USGS Visual Identity

Study-unit Survey, Volatile Organic Compounds 7

                                                 BENZENE                           BENZENE    BENZENE
                                                  O-DI-                  1,2-      1,2,4-     1,3-DI-
                                                 CHLORO-    1,2-DI-     TRANSDI     TRI-      CHLORO-
                                                  WATER     CHLORO-     CHLORO-    CHLORO-     WATER
                                                 UNFLTRD    PROPANE     ETHENE     WAT UNF    UNFLTRD
   WELL NUMBER      STATION   NUMBER    DATE       REC       TOTAL       TOTAL       REC        REC
                                                 (UG/L)      (UG/L)     (UG/L)     (UG/L)     (UG/L)
                                                  34536      34541       34546      34551      34566

        1           252505080302501    1/28/98    <.048      <.068       <.032      <.188      <.054
        2           252624080302901    1/28/98    <.048      <.068       <.032      <.188      <.054
        3           252716080290601    1/27/98    <.048      <.068       <.032      <.188      <.054
        4           252842080290501    1/27/98    <.048      <.068       <.032      <.188      <.054
        5           252940080261204    1/29/98    <.048      <.068       <.032      <.188      <.054
        6           252951080251201    1/29/98    <.048      <.068       <.032      <.188      <.054
        7           254131080234401    2/11/98    <.048      <.068       <.032      <.188      <.054
        8           254156080214601    2/10/98    <.192      <.272       <.128      <.752      <.216
        9           254201080281701    2/11/98    <.192      <.272       <.128      <.752      <.216
        10          254207080202201    2/10/98    <.048      <.068       E.010      <.188      <.054
        11          254938080170902    2/9/98     E.200      <.272       <.128      <.752      E.083
        12          254958080171601    2/12/98    <.192      <.272       <.128      <.752      <.216
        13          255052080245001    3/18/98    <.192      <.272       <.128      <.752      <.216
        14          260053080144701    2/12/98    E.270      <.272       E.028      <.752      <.216
        15          260223080143301    3/16/98    E.027      <.272       <.128      <.752      <.216
        16          260234080211701    1/26/98    <.048      <.068       <.032      <.188      <.054
        17          260322080162103    3/17/98    <.192      <.272       <.128      <.752      <.216
        18          260332080182101    3/17/98    <.192      <.272       <.128      <.752      <.216
        19          260539080155101    3/12/98    <.192      <.272       <.128      <.752      <.216
        20          260738080162701    3/9/98     <.192      <.272       <.128      <.752      <.216
        21          261028080154901    3/12/98    <.192      <.272       <.128      <.752      <.216
        22          261158080151301    3/11/98    <.192      <.272       <.128      <.752      <.216
        23          261404080100601    3/10/98    <.192      <.272       <.128      <.752      <.216
        24          261533080141101    3/11/98    <.192      <.272       <.128      <.752      <.216
        25          261830080073101    3/10/98    <.192      <.272       <.128      <.752      <.216
        26          262156080063601    1/22/98    <.048      <.068       <.032      <.188      <.054
        27          262649080053801    1/21/98    <.048      <.068       <.032      <.188      <.054
        28          262858080083901    1/22/98    <.048      E.017       <.032      <.188      <.054
        29          263638080040301    1/21/98    <.048      <.068       <.032      <.188      <.054
        30          263656080121901    1/20/98    <.048      <.068       <.032      <.188      <.054

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