Microbiology


Drinking Water
ParameterMethodHolding Time (Hours)
Total Coliform P/A SM922330
E.coli P/A SM922330
Total Coliform MF SM9222B30
Total Coliform MPN SM9221B30
Spring Water
Total Coliform MF SM9222B30
All Drinking Water Samples require one sterile sample bottle per analysis.
Ground/Raw/Surface Water
ParameterMethodHolding Time (Hours)
Fecal Coliform MF SM9222D6
Fecal Coliform MPN SM9221E6
E.coli MF SM9213D24
HPCSM9215B24
Storm water
Fecal Coliform MF SM9222D 6
All aqueous samples require one sterile sample bottle. Multiple analysis may be performed from one container.
Soil/Solids/Wipes
ParameterMethodHolding Time (Hours)
Fecal Coliform SM9221D24
E.coli SM9221E24
HPCSM9215B24
SalmonellaSM9260D24
Food
SalmonellaSM9260D24
All soils require one sterile sample bottle. Multiple analysis may be performed from one container, with the exception of Salmonella.

P/A = Presence/Absence MF = Membrane Filtration MPN = Most Probable Number

Please call ahead for availability on Fridays, weekend surcharges will apply. Samples will not be accepted on the day before holidays.



Tacoma

2221 Ross Way, Tacoma, Washington 98421
(One block from Port of Tacoma Road and 11th Street East)


Poulsbo

26276 Twelve Trees Ln. #C, Poulsbo, WA 98370


Port Orchard

1786 SE Mile Hill Dr. Port Orchard, WA 98366