ARCHIVED REPORTS BIOTREATMENT BEDS POST REMEDIATION INVESTIGATION REPORT

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TABLE 5-3 (continued) SUMMARY GROUND WATER SAMPLE ANALYTICAL RESULTS . AROMATIC VOLATILE ORGANICS tSromat� 4�at�Ie�Arg�nuc�''tpagl#) Sapp : I-M r�royatttfi`'�ntat�le: 1 ratorn ; .: ..... ( rganitcs e#X� EYentt "; Beut�»e Tolueae J�`th The.... lCy s [�> ...........11.... 3rd qtr-1990 NI NI NI NI 4th qtr-1990 NI NI NI NI Ist qtr-1991 <0.50 <0.50 <0.50 <0.50 2nd qtr-1991 <0.50 <0.50 <0.50 <1.0 3rd qtr-1991 <0.50 <0.50 <0.50 <1.0 4th9 tr-1991 <0.50 <0.50 <0.50 <1.0 1stq tr-1992 NA NA NA NA 2nd qtr-1992 NA NA NA NA .1.................111................. ........................................... ........................................... ........................................... ........................................... ........................................... 3rd qtr-1992 NA NA NA NA 4th qtr-1992 NS NS NS NS MW-11B is t qtr-1993 993 NS NS NS NS q 2ndtr-1993 NS NS NS N 4 S 3rd qtr-1993 NS NS NS NS '111:1-:.-1:1;::1'1.-::.- ........................................... .1111.......11.................1...1....... ........................................... .....................1..................... .................1.11.1..................... ............111...........................1 ........................................... ........................................... Number of Detects 0 0 0 0 Number of Anal ses 4 4 4 4 Y Percent Detected ND ND ND ND Minimum Concentration Detected ND ND ND ND Maximum Concentration Detected ND ND ND ND Average Concentration ND ND ND ND Geometric Mean Concentration ND ND ND ND <0.50 Standard Deviation ND ND ND ND 3rd qtr-1990 NI NI NI NI 4th qtr-1990 NI NI NI NI 1st qtr-1991 <0.50 <0.50 <0.50 <0.50 2nd qtr-1991 <0.50 <0.50 <0.50 <1.0 3rdtr-1991 <0.50 < q 0.50 <0.50 <1.0 4thtr-1991 < q 0.50 <0.50 <0.50 <1.0 1stq tr-1992 NA NA NA NA 2nd qtr-1992 NA NA NA NA .::::111:1..:::.::::::::::;::::::: ........................................... ........................................... ............................................ ........................................... ........................................... ........................................... ........................................... 3rd qtr-1992 NA NA NA NA 4th qtr-1992 <0.50 <0.50 <0.50 <1.0 MW-12A 1st qtr-1993 NA NA NA NA 2nd qtr-1993 NA NA NA NA 3rdtr-1993 NA NA q NA NA Number of Detects 0 0 0 0 Number of Analyses 5 5 5 5 Percent Detected ND ND ND ND Minimum Concentration Detected ND ND ND ND Maximum Concentration Detected ND ND ND ND Average Concentration ND ND ND ND li i> • Geometric Mean Concentration ND ND ND ND <0.50 Standard Deviation ND ND ND ND u/csing/tracy/ri/tab les/tb15-3 5-3-10