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Bill Ritter, Jr., Governor <br />James B. Martin, Executive Director <br />Dedicated to protecting and improving the health and environment of the people of Colorado <br />Laboratory Services Division <br />8100 Lowry Boulevard Denver. CO 80230 <br />PO Box 17123 Denver, CO 80217 <br />303-692-3090 <br />www.cdphe.state.co.us/Ir <br />Laboratory Results For Sample Number: <br />Site ID/PWSID <br />Site CCEV <br />Address <br />VICTOR CO <br />Site Description LVSC IV I <br />Customer ID 00009830 <br />Customer Department of Natural Resources <br />1313 Sherman Street Room 215 <br />Denver CO 80203 <br />Collection Number <br />Collected By <br />Collected <br />Field Fluoride <br />Residual Chlorine <br />Received 10/02/2009 08:44:00 <br />Reported 10/24/2009 00:00:00 <br />Bottles 1 250 CY <br />Matrix Drinking Water <br />Temperature at Receipt 11.1C <br />Test Name Result Units MCL MRL Method Name Date Analyzed Qualifier <br />Cyanide, Direct 1.3* mg/L 0.2 0.1 EPA 335.2 10/15/2009 <br />00:00:00 <br />- -Cyanide-Distilled-- ---0:51--m-g/L 0-2- -- -0:1-QC- l-0204001X 10/09/2009` -- - -- - <br />00:00:00 <br />Cyanide, WAD 0.48 mg/L 0.2 0.05 QC-10204001X10/09/2009 <br />00:00:00 <br />Comments: <br />Due to the high level of cyanide in the sample, the sample required a dilution with 0.02 N NaOH. Once <br />the samples was diluted, an iron hydroxide precipitate formed resulting in the need to filter the sample. <br />Total (distilled) Cyanide was diluted at 1:10 and Cyanide WAD was diluted at 1:5. AW 10/20/09 <br />Direct (Free) Cyanide sample was diluted at 1:10. The fact that the Free Cyanide value is higher than <br />the Total (Distilled) Cyanide value is most likely due to a matrix interference within the sample. AW 10 <br />/22/09 <br />Registry Comments: <br />a <br />MRL - Minimum Reporting Limit. MCL - Maximum Contaminant Limit per EPA regulations. <br />BDL - Below Detection Limit. H - Holding Time exceeded. Q - Quality Control limit exceeded. NT - No Test. <br />Units: mg1L - milligrams per liter (ppm), ug/L - micrograms per liter (ppb) <br />LSD Internet Address: http://www.cdphe.state.co.us/Ir/lrhom.htm <br />STATE OF COLORADO <br />/p@ Col <br />'?? = X99 <br />y? j , \ 8 <br />rt X876 • <br />Colorado Department' <br />of Public Health <br />and Environment <br />ENV-2009011198- <br />Conta =Keffelow <br />Phone <br />Fax <br />Email