USGS Visual Identity

Urban Land-use, Background Wells, Volatile Organic Compounds 5

                                                          METHYL   TETRA-    TRI-  
                                                 METHYL-    ENE    CHLORO-  CHLORO-
                                        METHYL-   CHLO-    CHLO-   ETHYL-   FLUORO-
                                        BROMIDE   RIDE     RIDE     ENE     METHANE
WELL NUMBER  STATION NUMBER     DATE     TOTAL    TOTAL   TOTAL     TOTAL    TOTAL 
                                        (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L) 
                                        (34413)  (34418)  (34423)  (34475)  (34488)
            
     1      260728080205002   11-14-96   <.100    E.020    <.100    <.050    <.100 
     2      260938080190101   02-10-97   <.200    <.400    <.200    <.100    <.200 
     3      261541080112701   12-12-96   <.400    <.800    <.400    <.200    <.400 

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