SUBTITLE C: WATER POLLUTION
CHAPTER I: POLLUTION CONTROL BOARD
PART 302 WATER QUALITY STANDARDS
SECTION 302.407 CHEMICAL CONSTITUENTS
Section 302.407 Chemical Constituents
Concentrations of other chemical constituents shall not exceed the following standards:
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CONCENTRATION |
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CONSTITUENT |
NUMBER |
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(mg/L) |
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Ammonia Un-ionized (as N*) |
00612 |
0.1 |
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Arsenic (total |
01002 |
1.0 |
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Barium (total) |
01007 |
5.0 |
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Cadmium (total) |
01027 |
0.15 |
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Chromium (total hexavalent) |
01032 |
0.3 |
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Chromium (total trivalent) |
01033 |
1.0 |
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Copper (total) |
01042 |
1.0 |
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Cyanide (total) |
00720 |
0.10 |
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Fluoride (total) |
00951 |
15.0 |
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Iron (total) |
01045 |
2.0 |
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Iron (dissolved) |
01046 |
0.5 |
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Lead (total) |
01051 |
0.1 |
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Manganese (total) |
01055 |
1.0 |
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Mercury (total) |
71900 |
0.0005 |
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Nickel (total) |
01067 |
1.0 |
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Oil, fats and grease |
00550,00556, 00560 |
15.0** |
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Phenols |
32730 |
0.3 |
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Selenium (total) |
01147 |
1.0 |
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Silver |
01077 |
1.1 |
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Zinc (total) |
01092 |
1.0 |
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Total Dissolved Solids |
70300 |
1500 |
*For purposes of this section the concentration of un-ionized ammonia shall be computed according to the following equation:
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U = |
N where: |
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**Oil shall be analytically separated into polar and non-polar components if the total concentration exceeds 15 mg/L. In no case shall either of the components exceed 15 mg/L (i.e., 15 mg/L polar materials and 15 mg/L non-polar materials).
(Source: Amended at 20 Ill. Reg. 7682, effective May 24, 1996)