Water and Wastewater.com Help Forums - CT & Log Removal Information Source

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CT & Log Removal Information Source
Apr 26^th, 2012, 12:27am

Hello Colleagues,

I am trying to create an SOP for my Water Treatment Plant and I have not been able to find a source of information that relates to the increase of ct & log removal when the raw influent water bacteriological quality is poor. CDPH has provided us an excel spreadsheet that does it automatically, however it does not explains its source.

Any help is extremely appreciated.

-Manny

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Jeff Naumann

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Re: CT & Log Removal Information Source
Reply #1 - Apr 26^th, 2012, 7:18am

Almost non-compliance wrote on Apr 26^th, 2012, 12:27am:

Hello Colleagues,

I am trying to create an SOP for my Water Treatment Plant and I have not been able to find a source of information that relates to the increase of ct & log removal when the raw influent water bacteriological quality is poor. CDPH has provided us an excel spreadsheet that does it automatically, however it does not explains its source.

Any help is extremely appreciated.

-Manny

What is "ct" and "log removal?"

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Almost non-compliance

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Re: CT & Log Removal Information Source
Reply #2 - Apr 26^th, 2012, 9:47am

Hello Jeff,

CT and Log removal are related to the potable water disinfection. It's a calculation that provides the level of disinfection in reference to the quantity of chlorine applied, water reservoirs & pipes capacities and contact time.

I though I could find this info on the LT2ESWTR, but it's not.

Thanks for your help!

-Manny

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