In article <abdjrm$jr5$1 at clematis.singnet.com.sg>, Magix
<keicheng at magix.com.sg> writes
>>We need to conduct toxicity screening of water samples when there are
>chemical spills or fish kills. In such cases, we need to respond to the
>public quickly and inform them whether it is safe (epecially when the
>waters are for recreational purposes).
What do you need to test for ?