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Ryegrass Limited Purpose Landfill and Balefill Closed Landfill <br />Groundwater and Leachate Sampling and Analysis Plan <br />Kittitas County Solid Waste <br />Tate 6. Guidelines for Minimum QA/QC Samples for Field Sampling and <br />Laboratory Anaysis of Water Samples <br />Field <br />Laboratory <br />Field <br />Field Rinsete <br />Trip <br />Matra <br />Matrix <br />Matrix Spike <br />Method <br />Duplicate <br />Blank' <br />Blanks <br />Duplicates <br />Spikes <br />DuplicaW <br />Blanks LCS5 <br />1 in 206 <br />1 in 20 <br />1 per cooler <br />1 in 20 <br />1 in 20 <br />1 in 20 <br />1 in 20 1 in 20 <br />1 Field rinsate blanks are not required for dedicated or disposable equipment. <br />2 Trip Blank analyzed for volatile organic compounds only. <br />3 Matrix duplicate analyzed for metals. <br />4 Matrix spike duplicates analyzed for organic analyses. <br />5 LCS = Laboratory Control Sample. <br />6 All frequencies of 1 in 20 indicate 1 per batch, when the batch is less than 20. <br />April 2024 1 553-1763-010 T-7 <br />Revised May 2024 <br />