"Tim Tyler" wrote in message ...
In uk.rec.gardening Malcolm wrote:
: On Fri, 23 May 2003 11:22:10 GMT, Tim Tyler wrote:

:Rinsing with Tap Water
:======================

[...]

:In 1997 we initiated a research program whose objective was to examine
the
:effect that the simple household technique of rinsing with tap water
would
:have upon reducing pesticide residues in produce. A wide variety of
crops
:that contained residues were examined.

[...]

:Data presented in this study show that a short rinse in tap water
reduces
:pesticide residues on many types of produce (Table 1). Residues of
:vinclozolin, bifenthrin and chlorpyrifos were not reduced. This study
also
:shows that the water solubility of pesticides does not play a
significant
:role in the observed decrease. The majority of pesticide residue appears
:to reside on the surface of produce where it is removed by the
mechanical
:action of rinsing (1).
:
: -
http://www.caes.state.ct.us/FactShee...y/fsac003f.htm
:
:Washing with water /is/ an effective method of removing pesticide
residues
:from the surface of produce. [...]

: Interesting stuff, something I have often been concerned about, I
: doubted the validity of a quick rinse and usually soak my hard fruits
: for a few hours prior to washing, of course this is not possible with
: soft fruit. I wondered about the effect of waxing on fruit, would this
: not seal the crap in as well, I find some waxes need a quick soak in
: the sink with a little detergent before coming off!

Waxed on pesticides may indeed be a problem:

don't worry, just keep pouring on the detergent

then go back to the start of the thread where roundup was being discussed
and contemplate the tank mixes that might have been hazardous

Jim Webster