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Bag or Cartridge Filter Log Sheet
For operating specifications and parameters for Colorado alternative filtration systems, suppliers are instructed to visit the department’s website to see the “acceptance letter.”
Suppliers are required to maintain less than (<) 1 NTU 95% of the time and not to exceed 5 NTU. This form must be maintained for "X" years and be available for review by the department.
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System Name:PWSID:
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Treatment Plant Name:Train Name (for systems with multiple filters)
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Compliance Filter Cartridge Model:Compliance Filter Housing Model:
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Maximum Flow Rate:Maximum Differential Pressure for Cartridge Change out:
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Prefilter Cartridge Model:Pre Filter Housing Model:
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Month:List of spare parts required:
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DayTimeCompliance Filter Inlet Pressure Reading (psi)Compliance Filter Outlet Pressure Reading (psi)Differential Pressure Reading (psi)InitialsPlant Off (check if plant was off/no water made)Notes (filter change outs, both pre-filter and compliance filters should be changed out at the same time)
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