Code of Federal Regulations (alpha)

CFR /  Title 40  /  Part 421  /  Sec. 421.152 Effluent limitations guidelines representing the degreepracticable control

technology currently available.

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 practicable technology currently available:

(a) Solvent Extraction Raffinate from Bertrandite Ore.

BPT Limitations for the Primary Beryllium Subcategory------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

any 1 day average------------------------------------------------------------------------

mg/kg (pounds per million

pounds) of beryllium

carbonate produced from

bertrandite ore as

beryllium

---------------Beryllium................................... 2,763.000 1,235.000Chromium (total)............................ 988.200 404.300Copper...................................... 4,267.000 2,246.000Cyanide (total)............................. 651.300 269.500Ammonia (as N).............................. 299,400.000 131,600.000Fluoride.................................... 78,610.000 44,700.000Total suspended solids...................... 92,090.000 43,800.000pH.......................................... (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times

(b) Solvent Extraction Raffinate from Beryl Ore.

BPT Limitations for the Primary Beryllium Subcategory------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

any 1 day average------------------------------------------------------------------------

mg/kg (pounds per million

pounds) of beryllium

carbonate produced from

beryl ore as beryllium

---------------Beryllium................................... 270.6 121.0Chromium (total)............................ 96.8 39.6Copper...................................... 418.0 220.0Cyanide (total)............................. 63.8 26.4Ammonia (as N).............................. 29,330.0 12,890.0Fluoride.................................... 7,700.0 4,378.0Total suspended solids...................... 9,020.0 4,290.0pH.......................................... (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.

(c) Beryllium Carbonate Filtrate.

BPT Limitations for the Primary Beryllium Subcategory------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

any 1 day average------------------------------------------------------------------------

mg/kg (pounds per million

pounds) of beryllium

carbonate produced as

beryllium

---------------Beryllium................................... 263.800 118.000Chromium (total)............................ 94.380 38.610Copper...................................... 407.600 214.500Cyanide (total)............................. 62.210 25.740Ammonia (as N).............................. 28,590.000 12,570.000Fluoride.................................... 7,508.000 4,269.000Total suspended............................. 8,795.000 4,183.000pH.......................................... (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.

(d) Beryllium Hydroxide Filtrate.

BPT Limitations for the Primary Beryllium Subcategory------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

any 1 day average------------------------------------------------------------------------

mg/kg (pounds per million

pounds) of beryllium

hydroxide produced as

beryllium

---------------Beryllium................................... 167.280 74.800Chromium (Total)............................ 59.840 24.480Copper...................................... 258.400 136.000Cyanide (Total)............................. 39.440 16.320Ammonia (as N).............................. 18128.800 7969.600Fluoride.................................... 4760.000 2706.400Total Suspended Solids...................... 5576.000 2652.000pH.......................................... (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.

(e) Beryllium Oxide Calcining Furnace Wet Air Pollution Control.

BPT Limitations for the Primary Beryllium Subcategory------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

any 1 day average------------------------------------------------------------------------

mg/kg (pounds per million

pounds) of beryllium oxide

produced

---------------Beryllium................................... 324.000 145.000Chromium (total)............................ 116.000 47.470Copper...................................... 501.000 263.700Cyanide (total)............................. 76.470 31.640Ammonia (as N).............................. 35,150.000 15,450.000Fluoride.................................... 9,230.000 5,248.000Total suspended solids...................... 10,810.000 5,142.000pH.......................................... (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.

(f) Beryllium hydroxide supernatant.

BPT Limitations for the Primary Beryllium Subcategory------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

any 1 day average------------------------------------------------------------------------

mg/kg (pounds per

million pounds) of

beryllium hydroxide

produced from scrap and

residues as beryllium

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

Beryllium..................................... 282.9 126.5Chromium (total).............................. 101.2 41.4Copper........................................ 437.0 230.0Cyanide (total)............................... 66.7 27.6Ammonia (as N)................................ 30,660.0 13,480.0Fluoride...................................... 160,308.0 71,201.0Total suspended solids........................ 9,430.0 4,485.0pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.

(g) Process water.

BPT Limitations for the Primary Beryllium Subcategory------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

any 1 day average------------------------------------------------------------------------

mg/kg (pounds per

million pounds) of

beryllium pebbles

produced

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

Beryllium..................................... 215.00 96.14Chromium (total).............................. 76.91 31.46Copper........................................ 332.10 174.80Cyanide (total)............................... 50.69 20.98Ammonia (as N)................................ 23,300.00 10,240.00Fluoride...................................... 6,118.00 3,479.00Total suspended solids........................ 7,167.00 3,409.00pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.

(h) Fluoride furnace scrubber.

BPT Limitations for the Primary Beryllium Subcategory------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

any 1 day average------------------------------------------------------------------------

mg/kg (pounds per

million pounds) of

beryllium pebbles

produced

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

Beryllium..................................... 0.000 0.000Chromium (total).............................. 0.000 0.000Copper........................................ 0.000 0.000Cyanide (total)............................... 0.000 0.000Ammonia (as N)................................ 0.000 0.000Fluoride...................................... 0.000 0.000Total suspended solids........................ 0.000 0.000pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.

(i) Chip treatment wastewater.

BPT Limitations for the Primary Beryllium Subcategory------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

any 1 day average------------------------------------------------------------------------

mg/kg (pounds per

million pounds) of

beryllium scrap chips

treated

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

Beryllium..................................... 9.533 4.263Chromium (total).............................. 3.410 1.395Copper........................................ 14.730 7.750Cyanide (total)............................... 2.248 0.930Ammonia (as N)................................ 1,033.000 454.200Fluoride...................................... 271.300 154.200Total suspended solids........................ 317.800 151.100pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.

(j) Beryllium Pebble Plant Area Vent Wet Air Pollution Control.

BPT Limitations for the Primary Beryllium Subcategory------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

any 1 day average------------------------------------------------------------------------

mg/kg (pounds per

million pounds) of

beryllium pebbles

produced

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

Beryllium..................................... 0.000 0.000Chromium (total).............................. 0.000 0.000Copper........................................ 0.000 0.000Cyanide (total)............................... 0.000 0.000Ammonia (as N)................................ 0.000 0.000Fluoride...................................... 0.000 0.000Total suspended solids........................ 0.000 0.000pH............................................ \1\ \1\------------------------------------------------------------------------\1\Within the range of 7.5 to 10.0 at all times.

(k) Beryl Ore Gangue Dewatering.

BPT Limitations for the Primary Beryllium Subcategory------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

any 1 day average------------------------------------------------------------------------

mg/kg (pounds per million

pounds) of beryl ore

processed

---------------------------Beryllium................................... 1.283 0.574Chromium (Total)............................ 0.459 0.188Copper...................................... 1.982 1.043Cyanide (Total)............................. 0.302 0.125Ammonia (as N).............................. 139.032 61.120Fluoride.................................... 36.505 20.756Total Suspended Solids...................... 42.763 20.339pH.......................................... (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.

(l) Bertrandite Ore Gangue Dewatering.

BPT Limitations for the Primary Beryllium Subcategory------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

any 1 day average------------------------------------------------------------------------

mg/kg (pounds per million

pounds) of bertrandite ore

processed

---------------------------Beryllium................................... 3.279 1.466Chromium (Total)............................ 1.173 0.480Copper...................................... 5.064 2.665Cyanide (Total)............................. 0.773 0.320Ammonia (as N).............................. 355.245 156.169Fluoride.................................... 93.275 53.034Total Suspended Solids...................... 109.265 51.968pH.......................................... (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.

(m) Beryl Ore Processing.

BPT Limitations for the Primary Beryllium Subcategory------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

any 1 day average------------------------------------------------------------------------

mg/kg (pounds per million

pounds) of beryl ore

processed

---------------------------Beryllium................................... 8.983 4.017Chromium (Total)............................ 3.213 1.315Copper...................................... 13.876 7.303Cyanide (Total)............................. 2.118 0.876Ammonia (as N).............................. 973.490 427.956Fluoride.................................... 255.605 145.330Total Suspended Solids...................... 299.423 142.409pH.......................................... (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.

(n) Aluminum Iron Sludge (AIS) Area Wastewater.

BPT Limitations for the Primary Beryllium Subcategory------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

any 1 day average------------------------------------------------------------------------

mg/kg (pounds per million

pounds) of total beryllium

carbonate produced as

beryllium

---------------------------Beryllium................................... 575.640 257.400Chromium (Total)............................ 205.920 84.240Copper...................................... 889.200 468.000Cyanide (Total)............................. 135.720 56.160Ammonia (as N).............................. 62384.400 27424.800Fluoride.................................... 16380.000 9313.200Total Suspended Solids...................... 19188.000 9126.000pH.......................................... (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.

(o) Bertrandite Ore Leaching Scrubber.

BPT Limitations for the Primary Beryllium Subcategory------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

any 1 day average------------------------------------------------------------------------

mg/kg of bertrandite ore

processed

---------------------------Beryllium................................... 1.859 0.831Chromium (Total)............................ 0.665 0.272Copper...................................... 2.871 1.511Cyanide (Total)............................. 0.438 0.181Ammonia (as N).............................. 201.416 88.545Fluoride.................................... 52.885 30.069Total Suspended Solids...................... 61.951 29.465pH.......................................... (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.

(p) Bertrandite Ore Countercurrent and Decantation (CCD) Scrubber.

BPT Limitations for the Primary Beryllium Subcategory------------------------------------------------------------------------

Maximum for

Pollutant or pollutant property Maximum for monthly

any 1 day average------------------------------------------------------------------------

mg/kg of bertrandite ore

processed

---------------------------Beryllium................................... 0.124 0.056Chromium (Total)............................ 0.044 0.018Copper...................................... 0.192 0.101Cyanide (Total)............................. 0.029 0.012Ammonia (as N).............................. 13.463 5.919Fluoride.................................... 3.535 2.010Total Suspended Solids...................... 4.141 1.970pH.......................................... (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times. [50 FR 38346, Sept. 20, 1985, as amended at 55 FR 31697, Aug. 3, 1990; 55 FR 36932, Sept. 7, 1990]