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R V Circuits Enforcement Data since April 15, 1992 <br /> Date Sample Results Comments <br /> mg/L. <br /> 5/20/92 composite 0.95 lead violation <br /> 5/20/92 composite 6. 95 copper violation <br /> 5/27/92 composite 0.82 lead violation <br /> 5/28/92 nonmetal grab 1.4 lead violation <br /> 5/28/92 final grab compliance <br /> May monthly average for lead is 0.45 mg/L. violation <br /> 6/16/92 composite compliance <br /> 6/17/92 nonmetal grab 1. 0 lead violation <br /> 7/22/92 composite compliance <br /> 7/23/92 nonmetal grab <0. 1 metals compliance <br /> 7/23/92 composite compliance <br /> 7/24/92 nonmetal grab 4.4 copper violation <br /> 7/24/92 final grab compliance <br /> 8/6/92 composite compliance <br /> 8/7/92 nonmetal grab 0.45 lead violation <br /> 8/27/92 composite compliance <br /> 8/28/92 nonmetal grab <0. 1 metals compliance <br /> 9/22/92 nonmetal grab compliance <br /> 9/22/92 composite compliance <br /> 9/22/92 TTO grab 50. 0 ethylbenzene violation ** <br /> 9/22/92 final grab compliance <br /> 10/7/92 composite compliance <br /> 10/8/92 nonmetal grab compliance <br /> 10/8/92 final grab compliance <br /> 10/8/92 composite compliance <br /> 10/9/92 final grab compliance <br /> 10/9/92 clarifier grab 14. 5 copper violation <br /> 10/9/92 nonmetal grab 0.96 copper violation <br /> N. B. : The nonmetal bearing stream is just that, a wastestream <br /> consisting of wastewater from rinse tanks and other streams. A <br /> nonmetal sample is taken from the discharge point of the nonmetal <br /> bearing stream just before it mixes with the clarifier discharge <br /> for final pH treatment and final discharge to the sanitary sewer. <br /> A clarifier sample is taken at the discharge point of the clarifier <br /> just before it mixes with the nonmetal bearing stream for final pH <br /> treatment. This sample is to have been pretreated to remove metals <br /> to a level such that a composite sample gathered at that point will <br /> be at or below Metal Finishing Discharge Standards listed in 40CFR <br /> Part 433 . 17. When a grab sample is taken <br /> SMC Discharge Standards listed in Section 7-089 . 16 apply. <br /> ** Ethylbenzene is a Toxic Organic listed in 40CFR Part 433 . 11. <br /> The limit for Total Toxic Organics is cumulative and 2 . 13 mg/L. <br />