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ROY F . WESTON , INC . <br /> LCS/PB SUMMARY <br /> MATER BY GFAA <br /> LPw#1 { 3 7yy -7 ri <br /> LABORATORY CONTROL <br /> SAMPLE , mg/L <br /> ANALYTE REPORTING PROCEDURE (CONTROL LIMIT 80%- 120%) <br /> LIMIT BLANK <br />' mg/L mg/L OBS TY RE£ , % <br /> ARSENIC 0 010 0 . 040 <br />' LEAD 0 . 005 A16OLmP 0IYU 0 . 020 hoc /vv <br /> SELENIUM 0 . 005 0 . 010 <br />' THALLIUM 0 010 0 . 050 <br />' NOTES : <br />