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1534 Willow Pass Road,Pittsburg,CA 94565-1701 <br /> W._ M c C a m p b e I l Analytical, Inc. Toll Free Telephone:(877)252-9262/Fax:(925)252-9269 <br /> �' rrWJten Quality Counts" http://www.mccampbell.com/E-mail:main@mccampbell.com <br /> Quality Control Report <br /> Client: NuStar Energy,LP(Stockton) WorkOrder: 2103G66 <br /> Date Prepared: 03/29/2021 BatchID: 218300 <br /> Date Analyzed: 03/30/2021 Extraction Method: E200.8 <br /> Instrument: ICP-MS2,ICP-MS4 Analytical Method: E200.8 <br /> Matrix: Water Unit: n/L <br /> Project: 21-5012 Horizontal UST Sample ID: MB/LCS/LCSD-218300 <br /> 2103 G66-001 CMS/MSD <br /> QC Report for Metals (>1% Sediment Content) <br /> Analyte LCS LCSD SPK LCS LCSD LCS/LCSD RPD RPD <br /> Result Result Val %REC %REC Limits Limit <br /> Antimony 265 267 250 106 107 85-115 0.489 20 <br /> Arsenic 262 265 250 105 106 85-115 1.18 20 <br /> Barium 2650 2610 2500 106 104 85-115 1.27 20 <br /> Beryllium 257 254 250 103 101 85-115 1.37 20 <br /> Cadmium 262 253 250 105 101 85-115 3.51 20 <br /> Chromium 258 250 250 103 100 85-115 3.35 20 <br /> Cobalt 250 244 250 100 98 85-115 2.35 20 <br /> Copper 263 262 250 105 105 85-115 0.667 20 <br /> Lead 254 254 250 102 102 85-115 0.157 20 <br /> Mercury 6.36 6.43 6.25 102 103 85-115 1.09 20 <br /> Molybdenum 258 256 250 103 102 85-115 0.856 20 <br /> Nickel 262 259 250 105 104 85-115 1.25 20 <br /> Selenium 262 260 250 105 104 85-115 0.825 20 <br /> Silver 256 252 250 102 101 85-115 1.42 20 <br /> Thallium 245 246 250 98 98 85-115 0.408 20 <br /> Vanadium 259 252 250 104 101 85-115 2.58 20 <br /> Zinc 2620 2600 2500 105 104 85-115 0.787 20 <br /> Surrogate Recovery <br /> Terbium 2640 2630 2500 106 105 70-130 0.417 20 <br /> Analyte MS MS MSD SPK SPKRef MS MSD MS/MSD RPD RPD <br /> DF Result Result Val Val %REC %REC Limits Limit <br /> Antimony 1 12,900 12,800 12500 ND<120 102 102 85-115 0.461 20 <br /> Arsenic 1 14,000 14,400 12500 637.0 107 110 85-115 2.18 20 <br /> Barium 1 131,000 134,000 125000 ND<1200 104 107 85-115 2.49 20 <br /> Beryllium 1 13,800 13,700 12500 ND<120 110 110 85-115 0.662 20 <br /> Cadmium 1 13,800 14,100 12500 221.0 108 111 85-115 2.20 20 <br /> Chromium 1 15,000 15,400 12500 1566 107 111 85-115 2.99 20 <br /> Cobalt 1 14,700 14,700 12500 912.0 110 110 85-115 0.0119 20 <br /> Copper 1 20,900 21,700 12500 8600 98 105 85-115 3.65 20 <br /> Lead 1 18,500 18,700 12500 5028 107 110 85-115 1.41 20 <br /> Mercury 1 684 724 312.5 361.8 103 116,F10 85-115 5.64 20 <br /> Molybdenum 1 13,100 13,000 12500 ND<120 104 103 85-115 0.969 20 <br /> Nickel 1 38,000 39,400 12500 27,240 86 97 85-115 3.68 20 <br /> Selenium 1 13,000 13,800 12500 ND<120 104 110 85-115 5.73 20 <br /> Silver 1 12,900 13,100 12500 ND<120 103 104 85-115 1.16 20 <br /> (Cont.) <br /> CA ELAP 1644•NELAP 4033ORELAP <br />