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' � ����� Analytical ��� � u�mom� Inc.�xu�� o�m���m�� � <br />11353 Pyrites Way, Suite <br />Rancho Cordova, C/k95670 ` <br />(916) 852-8557 <br />LABORATORY CONTROL REPORT <br />Metal Analysis and Preparation for Sun Nos. 23240. <br />Method of Sample Preparation: Acid Digest (EPA 3020 or 3050) <br />Analyte Cone. of Accuracy Precision <br />Analyte % limits (RPD) <br />----------- ------ ------- ----------- ------ <br />Arsenic <br />0.030 <br />106 <br />87-II3 <br /><1 <br />Cadmium <br />1.000 <br />100 <br />94-106 <br />1 <br />Chromium <br />5^000 <br />100 <br />91-109 <br /><I <br />Copper <br />2.000 <br />102 <br />97-104 <br />1 <br />Load <br />7.500 <br />99 <br />93-107 <br /><1 <br />Mercury <br />0.100 <br />101 <br />87-113 <br /><1 <br />Mol <br />20.000 <br />101 <br />94-107 <br /><1 <br />Nickel <br />5.000 <br />103 <br />36-104 <br />1 <br />Selenium <br />0.030 <br />100 <br />83-117 <br /><1 <br />%ioo <br />1.000 <br />107 <br />92-108 <br />(1 <br />NOTES (All of the following are specific for the current analysis process.) <br />l. Analyte concentration is obtained from purchased Quality Control Standards <br />2. Accuracy in the percent of the known analyte concentration determined. <br />3. Precision is the relative percent difference of two determinations (D1 & D2) <br />of the know analyte. 89D= ((D1-D2)/(D1fD2)/2 ) * 100 <br />