Chemical Constituents

Section 302 Section 302.304  Chemical Constituents The following levels of chemical constituents must not be exceeded: CONCENTRATION CONSTITUENT (mg/L) Arsenic (total) 0.05 Barium (total) 1.0 Boron (total) 1.0 Cadmium (total) 0.010 Chloride (total) 250 Chromium 0.05 Fluoride (total) 1.4 Iron (dissolved) 0.3 Lead (total) 0.05 Manganese (total) 1.0 Nitrate-Nitrogen 10 Oil (hexane-solubles or equivalent) 0.1 Organics Pesticides Chlorinated Hydro- carbon Insecticides Aldrin 0.001 Chlordane 0.003 DDT 0.05 Dieldrin 0.001 Endrin 0.0002 Heptachlor 0.0001 Heptachlor Expoxide 0.0001 Lindane 0.004 Methoxychlor 0.1 Toxaphene 0.0005 Organophosphate Insecticides Parathion 0.1 Chlorophenoxy Herbicides 2,4-Dichlorophenoxy- acetic acid (2,4-D) 0.1 2-(2,4,5-Trichloro- phenoxy)-propionic acid (2,4,5-TP or Silvex) 0.01 Phenols 0.001 Selenium (total) 0.01 Sulfate 250 Total Dissolved Solids 500