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�r <br />17dl icdl <br />ENVIR6NMENTAL SCIENCES <br />%rcadis- SLO Reported: <br />03/01/2023 8:37 <br />735 Tank Farm Rd, Suite 150 Project: <br />Forward Landfill <br />San Luis Obispo, CA 93401 Project Number: <br />30110749.01 <br />Project Manager: <br />Drew Feucht <br />Water Analysis (General Chemistry) <br />Quality Control Report - Precision & Accuracy <br />Control Limits <br />Source Source Spike Percent Percent Lab <br />onstituent Type Sample ID Result Result Added Units RPD Recovery RPD Recovery Quals R <br />QC Batch ID: B158278 <br />Used client sample: <br />N <br />Bicarbonate <br />DUP 2302095-01 <br />606.75 <br />609.53 <br />mg/L <br />0.5 <br />10 <br />1 <br />Carbonate <br />DUP 2302095-01 <br />ND <br />ND <br />mg/L <br />10 <br />1 <br />QC Batch ID: B158279 <br />Used client sample: <br />Y -Description: <br />AMW-23D, 01/30/2023 14:09 <br />Bicarbonate <br />DUP 2302096-06 <br />111.48 <br />111.86 <br />mg/L <br />0.3 <br />10 <br />2 <br />Carbonate <br />DUP 2302096-06 <br />ND <br />ND <br />mg/L <br />10 <br />2 <br />QC Batch ID: B158934 <br />Used client sample: <br />N <br />Chloride <br />DUP 2302053-01 <br />3.9980 <br />4.0050 <br />mg/L <br />0.2 <br />10 <br />3 <br />MS 2302053-01 <br />3.9980 <br />59.521 <br />50.505 <br />mg/L <br />110 <br />80-120 <br />4 <br />MSD 2302053-01 <br />3.9980 <br />59.594 <br />50.505 <br />mg/L <br />0.1 <br />110 <br />10 <br />80-120 <br />5 <br />Nitrate as N <br />DUP 2302053-01 <br />7.6680 <br />7.6960 <br />mg/L <br />0.4 <br />10 <br />3 <br />MS 2302053-01 <br />7.6680 <br />13.045 <br />5.0505 <br />mg/L <br />106 <br />80-120 <br />4 <br />MSD 2302053-01 <br />7.6680 <br />13.060 <br />5.0505 <br />mg/L <br />0.1 <br />107 <br />10 <br />80-120 <br />5 <br />Sulfate <br />DUP 2302053-01 <br />6.8980 <br />6.9110 <br />mg/L <br />0.2 <br />10 <br />3 <br />MS 2302053-01 <br />6.8980 <br />117.27 <br />101.01 <br />mg/L <br />109 <br />80-120 <br />4 <br />MSD 2302053-01 <br />6.8980 <br />117.41 <br />101.01 <br />mg/L <br />0.1 <br />109 <br />10 <br />80-120 <br />5 <br />QC Batch ID: B159003 <br />Used client sample: <br />N <br />Dissolved Calcium <br />DUp 2302084-02 <br />281.55 <br />287.88 <br />mg/L <br />2.2 <br />20 <br />6 <br />MS 2302084-02 <br />281.55 <br />316.16 <br />20.408 <br />mg/L <br />170 <br />75-125 <br />A03 <br />7 <br />MSD 2302084-02 <br />281.55 <br />312.24 <br />20.408 <br />mg/L <br />1.2 <br />150 <br />20 <br />75-125 <br />A03 <br />8 <br />Dissolved Magnesium <br />DUP 2302084-02 <br />198.01 <br />197.11 <br />mg/L <br />0.5 <br />20 <br />6 <br />MS 2302084-02 <br />198.01 <br />221.90 <br />20.408 <br />mg/L <br />117 <br />75-125 <br />7 <br />MSD 2302084-02 <br />198.01 <br />217.35 <br />20.408 <br />mg/L <br />2.1 <br />94.8 <br />20 <br />75-125 <br />8 <br />Dissolved Sodium <br />DUP 2302084-02 <br />983.66 <br />929.67 <br />mg/L <br />5.6 <br />20 <br />6 <br />MS 2302084-02 <br />983.66 <br />995.05 <br />20.408 <br />mg/L <br />55.8 <br />75-125 <br />A03 <br />7 <br />MSD 2302084-02 <br />983.66 <br />971.61 <br />20.408 <br />mg/L <br />2.4 <br />-59.0 <br />20 <br />75-125 <br />A03 <br />8 <br />Dissolved Potassium <br />DUP 2302084-02 <br />6.8486 <br />6.7789 <br />mg/L <br />1.0 <br />20 <br />6 <br />MS 2302084-02 <br />6.8486 <br />27.595 <br />20.408 <br />mg/L <br />102 <br />75-125 <br />7 <br />MSD 2302084-02 <br />6.8486 <br />27.701 <br />20.408 <br />mg/L <br />0.4 <br />102 <br />20 <br />75-125 <br />8 <br />QC Batch ID: B159181 <br />Used client sample: <br />Y -Description: <br />AMW-37S, 01/30/2023 10:46 <br />Total Dissolved Solids @ 180 C <br />DUP 2302096-01 <br />529.99 <br />536.66 <br />mg/L <br />1.2 <br />10 <br />9 <br />The results in this report apply to the samples analyzed in accordance with the chain of custody document. <br />This analytical report must be reproduced in its entirety. <br />All results listed in this report <br />are for the exclusive use of the submitting <br />party. Pace <br />Analytical assumes <br />no responsibility for <br />report alteration, <br />separation, <br />detachment or third party interpretation. <br />Report ID: 1001402089 <br />4100 Atlas Court Bakersfield, <br />CA 93308 <br />(661) 327-4911 FAX (661) 327-1918 <br />www.pacelabs.com <br />Page 63 of 68 <br />