kg/kkg (pounds per

1,000 lb) of product

-------------Chromium \1\................................... 0.00167 0.000668Lead........................................... 0.000751 0.000250Nickel \1\..................................... 0.00150 0.000501Zinc........................................... 0.000501 0.000167Napthalene..................................... 0.000167 ...........Tetrachloroethylene............................ 0.000250 ...........------------------------------------------------------------------------\1\ The limitations for chromium and nickel shall be applicable in lieu

of those for lead and zinc when cold rolling wastewaters are treated

with descaling or combination acid pickling wastewaters.

(b) Cold worked pipe and tube mills--(1) Using water.

Subpart J------------------------------------------------------------------------

Pretreatment standards

for existing sources

-------------------------

Average of

Pollutant or pollutant property daily

Maximum for values for

any 1 day 30

consecutive

days------------------------------------------------------------------------

kg/kkg (pounds per 1,000

lb) of product

--------------Chromium \1\.................................. 0.0000209 0.0000084Lead.......................................... 0.0000094 0.0000031Nickel \1\.................................... 0.0000188 0.0000063Zinc.......................................... 0.0000063 0.0000021------------------------------------------------------------------------\1\ The limitations for chromium and nickel shall be applicable in lieu

of those for lead and zinc when cold forming wastewaters are treated

with descaling or combination acid pickling wastewaters.

(2) Using oil solutions.

Subpart J------------------------------------------------------------------------

Pretreatment standards

for existing sources

-------------------------

Average of

Pollutant or pollutant property daily

Maximum for values for

any 1 day 30

consecutive

days------------------------------------------------------------------------

kg/kkg (pounds per 1,000

lb) of product

--------------Chromium \1\.................................. 0.0000209 0.0000084Lead.......................................... 0.0000094 0.0000031Nickel \1\.................................... 0.0000188 0.0000063Zinc.......................................... 0.0000063 0.0000021Naphthalene................................... 0.0000021 ...........Tetrachloroethylene........................... 0.0000031 ...........------------------------------------------------------------------------\1\ The limitations for chromium and nickel shall be applicable in lieu

of those for lead and zinc when cold forming wastewaters are treated

with descaling or combination acid pickling wastewaters. [47 FR 23284, May 27, 1982, as amended at 49 FR 21035, May 17, 1984]