->  codebook


id ---------------------------------------------------------- estuary ID number
                  type:  numeric (byte)

                 range:  [1,37]                       units:  1
         unique values:  37                   coded missing:  0 / 37

                  mean:        19
              std. dev:   10.8244

           percentiles:        10%       25%       50%       75%       90%
                                4        10        19        28        34


bay ------------------------------------------------------------------- Estuary
                  type:  string (str23)

         unique values:  37                   coded missing:  0 / 37

              examples:  "Charleston Harbor"
                         "East Long Island Sound"
                         "Narragansett Bay"
                         "San Diego Bay"

               warning:  variable has embedded blanks


state ------------------------------------------------------------------- State
                  type:  string (str2)

         unique values:  19                   coded missing:  0 / 37

              examples:  "CA"
                         "FL"
                         "ME"
                         "OR"


pcb84 --------------------------------------------------- Total PCBs 1984 (ppb)
                  type:  numeric (float)

                 range:  [0,17104.86]                 units:  .01
         unique values:  30                   coded missing:  0 / 37

                  mean:    546.79
              std. dev:    2801.4

           percentiles:        10%       25%       50%       75%       90%
                                0      3.19        10       140     422.1


pcb85 --------------------------------------------------- Total PCBs 1985 (ppb)
                  type:  numeric (float)

                 range:  [0,736]                      units:  .01
         unique values:  30                   coded missing:  0 / 37

                  mean:   107.134
              std. dev:       183

           percentiles:        10%       25%       50%       75%       90%
                                0      4.89     11.93    130.67     414.5

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