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Centrum w _ <br /> Analytical <br /> Laboratories <br /> QC Sample Report - Metals by EPA 6010B and EPA 7471A <br /> Sample Matrix: Soil <br /> Metals by EPA 6010B <br /> Analytical Batch* 601OW4325 <br /> Spike Sample 1D: Laboratory Control Sample Anal tical Notes: <br /> MSIMSD Sample ID: STOCKTON CLARIFIER <br /> Batch Accuracy Results: Batch Precision Results: <br /> C .. <br /> 5 N C ❑ U <br /> G N .J O✓ eD UQ` w <br /> v QA � N a) d Q1 "' 0. <br /> C E m W d E d U <br /> O N 3 7 f[3 lO E ^ C U <br /> U >a (� U u- W N Ne = 2 Q m -a <br /> X Y a Q! U N Q3 QST LL ,l* W <br /> Compound_ w E cn a a Q o- 7 2 a a J o_ <br /> Antimony 50.0 104 75 125 Pass 50.84 52.13 2% 20% Pass <br /> Rrseriic': "' 50:f} CD4 75 `.:125 <br /> Pass :4941 .4 J1' 1% 20°J° Pass <br /> Barium 50.0 104 75 - 125 Pass 50.12 50.28 0% 20.%.... Pass <br /> v <br /> Bsryllturn 50:Q 98�.;: 75 :125 ;Pass 46 29 461Z' 0°J° 20%::: Pass>. <br /> Cadmium 50.0 93 75 - 125 Pass 43.79 44.66 2% 20% Pass <br /> Chromium 5Et Q' 1t3 75 : i 25 :< " .. SIS 3 .`.. 48 8Q 1°fv:: 20�@ . Passe' <br /> ...:. . <br /> Cobalt 50.0 96 75 - 125 Pass 44.30 45.00 2% 20% Pass <br /> Ql3pef.:.. 50 0 ' 1b0 75 1'25 Pass 50 E)$ psa <br /> Lead 50.0 94 75 - 125 Pass 43.02 44.34 3% 20% Pass <br /> )'Vlalybdent�m 75:- 125 `;Pass 4512 46 09 2°!0; 20°fa Hass' <br /> ° v <br /> Nickel 50.0 95 75 - 125 Pass 46.78 47.29 1/° 20% Pass <br /> -20 <br /> 8ete0ivim... 51 0 '1ifE;:... 75 -..125 :.::Pass 43 2' :. - <br /> silver 50.0 99 75 125 Pass 19.01 18.77 1% 20% Pass <br /> Thlliitm . ...... : 50:U . . 9£}':. 75 > 12 ::Pass 37 J7:....4157, 9"/a> 2©alv PsS:: <br /> Vanadium 50.0 102 75 - 125 Pass 47.94 48.62 1% 20% Pass <br /> Zinc : :• 5aE7 99: 75:,y <br /> Mercury by EPA 7471A <br /> Batch Number: 747151759 <br /> Spike Sample ID: Laboratory Control Sample <br /> MSIMSD Sample ID:STOCKTON CLARIFIER Analytical Notes: <br /> Batch Accuracy Results Batch Precision Results <br /> c <br /> iw a <br /> ID J a) <br /> CI OL <br /> Eai ai _ n E ¢ � _ <br /> LL <br /> 2t � a D 8vi VJ ❑ <br /> Compound U) E cn ¢ E n ¢ a <br /> Mercury 0.42 102 75 - 125 Pass 0.010 0.010 0% 20% Pass <br /> MS:Matrix Spike LCS:Laboratory Control Sample <br /> MSD:Matrix Spike Duplicate LCSD:Laboratory Control Sample Duplicate <br /> Page 3 of 9 <br />