CCLME.ORG - 40 CFR PART 421—NONFERROUS METALS MANUFACTURING POINT SOURCE CATEGORY

(continued)
Titanium...................................... 21.550 9.398
Oil and grease................................ 458.400 275.100
Total suspended solids........................ 939.800 447.000
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

(i) Acid leachate and rinse water.

BPT Limitations for the Primary and Secondary Titanium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
titanium
produced
-------------------------
Chromium (total).............................. 5.210 2.131
Lead.......................................... 4.973 2.368
Nickel........................................ 22.730 15.040
Titanium...................................... 11.130 4.854
Oil and grease................................ 236.800 142.100
Total suspended solids........................ 485.400 230.900
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

(j) Sponge crushing and screening wet air pollution control.

BPT Limitations for the Primary and Secondary Titanium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
titanium
produced
-------------------------
Chromium (total).............................. 2.847 1.165
Lead.......................................... 2.717 1.294
Nickel........................................ 12.420 8.217
Titanium...................................... 6.082 2.653
Oil and grease................................ 129.400 77.640
Total suspended solids........................ 265.300 126.200
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

(k) Acid pickle and wash water.

BPT Limitations for the Primary and Secondary Titanium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
titanium
pickled
-------------------------
Chromium (total).............................. 0.027 0.011
Lead.......................................... 0.026 0.012
Nickel........................................ 0.117 0.077
Titanium...................................... 0.057 0.025
Oil and grease................................ 1.220 0.732
Total suspended solids........................ 2.501 1.190
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

(l) Scrap milling wet air pollution control.

BPT Limitations for the Primary and Secondary Titanium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
scrap
milled
-------------------------
Chromium (total).............................. 0.995 0.407
Lead.......................................... 0.950 0.452
Nickel........................................ 4.341 2.871
Titanium...................................... 2.125 0.927
Oil and grease................................ 45.220 27.130
Total suspended solids........................ 92.700 44.090
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

(m) Scrap detergent wash water.

BPT Limitations for the Primary and Secondary Titanium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
scrap
washed
-------------------------
Chromium (total).............................. 7.948 3.252
Lead.......................................... 7.587 3.613
Nickel........................................ 34.680 22.940
Titanium...................................... 16.980 7.406
Oil and grease................................ 361.300 216.800
Total suspended solids........................ 740.600 352.300
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

(n) Casting crucible wash water.

BPT Limitations for the Primary and Secondary Titanium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
titanium
cast
-------------------------
Chromium (total).............................. 0.210 0.086
Lead.......................................... 0.200 0.095
Nickel........................................ 0.916 0.606
Titanium...................................... 0.448 0.196
Oil and grease................................ 9.540 5.724
Total suspended solids........................ 19.560 9.302
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

(o) Casting contact cooling water.

BPT Limitations for the Primary and Secondary Titanium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
titanium
cast
-------------------------
Chromium (total).............................. 321.100 131.400
Lead.......................................... 306.500 145.900
Nickel........................................ 1,401.000 926.800
Titanium...................................... 685.900 299.200
Oil and grease................................ 14,590.000 8,757.000
Total suspended solids........................ 29,920.000 14,230.000
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

§ 421.303 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
top
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 available technology economically achievable:

(a) Chlorination off-gas wet air pollution control.

BAT Limitations for the Primary and Secondary Titanium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
TiCl4
produced
-------------------------
Chromium (total).............................. 0.346 0.140
Lead.......................................... 0.262 0.122
Nickel........................................ 0.515 0.346
Titanium...................................... 0.496 0.215
------------------------------------------------------------------------

(b) Chlorination area-vent wet air pollution control.

BAT Limitations for the Primary and Secondary Titanium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
TiCl4
produced
-------------------------
Chromium (total).............................. 0.385 0.156
Lead.......................................... 0.291 0.135
Nickel........................................ 0.572 0.385
Titanium...................................... 0.551 0.239
------------------------------------------------------------------------

(c) TiCl4 handling wet air pollution control.

BAT Limitations for the Primary and Secondary Titanium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
TiCl4
handled
-------------------------
Chromium (total).............................. 0.069 0.028
Lead.......................................... 0.052 0.024
Nickel........................................ 0.103 0.069
Titanium...................................... 0.099 0.043
------------------------------------------------------------------------

(d) Reduction area wet air pollution control.

BAT Limitations for the Primary and Secondary Titanium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
titanium
produced
-------------------------
Chromium (total).............................. 1.528 0.620
Lead.......................................... 1.156 0.537
Nickel........................................ 2.272 1.528
Titanium...................................... 2.189 0.950
------------------------------------------------------------------------

(e) Melt cell wet air pollution control.

BAT Limitations for the Primary and Secondary Titanium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
titanium
produced
-------------------------
Chromium (total).............................. 0.787 0.319
Lead.......................................... 0.595 0.276
Nickel........................................ 1.169 0.787
Titanium...................................... 1.127 0.489
------------------------------------------------------------------------

(f) Chlorine liquefaction wet air pollution control.

BAT Limitations for the Primary and Secondary Titanium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
titanium
produced
-------------------------
Chromium (total).............................. 11.010 4.463
Lead.......................................... 8.332 3.868
Nickel........................................ 16.370 11.010
Titanium...................................... 15.770 6.844
------------------------------------------------------------------------

(g) Sodium reduction container reconditioning wash water.

BAT Limitations for the Primary and Secondary Titanium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
titanium
produced
-------------------------
Chromium (total).............................. 0.474 0.192
Lead.......................................... 0.359 0.167
Nickel........................................ 0.705 0.474
Titanium...................................... 0.679 0.295
------------------------------------------------------------------------

(h) Chip crushing wet air pollution control.

BAT Limitations for the Primary and Secondary Titanium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
titanium
produced
-------------------------
Chromium (total).............................. 0.848 0.344
Lead.......................................... 0.642 0.298
Nickel........................................ 1.261 0.848
Titanium...................................... 1.215 0.527
------------------------------------------------------------------------

(i) Acid leachate and rinse water.

BAT Limitations for the Primary and Secondary Titanium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
titanium
produced
-------------------------
Chromium (total).............................. 4.381 1.776
Lead.......................................... 3.315 1.539
Nickel........................................ 6.512 4.381
Titanium...................................... 6.275 2.723
------------------------------------------------------------------------

(j) Sponge crushing and screening wet air pollution control.

BAT Limitations for the Primary and Secondary Titanium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
titanium
produced
-------------------------
Chromium (total).............................. 0.239 0.097
Lead.......................................... 0.181 0.084
Nickel........................................ 0.356 0.239
Titanium...................................... 0.343 0.149
------------------------------------------------------------------------

(k) Acid pickle and wash water.

BAT Limitations for the Primary and Secondary Titanium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
titanium
pickled
-------------------------
Chromium (total).............................. 0.023 0.009
Lead.......................................... 0.017 0.008
Nickel........................................ 0.034 0.023
Titanium...................................... 0.032 0.014
------------------------------------------------------------------------

(l) Scrap milling wet air pollution control.

BAT Limitations for the Primary and Secondary Titanium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
scrap
milled
-------------------------
Chromium (total).............................. 0.084 0.034
Lead.......................................... 0.064 0.030
Nickel........................................ 0.125 0.084
Titanium...................................... 0.120 0.052
------------------------------------------------------------------------

(m) Scrap detergent wash water.

BAT Limitations for the Primary and Secondary Titanium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
scrap
washed
-------------------------
Chromium (total).............................. 6.684 2.710
Lead.......................................... 5.058 2.348
Nickel........................................ 9.935 6.684
Titanium...................................... 9.574 4.155
------------------------------------------------------------------------

(n) Casting crucible wash water.

BAT Limitations for the Primary and Secondary Titanium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
titanium
cast
-------------------------
Chromium (total).............................. 0.176 0.072
Lead.......................................... 0.134 0.062
Nickel........................................ 0.262 0.176
Titanium...................................... 0.253 0.110
------------------------------------------------------------------------

(o) Casting contact cooling water.

BAT Limitations for the Primary and Secondary Titanium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
titanium
cast
---------------------------
Chromium (total)............................ 27.000 10.950
Lead........................................ 20.430 9.486
Nickel...................................... 40.140 27.000
Titanium.................................... 38.68 16.78
------------------------------------------------------------------------

§ 421.304 Standards of performance for new sources.
top
Any new source subject to this subpart shall achieve the following new source performance standards:

(a) Chlorination off-gas wet air pollution control.

NSPS Limitations for the Primary and Secondary Titanium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
TiCl4
produced
-------------------------
Chromium (total).............................. 0.346 0.140
Lead.......................................... 0.262 0.122
Nickel........................................ 0.515 0.346
Titanium...................................... 0.496 0.215
Oil and grease................................ 9.360 9.360
Total suspended solids........................ 14.040 11.230
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

(b) Chlorination area-vent wet air pollution control.

NSPS Limitations for the Primary and Secondary Titanium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
TiCl4
produced
-------------------------
Chromium (total).............................. 0.385 0.156
Lead.......................................... 0.291 0.135
Nickel........................................ 0.572 0.385
Titanium...................................... 0.551 0.239
Oil and grease................................ 10.400 10.400
Total suspended solids........................ 15.600 12.480
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.0 to 10.0 at all times.

(c) TiCl4 handling wet air pollution control.

NSPS Limitations for the Primary and Secondary Titanium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
TiCl4
handled
-------------------------
Chromium (total).............................. 0.069 0.028
Lead.......................................... 0.052 0.024
Nickel........................................ 0.103 0.069
Titanium...................................... 0.099 0.043
Oil and grease................................ 1.870 1.870
Total suspended solids........................ 2.805 2.244
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

(d) Reduction area wet air pollution control.

NSPS Limitations for the Primary and Secondary Titanium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
titanium
produced
-------------------------
Chromium (total).............................. 1.528 0.620
Lead.......................................... 1.156 0.537
Nickel........................................ 2.272 1.528
Titanium...................................... 2.189 0.950
Oil and grease................................ 41.300 41.300
Total suspended solids........................ 61.950 49.560
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

(e) Melt cell wet air pollution control.

NSPS for the Primary and Secondary Titanium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
titanium
produced
-------------------------
Chromium (total).............................. 0.787 0.319
Lead.......................................... 0.595 0.276
Nickel........................................ 1.169 0.787
Titanium...................................... 1.127 0.489
Oil and grease................................ 21.260 21.260
Total suspended solids........................ 31.890 25.510
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

(f) Chlorine liquefaction wet air pollution control.

NSPS for the Primary and Secondary Titanium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pound per
million
pounds) of
titanium
produced
-------------------------
Chromium (total).............................. 0.000 0.000
Lead.......................................... 0.000 0.000
Nickel........................................ 0.000 0.000
Titanium...................................... 0.000 0.000
Oil and grease................................ 0.000 0.000
Total suspended solids........................ 0.000 0.000
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

(g) Sodium reduction container reconditioning wash.

NSPS for the Primary and Secondary Titanium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pound per
million
pounds) of
titanium
produced
-------------------------
Chromium (total).............................. 0.474 0.192
Lead.......................................... 0.359 0.167
Nickel........................................ 0.705 0.474
Titanium...................................... 0.679 0.295
Oil and grease................................ 12.820 12.820
Total suspended solids........................ 19.230 15.380
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

(h) Chip crushing wet air pollution control.

NSPS for the Primary and Secondary Titanium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pound per
million
pounds) of
titanium
produced
-------------------------
Chromium (total).............................. 0.000 0.000
Lead.......................................... 0.000 0.000
Nickel........................................ 0.000 0.000
Titanium...................................... 0.000 0.000
Oil and grease................................ 0.000 0.000
Total suspended solids........................ 0.000 0.000
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

(i) Acid leachate and rinse water.

NSPS for the Primary and Secondary Titanium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pound per
million
pounds) of
titanium
produced
-------------------------
Chromium (total).............................. 4.381 1.776
Lead.......................................... 3.315 1.539
Nickel........................................ 6.512 4.381
Titanium...................................... 6.275 2.723
Oil and grease................................ 118.400 118.400
Total suspended solids........................ 177.600 142.100
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

(j) Sponge crushing and screening wet air pollution control.

NSPS for the Primary and Secondary Titanium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
titanium
produced
-------------------------
Chromium (total).............................. 0.000 0.000
Lead.......................................... 0.000 0.000
Nickel........................................ 0.000 0.000
Titanium...................................... 0.000 0.000
Oil and grease................................ 0.000 0.000
Total suspended solids........................ 0.000 0.000
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

(k) Acid pickle and wash water.

NSPS for the Primary and Secondary Titanium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
titanium
pickled
-------------------------
Chromium (total).............................. 0.023 0.009
Lead.......................................... 0.017 0.008
Nickel........................................ 0.034 0.023
Titanium...................................... 0.032 0.014
Oil and grease................................ 0.610 0.610
Total suspended solids........................ 0.915 0.732
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

(l) Scrap milling wet air pollution control.

NSPS for the Primary and Secondary Titanium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------
mg/kg
(pounds per
million
pounds) of
scrap
milled
-------------------------
Chromium (total).............................. 0.000 0.000
Lead.......................................... 0.000 0.000
Nickel........................................ 0.000 0.000
Titanium...................................... 0.000 0.000
Oil and grease................................ 0.000 0.000
Total suspended solids........................ 0.000 0.000
pH............................................ (\1\) (\1\)
------------------------------------------------------------------------
\1\ Within the range of 7.5 to 10.0 at all times.

(m) Scrap detergent wash water.

NSPS for the Primary and Secondary Titanium Subcategory
------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average
------------------------------------------------------------------------ (continued)