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Guidance for TNTC on Q-Tray E.Coli and HT
Jason Graham
Posted: Thursday, December 15, 2011 11:43 AM
Joined: 2/17/2011
Posts: 7


Please advise - what does your wastewater lab do when bacterial numbers are too numerous too count (TNTC) using an enzyme substrate method, given the current 40 CFR regs state that wastewater samples must be analyzed within six hours?  



Cindy Wright-Jones 


City of Ft. Collins Pollution Control Laboratory