Test |
Description |
Method |
Container |
Max holding Time/Temp |
Total & Fecal Coliforms |
Class A or Class B pathogen testing guidelines |
SM9221E |
<7% solid –wide mouth sterile plastic or glass bottles
>7% wide mouth glass Jars |
24hrs; transport at 4 ◦C |
Salmonella |
Class A or Class B pathogen testing guidelines |
SM 9260D |
<7% solid –wide mouth sterile plastic or glass bottles
>7% wide mouth glass Jars |
24hrs; transport at 4 ◦C |
1) Collect chlorinated water samples in a pre-sterilized sample bottles containing sufficient concentration of sodium thiosulfate per 480mL (500ml bottles) to neutralize chlorine.
2) Collect wastewater suspected of high metal content(>0.1 mg/L) in pre-sterile sample bottles containing EDTA (metal chelating agent).
Contact the laboratory for obtaining sample bottles containing appropriate concentrations of the preservatives .