USGS Visual Identity

Study-unit Survey, Volatile Organic Compounds 16

                                                              METHYL     PROPENE     METHYL-
                                                  FREON-      TERT-         3-         ISO-
                                                   113        BUTYL      CHLORO-      BUTYL-      ACETONE
                                                  WATER       ETHER       WATER       KETONE       WATER
                                                 UNFLTRD     WAT UNF     UNFLTRD     WAT.WH.       WHOLE
  WELL NUMBER     STATION   NUMBER      DATE       REC         REC       RECOVER      TOTAL        TOTAL
                                                  (UG/L)      (UG/L)      (UG/L)      (UG/L)      (UG/L)
                                                  77652       78032       78109       78133        81552

       1           252505080302501    1/28/98     <.032       0.141       <.196       <.374        <4.90
       2           252624080302901    1/28/98     <.032       E.040       <.196       <.374        <4.90
       3           252716080290601    1/27/98     <.032       <.112       <.196       <.374        <4.90
       4           252842080290501    1/27/98     <.032       <.112       <.196       <.374        <4.90
       5           252940080261204    1/29/98     E.060       E.047       <.196       <.374        <4.90
       6           252951080251201    1/29/98     E.011       E.040       <.196       <.374        <4.90
       7           254131080234401    2/11/98     <.032       <.112       <.196       <.374        <4.90
       8           254156080214601    2/10/98     <.128       <.448       <.784       <1.50        <19.6
       9           254201080281701    2/11/98     <.128       <.448       <.784       <1.50        <19.6
       10          254207080202201    2/10/98     <.032       0.178       <.196       <.374        <4.90
       11          254938080170902     2/9/98     <.128       0.448       <.784       <1.50        <19.6
       12          254958080171601    2/12/98     <.128       E.390       <.784       <1.50        <19.6
       13          255052080245001    3/18/98     <.128       <.448       <.784       <1.50        <19.6
       14          260053080144701    2/12/98     <.128       <.448       <.784       <1.50        <19.6
       15          260223080143301    3/16/98     <.128       <.448       <.784       <1.50        <19.6
       16          260234080211701    1/26/98     <.032       <.112       <.196       <.374        <4.90
       17          260322080162103    3/17/98     <.128       <.448       <.784       <1.50        <19.6
       18          260332080182101    3/17/98     <.128       <.448       <.784       <1.50        <19.6
       19          260539080155101    3/12/98     <.128       <.448       <.784       <1.50        <19.6
       20          260738080162701     3/9/98     <.128       <.448       <.784       <1.50        <19.6
       21          261028080154901    3/12/98     <.128       <.448       <.784       <1.50        <19.6
       22          261158080151301    3/11/98     <.128       <.448       <.784       <1.50        <19.6
       23          261404080100601    3/10/98     <.128       <.448       <.784       <1.50        <19.6
       24          261533080141101    3/11/98     <.128       <.448       <.784       <1.50        <19.6
       25          261830080073101    3/10/98     <.128       <.448       <.784       <1.50        <19.6
       26          262156080063601    1/22/98     <.032       <.112       <.196       <.374        <4.90
       27          262649080053801    1/21/98     <.032       0.682       <.196       <.374        <4.90
       28          262858080083901    1/22/98     <.032       <.112       <.196       <.374        <4.90
       29          263638080040301    1/21/98     <.032       0.132       <.196       <.374        <4.90
       30          263656080121901    1/20/98     <.032       <.112       <.196       <.374        <4.90

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