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ENEW V LABORA 70RIE4 INC •2389.9 <br />rb(l fte 888.235.0515 - 3072350515 - Fax <br />CLIENT: Denison Mines (USA) Corp <br />Project; Sunday Mines Attenuation Tests - <br />Sample Delivery Group: C09010008 <br />ORIGINAL SAMPLE SUBMITTAL(S) <br />All original sample submittals have been returned with the <br />SAMPLE TEMPERATURE COMPLIANCE: 4°C (t2'C) <br />Temperature of samples received may not be considered <br />delivered immediately after collection shall be considered <br />Highway (82601)l • P.O. Bar 3258 • Ca4mr, WY82W <br />1839 • asVeKs?en"Xeb.com • www.eneADIab.aom <br />Dab: 28-Jan-09 <br />CASE NARRATIVE 0 <br />package. <br />iserved by accepted standards. Samples that are hand <br />if there is evidence that the chilling process has begun. <br />GROSS ALPHA ANALYSIS <br />Method 900.0 for gross alpha and gross beta is intended s a drinking water method for low TDS waters. Data provided by <br />this method for non potable waters should be viewed as in sistent <br />RADON IN AIR ANALYSIS <br />The desired exposure time is 48 hours (2 days). The time <br />should be as short as possible to avoid excessive decay. I <br />beginning of counting should not exceed 8 days. <br />in returning the canister to the laboratory for processing <br />im recommended delay between end of exposure to <br />SOIUSOLID SAMPLES <br />All samples reported on an as received basis unless <br />indicated. <br />ATRAZINE, SIMAZINE AND PCB ANALYSIS USING EPA 505 <br />Data for Atrazine and Simazine are reported from EPA 52 .2, not from EPA 505. Data reported by ELI using EPA method <br />505 reflects the results for seven individual Aroclors. Wh n the results for all seven are ND (not detected), the sample <br />meets EPA compliance criteria for PCB monitoring. <br />SUBCONTRACTING ANALYSIS <br />Subcontracting of sample analyses to an outside labora <br />branch laboratories or qualified contract laboratories for <br />Laboratory Analytical Report <br />BRANCH LABORATORY LOCATIONS <br />eli-b - Energy Laboratories, Inc. - Billings, MT <br />eli-g - Energy Laboratories, Inc. - Gillette, WY <br />all-h - Energy Laboratories, Inc. - Helena, MT <br />ell-r - Energy Laboratories, Inc. - Rapid City, SD <br />ell-t - Energy Laboratories, Inc. - College Station, TX <br />may be required. If so, ENERGY LABORATORIES VAR utilize its <br />service. Any such laboratories will be indicated within the <br />C1903 <br />CERTFICATIONS: <br />USEPA: WY00002; FL-DOH NELAC: E87641; California: <br />Oregon: WY200001; Utah: 3072350515; Virginia: 00057; <br />ISO 17025 DISCLAIMER: <br />The results of this Analytical Report relate only to the <br />18CA <br />submitted for analysis. <br />ENERGY LABORATORIES, INC. - CASPER,WY certifies t certain method selections contained in this report meet <br />requirements as set forth by the above accrediting author' 'os. Some results requested by the client may not be covered <br />under these certifications. All analysis data to be submitt for regulatory enforcement should be certified in the sample <br />state of origin. Please verify ELI's certification coverage I visiting www.energylsb.com <br />ELI appreciates the opportunity to provide you with this <br />web page www.energylab.com. <br />service. For additional information and services visit our <br />THIS IS THE FINAL PAGE OF <br />LABORATORY ANALYTICAL REPORT <br />• <br />0