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  1. rjanoch

    stormwater - one word, or two?

    i use stormwater and wastewater as one.
  2. rjanoch

    Low Flow Meter

    if the tank is empty to begin with, and the volume going in will be less than the tank volume....you could measure the level in tank at the beginning and end and calculate the storage volume.
  3. rjanoch

    CT Calculations

    I should have been clearer about the question, CT (concentration/time) for disinfection. Under EPA SWTR there needs to be calculations done regarding contact time and log removal. Is there software that does those calculations using the inputs of pH, temp, etc.?
  4. rjanoch

    CT Calculations

    Is there software available to calculate CT based on pH, temperature, etc.?
  5. rjanoch

    Rotating laser levels

    I have used Topcon rotating lasers for years and found them good value for their cost.
  6. rjanoch

    Decommission of a WWTP

    Cutoff power to the site to prevent energy/$ drain.
  7. rjanoch

    UV Dose for Wastewater Disinfection

    Is there a minimum UV dose required by the EPA for disinfection of treated wastewater? I have found literature suggesting 40 mJ/cm2 for drinking water, but am looking for requirements regarding wastewater.
  8. rjanoch

    NSF certification for pipes

    Is NSF certification required by the USEPA for pipes used to convey drinking water? Or is it up to the states to determine what certifications are necessary?
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