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r , <br /> CASE NARRATIVE <br /> CLIENT: URS <br /> PROJECT: WORLD ENTERPRISES <br /> SDG: 061-204 <br /> METHOD 353.3 <br /> NITRATE/NITRITE=N <br /> Three (3) water samples were received on 12/16/06 for Nitrate/Nitrite-N analyses <br /> by Method 353.3 in accordance with USEPA SW846, 3d ed. <br /> 1. Holding Time <br /> Analyses met holding time criteria. <br /> 2. Method Blank <br /> Method blank was free of contamination at the reporting limit. <br /> 3. Lab Control Sample/Lab Control Sample Duplicate <br /> Lab control results were within QC limit. <br /> 4. Duplicate <br /> Duplicate sample was not designated in this SDG. <br /> 5. Matrix Spike <br /> MS sample was not designated in this SDG. <br /> 6. Sample Analysis <br /> Samples were analyzed according to the prescribed QC procedures..All <br /> criteria were met. <br /> Revised r <br /> 80 <br />