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April 4, 2023 <br /> Lab No. : STK2333396 <br /> Musco Family Olive Environmental <br /> Customer No. : 3011544 <br /> Quality Control -Wet Chem <br /> Wet Chem <br /> Solids,Total Dissolved 2540CE 03/20/2023:202956CTL ND mg/L -3.9216 20 <br /> LCS mg/L 993.3 98.3% 90-110 <br /> (STK2333320-003) Dup mg/L 0.3% 5 <br /> (STK2333320-003) Dup mg/L 2.83% 5 <br /> Solids,Suspended 2540D 03/20/2023:310698CMW Blank mg/L ND <1 <br /> LCS mg/L 500.0 93.7% 60-109 <br /> LCS mg/L 500.0 93.2% 60-109 <br /> (STK2333401-001) Dup mg/L 14.2% 20 <br /> (STK2333347-001) Dup mg/L 1.1% 20 <br /> Nitrogen,Total Kjeldahl 351.2 03/28/2023:203265STA Blank mg/L ND <0.5 <br /> LCS mg/L 12.00 91.7% 73-124 <br /> MS mg/L 12.00 68.5% 54-136 <br /> (STK2333323-001) MSD mg/L 12.00 59.2% 54-136 <br /> MSRPD mg/L 12.00 14.6% :527 <br /> MS mg/L 12.00 83.9% 54-136 <br /> (STK2333323-003) MSD mg/L 12.00 88.7% 54-136 <br /> MSRPD mg/L 12.00 5.3% :527 <br /> Nitrate Nitrogen 450ONO3F 03/17/2023:202907LFS Blank mg/L ND <0.4 <br /> LCS mg/L 11.22 93.1% 80-120 <br /> MS mg/L 5.609 64.3% <AlA <br /> (VI 2341592-001) MSD mg/L 5.609 72.5% 66-125 <br /> MSRPD mg/L 5.609 1.6% :530.4 <br /> BOD 5210B 03/17/2023:310732KQP RgBlk mg/L 0.6 2 <br /> LCS mg/L 198.0 105% 84.6-115 <br /> (STK2333401-001) Dup mg/L 16.8% 15.9 440 <br /> (STK2333401-001) Dup mg/L 5.92% 15.9 <br /> Definition <br /> Blank : Method Blank-Prepared to verify that the preparation process is not contributing contamination to the samples. <br /> Dup : Duplicate Sample-A random sample with each batch is prepared and analyzed in duplicate.The relative percent difference is an <br /> indication of precision for the preparation and analysis. <br /> LCS : Laboratory Control Standard/Sample-Prepared to verify that the preparation process is not affecting analyte recovery. <br /> MS : Matrix Spikes-A random sample is spiked with a known amount of analyte.The recoveries are an indication of how that sample matrix <br /> affects analyte recovery. <br /> MSD : Matrix Spike Duplicate of MS/MSD pair-A random sample duplicate is spiked with a known amount of analyted.The recoveries are an <br /> indication of how that sample matrix affects analyte recovery. <br /> MSRPD : MS/MSD Relative Percent Difference(RPD)-The MS relative percent difference is an indication of precision for the preparation and <br /> analysis. <br /> ND : Non-detect-Result was below the DQO listed for the analyte. <br /> RgBlk : Method Reagent Blank-Prepared to correct for any reagent contributions to sample result. <br /> Explanation <br /> 440 Sample nonhomogeneity may be affecting this analyte.Data was accepted based on the LCS or CCV recovery. <br /> Page 10 of 10 Page 10 of 10 <br />