Subject: Black vs Grey water

From: [email-masked] (Tom C)
Date: 16 Sep 1995 14:31:45 GMT

COMPARISON OF GREY vs BLACK WATER

                          Grey Water Tank      |  Black Water Tank    |
                       (sinks, tub, washer)    |      (toilet)        |
 ---------------------------------------------------------------------|
                     |                         |                      |
       B.O.D.        |        149              |       90             |
______________________________________________________________________|                     
                     |                         |                      |
       S.S           |        162              |       77             |
                     |                         |                      |
______________________________________________________________________|                     
                     |                         |                      |
      C.O.D.         |        366              |       258            |
                     |                         |                      |
______________________________________________________________________|                     
                     |                         |                      |
      P.H.           |        6.8              |       7.8            |
                     |                         |                      |
______________________________________________________________________|                     
                     |                         |                      |
Total Colifroms      |   24 x 10(6)            |    0.25 X 10(6)      |
   \100 mls.         |                         |                      |
______________________________________________________________________|                     
                     |                         |                      |
Fecal Coliform       |  1.4 x 10(6)            |    0.04 x 10(6)      |
   \100 mls.         |                         |                      |
______________________________________________________________________|

circa 1970's vintage
sorry, seem to have lost the reference