Why dont you try the BIDS database at www.bath.ac.uk
George Avery wrote in message
<01bd4147$acedf000$9852f0c7 at homerun.envirolims.state.ar.us>...
>Pickering systems has a nice tech note on this. EPA Method 547 is available
>from NTIS - a useful methodfand reliable or residues in drinking water.
>>John Reuther <jreuther at rmgcal.com> wrote in article
><6ctftj$6a0 at bgtnsc02.worldnet.att.net>...
>> The manufacturer is usually the best place to start for methods.
>>>> Irek (IA) Wanicki <wanickii at rocketmail.com> wrote in article
>> <34F1766D.6F46 at rocketmail.com>...
>> > I am looking for analytical chemistry methods on determining
>> > glyphosate, a herbicide.
>> > Is there any specific newsgroup concerning the herbicides?
>> > Please reply by e-mail only.