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COLORADO DEPARTMENT OF HFr9LTH, Water Quality Control Division Rntionnle - Pnge 5, Permit No. CO-0032638 Tables V-1, V-2, V-3, and V-4 summarize the ejJluent drua reported on the monthly Discharge Monitoring Reports (OMR'sJ for the Pittsburg and Midway facility from April 1990 to October 1991. Table V-1 -- Sell-hforsitorinr Results - Outlall 002 amp es eporled ; . rev ous o:.o or Repordng Concenfiritioirs::: Permit ' Liinil. Parameter .. ,:: ':: ..Periods '..Avg/thin/Max.' :::. .:..::..::: Zimil .:::. .:. Exclusions Flow, MGD 7 0.081/0.005/0.29 NA lU NA TSS, mg/P 7 13.7/<2.0/28 35/70 RI 0 Oil & Grease, mg/P 7 0.0/0.0/0.0 10 liJ 0 Setrlenble Solids, ml/l 7 <0.3/<0.3/<0.3 0.514) 0 Irors (7'otalJ, mg/P 7 0.25/0.04/0.75 3.5/7.ORl 0 pH, s. lt. 7 7.75/7.1/8.1 6.5-9.O/sl 0 Torn[ Dissolved Solids, mg/P 7 1222/228/2440 Report 161 NA ru Avn~age, minimum, and maximum Mows were calculaed from the 30-0rry average and daily maximum (tows reported. °'r Lmit is a 34day average/daily marimum limitadan. As•crage, minimum, and marimum tancentradons were ca(ctrlated from reported 34day and daily marirnunt contcntrations. tit Limit it an instantaneous marimum. No analyses were run since rw visual oif sheen was observed. r't Limit is a daily marimum. Al( reported values were below 0.3 mlq. at Limit is a minimum -maximum limitation. Average, minimum, and masimrun were taltulated from reported minimum and marimum values. r°t Permit requires the reporting of a 30day average and daily maximum. Avemgt, minimum, ad marimum concentrations were calculated from the reported 30.day average and daily marimum concentrations. Table V-2 -- Selj-MorsitorinR ResrLlts - Ouljall 003 p Sarilples Reportetf Precious No. of or.Rep~rting Coricenlrtitions : Perini! '. Limit Pnrnalv/ar ~ ParinAc Avo/Min/Mnr' .. ~limit: Prvurcinnc F(oty, b9GD IO 0.123/0.001/0.808 I.87/rl 0 TSS, mg/P IO 9.0/<2.0/22 35/70 RI 0 Oil & Grense, mg/P 10 0.0/0.0/0.0 10 lit 0 Setrlenble Solids, ml/l 10 <0.3/<0.3/<0.3 0.514/ 0 Iron (7RJ, mg/P 10 0.182/0.02/0.61 1.9/3.81!/ 0 Alnngnnere lTR), mg/P 10 0.03!/<0.01/0.07 NAISL NA pH, .r. n. !0 752/6.8/8.2 6.5-9.Olbr 0 Tornl Dissolved Solids, rug/P 10 2797/1636/3262 Report 1D NA rrt Average, minimum, and marimrun f1o..•s Wert calculated from the 36day outrage grid daily maximum flows reported. rD L'niit is a 34day average/daily maximum limitation. Average, minimum, and marimum concentrations Wert calculated from reported 30.day and daily macinuun concentranont. rte Lnit is nrt instantaneous marimum. No analysts were rtes since na visual ail sheen was observed. rn LSnit is a daily marimwn. All reported values were below 0.3 ml//. r9 Ar'eragq minimum, ani marimum concentrations went calculated from reposed 30~day and daily marimum cancentradans. ~"' Limit is a mininuun - mnrinumi (irnimlion. Average, minimum, and marimum were taltulated from reported mininwm and marimum vaLres. Pt Pnmit requires the repomng of a 36day average and daily marimum. Average, minimum, and marimrun toncentratiom were taltulated from the reported ?0.dny nvernge and daily marimum concentrafionr.