USGS Visual Identity

Study-unit Survey, Volatile Organic Compounds 9

                                                               METHYL
                                                   HEXA-        ACRY-       PREH-        ISO-        BROMO-
                                                  CHLORO-       LATE        NITENE      DURENE       ETHENE
                                                    BUT-        WATER       WATER        WATER       WATER
                                                   ADIENE      UNFLTRD     UNFLTRD      UNFLTRD     UNFLTRD
   WELL NUMBER      STATION   NUMBER     DATE      TOTAL       RECOVER     RECOVER      RECOVER     RECOVER
                                                   (UG/L)      (UG/L)       (UG/L)      (UG/L)       (UG/L)
                                                   39702        49991       49999        50000       50002

        1            252505080302501    1/28/98    <.142        <.612       <.230        <.240       <.100
        2            252624080302901    1/28/98    <.142        <.612       <.230        <.240       <.100
        3            252716080290601    1/27/98    <.142        <.612       <.230        <.240       <.100
        4            252842080290501    1/27/98    <.142        <.612       <.230        <.240       <.100
        5            252940080261204    1/29/98    <.142        <.612       <.230        <.240       <.100
        6            252951080251201    1/29/98    <.142        <.612       <.230        <.240       <.100
        7            254131080234401    2/11/98    <.142        <.612       <.230        <.240       <.100
        8            254156080214601    2/10/98    <.568        <2.45       <.920        <.960       <.400
        9            254201080281701    2/11/98    <.568        <2.45       <.920        <.960       <.400
        10           254207080202201    2/10/98    <.142        <.612       <.230        <.240       <.100
        11           254938080170902    2/9/98     <.568        <2.45       <.920        <.960       <.400
        12           254958080171601    2/12/98    <.568        <2.45       <.920        <.960       <.400
        13           255052080245001    3/18/98    <.568        <2.45       <.920        <.960       <.400
        14           260053080144701    2/12/98    <.568        <2.45       <.920        <.960       <.400
        15           260223080143301    3/16/98    <.568        <2.45       <.920        <.960       <.400
        16           260234080211701    1/26/98    <.142        <.612       <.230        <.240       <.100
        17           260322080162103    3/17/98    <.568        <2.45       <.920        <.960       <.400
        18           260332080182101    3/17/98    <.568        <2.45       <.920        <.960       <.400
        19           260539080155101    3/12/98    <.568        <2.45       <.920        <.960       <.400
        20           260738080162701    3/9/98     <.568        <2.45       <.920        <.960       <.400
        21           261028080154901    3/12/98    <.568        <2.45       <.920        <.960       <.400
        22           261158080151301    3/11/98    <.568        <2.45       <.920        <.960       <.400
        23           261404080100601    3/10/98    <.568        <2.45       <.920        <.960       <.400
        24           261533080141101    3/11/98    <.568        <2.45       <.920        <.960       <.400
        25           261830080073101    3/10/98    <.568        <2.45       <.920        <.960       <.400
        26           262156080063601    1/22/98    <.142        <.612       <.230        <.240       <.100
        27           262649080053801    1/21/98    <.142        <.612       <.230        <.240       <.100
        28           262858080083901    1/22/98    <.142        <.612       <.230        <.240       <.100
        29           263638080040301    1/21/98    <.142        <.612       <.230        <.240       <.100
        30           263656080121901    1/20/98    <.142        <.612       <.230        <.240       <.100

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