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GROUNDWATER MONITORING PROGRAM Former Beacon Station No. 12419 Well IlQuarterl TPHg I BTEX I MTBE DIPS ETRE TAME TBA Imethanol ethanol DCA ` MW-1 Q1 I x x x x x x x x x x screened Q2 Interval 03 65-85' Q4 MW-2 Q1 x x x x x x x x x x screened Q2 interval Q3 65-85' Q4 MW-3 01 x x x x x x x x x x screenedi Q2 Interval 03 65-85' Q4 "MW-4 Q1 - - x - x x _ 'x- - x x x x - x x - J screened Q2 interval Q3 48-70' 04 MW-5 Q1 x x x x x x x x x x screened 02 Interval 03 48-71' 04 - MW-6 Q1 x x x x x x x x x x screened -Q2 x x x Interval Q3 x LLx x 48-71' 04 x x x MW-7 Q1 x x x x x x x x x x screened Q2 Interval Q3 x x x - - 41-66' Q4 MW-8 01 x x x x x x x x x x screened 02 _x_ x_ _x Interval Q3 x x x ' 41-66' Q4 x x x MW-9 Q1 x x x x x x x x x x screeneQ2.=x— max^ —x--- Interval 03 x x x 41-66' ..._.. _- —Q4— x— —x__ � MW-10 Q1 x x x x x x zT � z -�{ x � z _ �-- -_ ---- screened ---Q2-_ -x T -.x.- _x -- interval Q3 x x x 41-66' Q4 x x x MW-11 01 x x x x x x x x x x screened 02 - interval Q3 x x x 30-50' Q4 AS-1 Q 1 x x x x x x x x x x screened - Q2 Interval Q3 64-69' Q4 AS-2 Q1 x x x x x x x x x x screened Q2 interval 03 x x x 123-128' Q4 AS-3 Q1 x x x x x x x x x x screened 02 Interval Q3 x x x 80-85' Q4 Notes All analyses performed by EPA Method 82606 High-reporting-limit methanol and ethanol results shall be confirmed by a second analysis Protect No 141947 Page 1 of 1 HORIZON ENVIRONMENTAL INC.