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� <br />W029-9 <br />Mr, Warren Shannon <br />CITY OF MANTECA <br />3450 W^ Yosemite Ave. <br />Muntecup CA 95336 <br />MARCH 28, 1991 <br />Date Received1 01-29-91 <br />Date Sturted� 02-04-91 <br />Date Completed� 03-22-91 <br />' <br />Lab Mo! 20093 Sample Id� Sand Sewer Cleanings <br />PO# 40811 <br />PRIORITY METALS~TTLC <br />Detection Limit <br />Analyte <br />Level Found <br />mg/Kg <br />mg/kg <br />5°0 <br />Antimony <br />ND <br />001 <br />Arsenic - <br />0°16 <br />10+0 <br />Barium <br />583 <br />14.0 <br />Beryllium <br />ND <br />1^0 <br />Cadmium <br />2^9 <br />1^0 <br />Chromium <br />27.6 <br />0,5 <br />Chromium VI <br />ND <br />2^0 <br />Cobalt <br />ND <br />1^0 <br />Copper <br />169 <br />2^0 <br />Lead <br />271 <br />0^05 <br />Mercury <br />1^79 <br />5^D <br />Molybdenum <br />ND <br />1°0 <br />MicKel <br />13^5 <br />0°05 <br />Selenium <br />WD ' <br />1.0 <br />Silver <br />4°9 <br />5^0 <br />Thallium <br />ND <br />1040 <br />Vanadium <br />20°3 <br />1.0 <br />Zinc <br />294 <br />A & L Western Agricultural Laboratories <br />` <br />' <br />-' t Butterfield <br />Dedicated Exclusively to Providing Quality Analytical Services <br />Our reports and letters are for the exclusive and confidential use dour clients and may not be reproducedinwholeurinpurt,ourm reference be made <br />tnthe work, the results, orthe company inany advertising, news release. or other public announcements without obtaining our prior written authorization. <br />