RE: NANFA-- World Water Monitoring Day

Hoover, Jan J ERDC-EL-MS (
Thu, 9 Oct 2003 15:00:29 -0500

Sajjad wrote:
>>>Regarding the secchi disk:
What if I painted a 12" ceramic tile in black and white squares?
Would that work too? I don't know how to cut a tile into a

Jan responds:
No reason why shape should matter since the reading is based entirely on

Two more things:

I have been told that overnight shipping of the WWMD kits is available from
the ACWF AND that the local EPA offices have supplemental kits for kids
(magnifiers, picture guides to indicator invertebrates).
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