Kelly, 2 years ago I cleaned out my grandmothers basement. You wouldn't believe what I found (well, you probably would).

Clordane, DDT, etc. One can is marked Bug Pizen (not a typo). I'll take a pic tomorrow after I get back from Mi. delivering fish. Camera is in the truck and I'm beat.

www.hoosierpondpros.com

[Linked Image from lh6.ggpht.com]
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3/4 to 1 1/4 ac pond LMB, SMB, PS, BG, RES, CC, YP, Bardello BG, (RBT & Blue Tilapia - seasonal).