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URS Operating Services. Inc. <br /> START.EPA Region Vlll SAR for ESUClimax <br /> Contract No. 68-W5-0031 Revision: I <br /> Date: 11/1996 <br /> Page 2 of 9 <br /> FISH TISSUE SAMPLES <br /> Fish tissue samples were collected with the assistance of the Colorado Division of Wildlife. Toby <br /> Morning.of the Colorado Division of Wildlife used a backpack style stream shocking unit on the pool <br /> immediately downgradient of the CM National Pollution Discharge Elimination System (NPDES) point. <br /> Two brown trout fry less than three inches long), two brown trout (eight and ten inches), and one rainbow <br /> trout (ten inches) were netted. <br /> The ten inch Brown trout(CMCX-BR-1)and the ten inch Rainbow trout(CMCX=RB-1)were immediately <br /> filleted into eight portions of approximately equal size. UOS and Woodward Clyde alternated collection <br /> on the right and left sides, thus reducing the potential for any variation in metals concentrations on the <br /> right and left sides of the respective fish. <br /> QUALITY ASSURANCE SAMPLES <br /> Three quality control samples were collected during the expanded SI.. One rinsate sample (CMCX-SW- <br /> T30) was collected from the sediment sampling equipment. Two duplicate samples were also collected. <br /> Sample CMCX-SW-T23 was collected with surface water sample CMCX-SW-T13. Sample CMCX-SW- <br /> B26 was collected with surface water sample CMCX-SW-B6. Aqueous matrix spike/matrix spike <br /> duplicate (MS/MSD) volumes were collected at sampling locations CMCX-SW-T13 and CMC-SW-B6. <br /> The soil MS/MSD volume was collected at sampling location CMCX-SE-T13. <br /> FIELD OBSERVATIONS <br /> All sample locations were marked with an Ashtec Global Positioning System (GPS) to locate the latitude <br /> and longitude within a one-to-ten centimeter accuracy. The latitude and longitude of all sample locations <br /> are included in Tables 2, 3, and 4. A scaled map with geographic features and sampling locations is <br /> shown on Figure 1, Sample Location Map. <br /> Stream flow measurements were made at sample locations CMCX-SW-T13,CMCX-SW-TI 1,CMCX-SW- <br /> T10, CMCX-SW-T6, and CMCX-SW-T4. Stream flows were measured whenever a substantial tributary <br /> had entered the Tenmile Creek channel upgradient of any sample location. Stream flows were not <br /> measured at background sample locations due to heavy ice pack in the stream channels. <br /> CM officials were extremely cooperative in showing UOS sampling personnel around the site. Site access <br /> to sampling locations was expedited by CM recommendations and considerations for health and safety <br /> issues. The entire facility was made available for inspection and observation. <br /> 75-51119.00 <br /> \Stan\Cli max\.SAR\.SA R.Txrmhrbas <br />