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California Department of Toxic Substances Control ECL Number: AO00950 <br />Environmental Chemistry Laboratory Quality Control Report for Metals by ICP to AQ00959 <br />Inorganic Section <br />Comments ND=Not Detected <br />' Low recoveries possibly due to the precipitation of Barium and Cobalt. <br />Staff Chemist: Merlyn De Guzman, rz- G1 / �� -�. Date: -J/ l `n7 Section L' Bad Chemist: Jamail Garcha, ��t/ �c-�U Date: <br />Sample Prepared By Dinesh Chand, C� Date: 4(9 (� <br />Solid Lab QC Sample <br />Continuing Calibration <br />Duplicate Spiked Sample <br />ECL No.: AQ00955 <br />Matrix: solid <br />Control Limits <br />Element <br />mg/kg <br />Verification mg/L <br />Spike results mg/kg <br />Unspiked <br />Spike <br />% Recovery <br />Mean Rec. <br />known <br />found <br />% <br />known <br />found <br />% <br />MS <br />MSD RPD <br />MS MSD <br />Result(mg/kg) <br />Added (mg/kg) <br />Min % Max % <br />RPD % <br />Arsenic -As <br />58.2 <br />62.3 <br />107 <br />10.0 <br />10.4 <br />104 <br />465 <br />480 3.17 <br />NO <br />500 <br />93.0 <br />96.0 <br />70.0 <br />130 <br />20.0 <br />Barium -Ba <br />49.5 <br />51.7 <br />104 <br />10.0 <br />9.77 <br />97.7 <br />57.0 <br />183 193 <br />54.8 <br />500 <br />'0.44 <br />'25.6 <br />70.0 <br />130 <br />20.0 <br />Beryllium -Be <br />2.59 <br />2.73 <br />105 <br />2.00 <br />2.06 <br />103 <br />93.3 <br />96.4 3.27 <br />ND <br />100 <br />93.3 <br />96.4 <br />70.0 <br />130 <br />20.0 <br />Cadmium -Cd <br />17.5 <br />19.0 <br />109 <br />10.0 <br />10.5 <br />105 <br />453 <br />467 3.04 <br />ND <br />500 <br />90.6 <br />93.4 <br />70.0 <br />130 <br />20.0 <br />Chromium -Cr <br />22.6 <br />25.1 <br />111 <br />10.0 <br />9.88 <br />98.8 <br />641 <br />694 10.7 <br />165 <br />500 <br />95.2 <br />106 <br />70.0 <br />130 <br />20.0 <br />Cobalt -Co <br />19.2 <br />21.1 <br />110 <br />10.0 <br />10.5 <br />105 <br />505 <br />522 3.68 <br />51.2 <br />500 <br />90.8 <br />94.2 <br />70.0 <br />130 <br />20.0 <br />Copper -Cu <br />117 <br />119 <br />102 <br />10.0 <br />10.3 <br />103 <br />19200 <br />19100 0.93 <br />8440 <br />10000 <br />108 <br />107 <br />70.0 <br />130 <br />20.0 <br />Lead -Pb <br />22.7 <br />29.0 <br />128 <br />10.0 <br />10.4 <br />104 <br />692 <br />915 39.6 <br />237 <br />500 <br />91.0 <br />136 <br />70.0 <br />130 <br />20.0 <br />Molybdenum -Mo <br />15.7 <br />16.5 <br />105 <br />10.0 <br />9.92 <br />99.2 <br />469 <br />485 3.41 <br />7.62 <br />500 <br />92.3 <br />95.5 <br />70.0 <br />130 <br />20.0 <br />Nickel -Ni <br />20.5 <br />23.7 <br />116 <br />10.0 <br />10.4 <br />104 <br />34900 <br />34900 0 <br />23800 <br />10000 <br />111 <br />111 <br />70.0 <br />130 <br />20.0 <br />Selenium -Se <br />60.7 <br />63.1 <br />104 <br />10.0 <br />10.6 <br />106 <br />462 <br />475 2.77 <br />NO <br />500 <br />92.4 <br />95.0 <br />70.0 <br />130 <br />20.0 <br />hallium-TI <br />82.5 <br />89.0 <br />108 <br />10.0 <br />9.95 <br />99.5 <br />436 <br />450 3.16 <br />NO <br />500 <br />8,7.2 <br />90.0 <br />70.0 <br />130 <br />20.0 <br />Vanadium -V <br />33.7 <br />42.7 <br />127 <br />10.0 <br />9.77 <br />97.7 <br />488 <br />508 4.29 <br />32.0 <br />500 <br />91.2 <br />95.2 <br />70.0 <br />130 <br />20.0 <br />Zinc -Zn <br />119 <br />132 <br />111 <br />10.0 <br />10.8 <br />108 <br />19700 <br />19800 0.84 <br />7780 <br />10000 <br />119 <br />120 <br />70.0 <br />130 <br />20.0 <br />Liquid Lab QC Sample <br />Initial Calibration <br />Duplicate Spiked Sample <br />ECL No.. AQ00950 <br />Matrix: Liquid, Aqueous Control Limits <br />Element <br />mg/kg <br />Verification mg/L <br />Spike results mg/kg <br />Unspiked <br />Spike <br />% Recovery <br />Mean Rec. <br />known <br />found % <br />known <br />found <br />% <br />MS MSD RPD <br />MS MSD <br />Result(mg/kg) <br />Added (mg/kg) <br />Min % Max % <br />RPD % <br />Arsenic -As <br />2.47 <br />3.10 126 <br />1.00 <br />1.05 <br />105 <br />111 113 1.85 <br />3.64 <br />100 <br />107 <br />109 <br />70.0 <br />130 <br />20.0 <br />Barium -Ba <br />10.2 <br />12.4 122 <br />1.00 <br />1.00 <br />100 <br />102 102 0 <br />3.62 <br />100 <br />98.4 <br />98.4 <br />70.0 <br />130 <br />20.0 <br />Beryllium -Be <br />2.92 <br />3.40 116 <br />1.00 <br />1.03 <br />103 <br />19.7 19.7 0 <br />NID <br />20.0 <br />98.5 <br />98.5 <br />70.0 <br />130 <br />20.0 <br />Cadmium -Cd <br />2.86 <br />3.67 128 <br />1.00 <br />1.02 <br />102 <br />102 104 1.94 <br />NO <br />100 <br />102 <br />104 <br />70.0 <br />130 <br />20.0 <br />Chromium -Cr <br />15.0 <br />17.2 115 <br />1.00 <br />1.01 <br />101 <br />103 106 3.19 <br />10.4 <br />100 <br />92.6 <br />95.6 <br />70.0 <br />130 <br />20.0 <br />Cobalt -Co <br />2.46 <br />3.07 125 <br />1.00 <br />1.02 <br />102 <br />7.70 6.54 16.3 <br />NO <br />100 <br />'7.70 <br />'6.54 <br />70.0 <br />130 <br />20.0 <br />Copper -Cu <br />65.3 <br />75.3 115 <br />1.00 <br />1.00 <br />100 <br />76300 77900 7.69 <br />56300 <br />20000 <br />100 <br />108 <br />700 <br />130 <br />20.0 <br />Lead -Pb <br />6.23 <br />7.86 126 <br />1.00 <br />1.03 <br />103 <br />116 116 0 <br />16.8 <br />100 <br />99.2 <br />99.2 <br />70.0 <br />130 <br />20.0 <br />Molybdenum -Mo <br />6.11 <br />7.34 120 <br />1.00 <br />0.99 <br />99.0 <br />102 104 1.94 <br />NO <br />100 <br />102 <br />104 <br />70.0 <br />130 <br />20.0 <br />Nickel -Ni <br />11.0 <br />13.6 124 <br />1.00 <br />1.01 <br />101 <br />104 109 8.16 <br />45.2 <br />100 <br />58.8 <br />63.8 <br />70.0 <br />130 <br />20.0 <br />Selenium -Se <br />14.2 <br />17.1 120 <br />1.00 <br />1.05 <br />105 <br />104 106 1.90 <br />NO <br />100 <br />104 <br />106 <br />70.0 <br />130 <br />20.0 <br />Thallium -Tl <br />33.0 <br />36.4 110 <br />1.00 <br />0.97 <br />97.0 <br />88.3 89.4 1.24 <br />NO <br />100 <br />88.3 <br />89.4 <br />70.0 <br />130 <br />20.0 <br />Vanadium -V <br />2.39 <br />2.73 114 <br />1.00 <br />1.00 <br />100 <br />100 99.8 0.20 <br />NO <br />100 <br />100 <br />99.8 <br />70.0 <br />130 <br />20.0 <br />Zinc -Zn <br />22.2 <br />29.7 134 <br />1.00 <br />1.04 <br />104 <br />168 173 4.69 <br />63.9 <br />100 <br />104 <br />109 <br />70.0 <br />130 <br />20.0 <br />Comments ND=Not Detected <br />' Low recoveries possibly due to the precipitation of Barium and Cobalt. <br />Staff Chemist: Merlyn De Guzman, rz- G1 / �� -�. Date: -J/ l `n7 Section L' Bad Chemist: Jamail Garcha, ��t/ �c-�U Date: <br />Sample Prepared By Dinesh Chand, C� Date: 4(9 (� <br />