Ord 1986-134 - Laserfiche WebLink

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( 14 ) (15) ( 16) (17) ( 18) ( 19 ) (20) (21) (22) (23) Any of the following elements in solution or suspension concentrations exceeding the limit set as follows: in Element Maximum Concentration (in MG/L) Arsenic Barium Boron Cadmium Chromium Copper Lead Manganese Mercury Nickel Selenium Silver Zinc 0.05 4.0 1.0 0.02 3.0 1.0 0.1 1.0 0.005 1.0 0.02 0.1 5.0 Dilution of these elements in solution or suspension in lieu of treatment or removal is specifically prohibited. The Director may further restrict the discharges of those wastes which contain these elements to a definite limit expressed in the units of "pounds per day" to prevent the employment of dilution of such pollutants in order to meet the concentration limits of the ordinance. Cyanides MG/L) . in excess of two milligrams per liter as CN (2.0 Phenols or other substances in such concentrations as to produce odor or taste in the waters receiving wastewater treatment plant effluent, where used as drinking water by other people. Phosphorous in excess of fifteen milligrams per liter (15 MG/L) as phosphorous or phosphates in excess of forty-six milligrams per liter (46 MG/L) as PO4. Sulfates at a concentration that will increase the concentration at the treatment plant influent to fifty milligrams per liter (50 MG/L) or higher. Fluorides in excess of five milligrams per liter (5.0 MG/L). Any herbicides, pesticides, fungicides such as, but not limited to chlordane, heptachlor, heptachlorexpoxide, aldrin, dieldrin, dichlorodiphenyl trichloroethane (DDT), dichlorodiphenyl dichloroethane (DDE), rothane (DPD), or any toxic, poisonous, or other substance that would injure or interfere with the wastewater treatment process or constitute a hazard to human or animal plant life, including aquatic organisms, or create any hazards in the waters receiving the wastewater treatment plant effluent. Polychlorinated biphenyls (PCB) in excess of 0.000002 milli- grams per liter (MG/L). Waste containing radioactive materials in concentrations greater than allowable by current regulations of the Texas Department of Health or other appropriate governmental unit or agency. Any of the following: (a) Solids or viscuous pollutants in amounts which will cause obstruction to the flow in the collection system and/or the treatment plant resulting in interference; (b) Any pollutant, including oxygen demanding pollutants (BOD, COD, etc.) released in a discharge at a flow rate and/or pollutant concentration which will cause inter- ferences with the treatment plant and/or collection system; -7-