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HydroScience Engineers,Inc. Page 3 of 4 <br /> Table 1 - Water Duality Monitoring Results <br /> Northern California Power Agency, Roseviile, Placer County <br /> Samples collected July 20, August 2, 3, 10, September 26, and November 16 2006 <br /> WATER QUALITY PARAMETER ANALYTICAL METHOD RESULTS OF ANALYSIS QA 1 QC <br /> Practical <br /> CTR# Constituent CAS# Analytical method used Results of Analysis Quantation Limit <br /> Influent Effluent Units Influent Effluent Influent Effluent <br /> 123 PCB-1248 112672296 35200/8082 ! 3520C18082 ugJL ND ND 0.5 0.5 <br /> 124 PCB-1254 111097691 3520C/8082 3520018082 ugJL ND NO 0.5 0.5 <br /> 125 PCB-1260 11096825 35200/8082 35200/8082 ugJL ND ND 0.5 0.5 <br /> 126 _Toxaphene (Camphechlor) 8001352 35200/8082 3520C18081 ugJL ND ND 2 2 <br /> 1,2-Dibromo-3-chloropropane (DBCP) '96128 504.1 504.1 ugJL 0.01 ND 0.01 0.01 <br /> 12,4,5-TP (Silvex) .93765 EPA515.3 EPA515.3 ugJL ND ND 1 1 <br /> 2,4-D 94757 EPA515.3 EPA515.3 ug/L NO ND 2 2 <br /> ;Alachlor .15972608 EPA507 EPA507 ugJL NO ND 1 1 <br /> _ ,. <br /> Aldicarb (Temik) 116-Ofi-3 EPA531A EPA531.1 ugJL NO NQ 3 3 <br /> Aldicarb Sulfone EPA531.1 EPA531.1 ugJL NO ND 4 4 <br /> Aldicarb Sulfoxide EPA531-1 EPA531.1 ugJL Na ND 3 3 <br /> Atrazine 1912249 EPA507 EPA507 ugJL NO NO 0.5 0.5 <br /> Bentazon 25057890 EPA515.3 EPA507 ugJL NO NO 2 2 <br /> Carbaryl (Sevin) 63-25-2 EPA531.1 EPA531.1 ugJL NQ ND 5 5 <br /> Carbofuran 1563662 EPA531.1 EPA531.1 ugJL ND NO 5 5 <br /> 3-Hydroxycarbofuran 16655826 EPA531.1 EPA531.1 ug/L ND ND 3 3 <br /> Dalapon 75990 EPA515.3 EPA515.3 ugJL <br /> NO ND 10 10 <br /> Di(2-ethylhexyl}adipate [bis(2-ethylhexyl)adipate 103231 EPA525.2 ugJL ND 1 <br /> .... <br /> Dinoseb _ _ ;88857 EPA515.3 ! EPA515.3 ugJL NO <br /> ND 2 2 <br /> Diquat 85007 EPA549.2 EPA547 ugJL ND ND 2 2 <br /> Endothall '145733 EPA548.1 EPA548.1 ug/L NO NO 40 40 <br /> 'Ethylene Dibromide(EDB, 1,2-dibromoethane) :106934 504.1 503081826013 ugJL NO ND 0.02 0.02 <br /> Glyphosate (Roundup) 1071836 EPA547 EPA547 _ugJL ND ND 20 20 <br /> Methomyl (Lannate) .16752-77-5 EPA531.1 EPA531A ugJL NO ND _ ____2 2 <br /> Methoxychlor (Marlate) 72435 3520018081 3524CI8081 ugJL NO ND 0.5 0.5 <br /> Molinate (Ordram) 2212671 EPA507 EPA507 ugJL ND NO 0.5 0.5 _ <br /> Oxamyl (Surfian) 23135220 EPA531.1 EPA531.1 ugJL ND ND 5 5 <br /> Picloram 1918021 EPA515.3 EPA515.3 ugJL ND NO 1 1 <br /> Prop achlor (Ramrod) 1918-16-7 EPA507 EPA507 ugJL ND ND 1 1 <br /> Simazine(Princep) 122349 EPA507 EPA507 ugJL ND NO 0.5 0.5 <br /> Thiobencarb (Bolero) 28249776 EPA507 EPA507 ugJL ND ND 0.5 0.5 <br /> Tributyltin - - ;$88733 GC/FPD GC/FPD ugJL NO ND 0.002 0.002 <br /> General Minerals ~~ ~~ <br /> pH EPA150A EPA150.1 pH Units 7.9 8.0 <br /> Alkalinity (as CaCO3) 23206 23208 mgJL 310 380 10 10 <br /> Hardness(as CaCO3) Calculated i Calculated mgJL 295 294 2.5 2.5 <br /> Bicarbonate 2320B mgJL 380 460 10 10 <br /> Carbonate 2320B mgJL NO ND 10 10 <br /> ;Hydroxide 23206 mgJL NO ND 10 10 <br /> ;Total Disolved Solids(TDS) 25400 25400 mgJL 1020 1060 40 40 <br /> Specific conductance(EC) 2510B 2510B umhoslcm, 1440 1510 1 1 <br /> ;Ammonia (as N) 7664417 4500 mgJL 0.7 0,2 <br /> Nitrate .14797558 EPA300.0 EPA300.0 mgJL 59.8 52.6 0.4 0.4 <br /> Nitrite .14797650 EPA300.0 EPA300.0 mgJL 1.9 34.3 0-3 0.3 <br /> Phosphorus,Total(as P) 7723140 EPA300.0 EPA365.3 mgJL 0.5 1.6 0.1 0.5 <br /> Potassium 3010A 1200.7 mgJL 45 1 <br /> Chloride ,16887006 EPA300.0 EPA300.0 mgJL 158 171 5 5 <br /> Sulfate EPA300.0 EPA300.0 mgJL 97 122 1 1 <br /> Sulfide(total) 4500-S 4500-S mgJL NO NO 0.1 0.1 <br /> Sulfite 4500-SO3 4500-SO3 mgJL ND ND 2 2 <br /> Foaming Agents(MBAS) SM5540C mgJL NO ND 0.1 0-1 <br /> Total Suspended Solids(TSS) 2540D mgJL NO 10 <br /> !Biochemical Oxygen Demand{BOD} 5210B 52108 mgJL 2.9 77c. 2 32 <br /> Chemical Oxygen Demand (COD) 5220 5220 mgJL NO 50 20 20 <br /> Chlorine,free available 4500CI 4500CI mgJL NO ND 0.1 0.1 <br /> Dioxins and Furans <br /> 2,3,7,8TetraCDD EPA1613B EPA1613B pg1L NO ND 3 3.8 <br /> Organophosphorus Pesticides <br /> Bromacil EPA507 EPA507 ugJL NO ND 2 2 <br /> Butachlor EPA507 EPA507 ug1L NO ND 1 1 <br /> Chlorpyrifos (Dursban) 2921882 3520C18141A 3520C18141A ugJL ND ! ND__--- 2 2 - <br /> _ .. _ � NO - 2 2 - <br /> Diazinon 33415 EPA507 EPA507 ugJL NO <br /> Dimethoate EPA507 EPA507 ugJL ND ND 2 2 <br /> IMetolachlor EPA507 EPA507 ugJL ND NO 1 1 <br /> Metribuzin EPA507 EPA507 ugJL ND ND 4,5 0.5 <br /> Prometryn (Caparol) EPA507 EPA507 ugJL NO ND 2 2 <br /> Chlorinated Acids <br /> Dicamba EPA515.3 EPA525.3 ug1L NO ND 1 1 <br /> Miscellaneous Volatile and Semi-Volatile Organic Compounds <br /> 1,2,3,-Trichlorobenzene 50308182606 ugJL NO 1 <br /> 1,2,3-Trichloropropane 503081826013 ugJL ND 1 <br /> 1,2,4-Trimethylbenzene 50306182606 ugJL ND 1 <br /> 1,2-Dibromo-3-chloro ro ane 5030131826013 u IL NO 1 <br /> NCPA Water Quality Characterization January 2007 <br />