421.153—Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
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)
Solvent extraction raffinate from bertrandite ore.
BAT Limitations for the Primary Beryllium Subcategory
|
mg/kg (pounds per million pounds) of beryllium carbonate produced from bertrandite ore as beryllium
|
| Beryllium |
1,842.000 |
831.000 |
| Chromium (total) |
831.000 |
336.900 |
| Copper |
2,875.000 |
1,370.000 |
| Cyanide (total) |
449.200 |
179.700 |
| Ammonia (as N) |
299,400.000 |
131,600.000 |
| Fluoride |
78,610.000 |
44,700.000 |
(b)
Solvent extraction raffinate from beryl ore.
BAT Limitations for the Primary Beryllium Subcategory
|
mg/kg (pounds per million pounds) of beryllium carbonate produced from beryl ore as beryllium
|
| Beryllium |
180.4 |
81.4 |
| Chromium (total) |
81.4 |
33.0 |
| Copper |
281.6 |
134.2 |
| Cyanide (total) |
44.0 |
17.6 |
| Ammonia (as N) |
29,330.0 |
12,890.0 |
| Fluoride |
7,700.0 |
4,378.0 |
(c)
Beryllium carbonate filtrate.
BAT Limitations for the Primary Beryllium Subcategory
|
mg/kg (pounds per million pounds) of beryllium carbonate produced as beryllium |
| Beryllium |
175.900 |
79.370 |
| Chromium (total) |
79.370 |
32.180 |
| Copper |
274.600 |
130.800 |
| Cyanide (total) |
42.900 |
17.160 |
| Ammonia (as N) |
28,590.000 |
12,570.000 |
| Fluoride |
7,508.000 |
4,269.000 |
(d)
Beryllium Hydroxide Filtrate.
BAT Limitations for the Primary Beryllium Subcategory
|
mg/kg (pounds per million pounds) of beryllium hydroxide produced as beryllium |
| Beryllium |
111.520 |
50.320 |
| Chromium (Total) |
50.320 |
20.400 |
| Copper |
174.080 |
82.960 |
| Cyanide (Total) |
27.200 |
10.880 |
| Ammonia (as N) |
18128.800 |
7969.600 |
| Fluoride |
4760.000 |
2706.400 |
(e)
Beryllium oxide calcining furnace wet air pollution control.
BAT Limitations for the Primary Beryllium Subcategory
|
mg/kg (pounds per million pounds) of beryllium oxide produced |
| Beryllium |
216.20 |
97.57 |
| Chromium (total) |
97.57 |
39.56 |
| Copper |
337.50 |
160.90 |
| Cyanide (total) |
52.74 |
21.10 |
| Ammonia (as N) |
35,150.00 |
15,450.00 |
| Fluoride |
9,230.00 |
5,248.00 |
(f)
Beryllium hydroxide supernatant.
BAT Limitations for the Primary Beryllium Subcategory
|
mg/kg (pounds per million pounds) of beryllium hydroxide produced from scrap and residues as beryllium |
| Beryllium |
188.6 |
85.1 |
| Chromium (total) |
85.1 |
34.5 |
| Copper |
294.4 |
140.3 |
| Cyanide (total) |
46.0 |
18.4 |
| Ammonia (as N) |
30,660.0 |
13,480.0 |
| Fluoride |
160,308.0 |
71,201.0 |
BAT Limitations for the Primary Beryllium Subcategory
|
mg/kg (pounds per million pounds) of beryllium pebbles produced |
| Beryllium |
143.30 |
64.68 |
| Chromium (total) |
64.68 |
26.22 |
| Copper |
223.70 |
106.60 |
| Cyanide (total) |
34.96 |
13.98 |
| Ammonia (as N) |
23,300.00 |
10,240.00 |
| Fluoride |
6,118.00 |
3,479.00 |
(h)
Fluoride furnace scrubber.
BAT Limitations for the Primary Beryllium Subcategory
|
mg/kg (pounds per million pounds) of beryllium pebbles produced |
| Beryllium |
0.000 |
0.000 |
| Chromium (total) |
0.000 |
0.000 |
| Copper |
0.000 |
0.000 |
| Cyanide (total) |
0.000 |
0.000 |
| Ammonia (as N) |
0.000 |
0.000 |
| Fluoride |
0.000 |
0.000 |
(i)
Chip treatment wastewater.
BAT Limitations for the Primary Beryllium Subcategory
|
mg/kg (pounds per million pounds) of beryllium scrap chips treated |
| Beryllium |
6.355 |
2.868 |
| Chromium (total) |
2.868 |
1.163 |
Code of Federal Regulations
540
|
| Copper |
9.920 |
4.728 |
| Cyanide (total) |
1.550 |
0.620 |
| Ammonia (as N) |
1,033.000 |
454.200 |
| Fluoride |
271.300 |
154.200 |
(j)
Beryllium pebble plant area vent wet air pollution control.
BAT Limitations for the Primary Beryllium Subcategory
|
mg/kg (pounds per million pounds) of beryllium pebbles produced |
| Beryllium |
0.000 |
0.000 |
| Chromium (total) |
0.000 |
0.000 |
| Copper |
0.000 |
0.000 |
| Cyanide (total) |
0.000 |
0.000 |
| Ammonia (as N) |
0.000 |
0.000 |
| Fluoride |
0.000 |
0.000 |
(k)
Beryl Ore Gangue Dewatering.
BAT Limitations for the Primary Beryllium Subcategory
|
mg/kg (pounds per million pounds) of beryl ore processed
|
| Beryllium |
0.855 |
0.386 |
| Chromium (Total) |
0.386 |
0.156 |
| Copper |
1.335 |
0.636 |
| Cyanide (Total) |
0.209 |
0.083 |
| Ammonia (as N) |
139.032 |
61.120 |
| Fluoride |
36.505 |
20.756 |
(l)
Bertrandite Ore Gangue Dewatering.
BAT Limitations for the Primary Beryllium Subcategory
|
mg/kg (pounds per million pounds) of bertrandite ore processed |
| Beryllium |
2.185 |
0.986 |
| Chromium (Total) |
0.986 |
0.400 |
| Copper |
3.411 |
1.626 |
| Cyanide (Total) |
0.533 |
0.213 |
| Ammonia (as N) |
355.245 |
156.169 |
| Fluoride |
93.275 |
53.034 |
(m)
Beryl Ore Processing.
BAT Limitations for the Primary Beryllium Subcategory
|
mg/kg (pounds per million pounds) of beryl ore processed |
| Beryllium |
5.988 |
2.702 |
| Chromium (Total) |
2.702 |
1.095 |
| Copper |
9.348 |
4.455 |
| Cyanide (Total) |
1.461 |
0.584 |
| Ammonia (as N) |
973.490 |
427.956 |
| Fluoride |
255.605 |
145.330 |
(n)
Alumium Iron Sludge (AIS) Area Wastewater.
BAT Limitations for the Primary Beryllium Subcategory
|
mg/kg (pounds per million pounds) of total beryllium carbonate produced as beryllium |
| Beryllium |
383.760 |
173.160 |
| Chromium (Total) |
173.160 |
70.200 |
| Copper |
599.040 |
285.480 |
| Cyanide (Total) |
93.600 |
37.440 |
| Ammonia (as N) |
62384.400 |
27424.800 |
| Fluoride |
16380.000 |
9313.200 |
(o)
Bertrandite Ore Leaching Scrubber.
BAT Limitations for the Primary Beryllium Subcategory
|
mg/kg of bertrandite ore processed |
| Beryllium |
1.239 |
0.559 |
| Chromium (Total) |
0.559 |
0.227 |
| Copper |
1.934 |
0.922 |
| Cyanide (Total) |
0.302 |
0.121 |
| Ammonia (as N) |
201.416 |
88.545 |
| Fluoride |
52.885 |
30.069 |
(p)
Bertrandite Ore Countercurrent and Decantation (CCD) Scrubber.
BAT Limitations for the Primary Beryllium Subcategory
|
mg/kg of bertrandite ore processed |
| Beryllium |
0.083 |
0.037 |
| Chromium (Total) |
0.037 |
0.015 |
| Copper |
0.129 |
0.062 |
| Cyanide (Total) |
0.020 |
0.008 |
| Ammonia (as N) |
13.463 |
5.919 |
| Fluoride |
3.535 |
2.010 |
[50 FR 38346, Sept. 20, 1985, as amended at 55 FR 31698, Aug. 3, 1990]