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  • Users: rogerstv
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  1. rogerstv

    Using Citric Acid to reduce pH

    Will someone please provide me with a starting point on the amount or how to calculate the amount of citric acid needed to reduce water with a pH of 14,74 to a pH of 7.0?
  2. rogerstv

    TDH Calculation review

    I have to check the TDH calculations for fourteen extraction well pumps discharging to a treatment system building. It has been a long time since I performed any calculations of this nature. And, I have no one at my place of employment to review my work. Will someone please double check that I...
  3. rogerstv

    Settleometer

    Does anyone have a SOP for using a settleometer? Is it up to the user to decide the frequency of readings?
  4. rogerstv

    Environmental Continuing Ed Class

    Does anyone know where I might find upper level continuing education courses on geology, soil classification, risk based corrective action or soil screening level calculations, or groundwater contaminant modeling? I am interested in upper level courses only. Any other suggestions are welcome...
  5. rogerstv

    Bouwer & Rice Book

    I am looking for the two books written for analyzing rising slug test data and written by these two authors. Or, I am willing to purchase any other recommended book that explains the Bouwer and Rice method of interpreting data. Thank you.
  6. rogerstv

    water service maximum lengths

    I am looking for a chart that contains recommended maximum lengths for water service lines based upon the pipe diameter. It is helpful in giving a home owner a recommendation as to what size of service to run from the main to their house in a rural water supply system. I have seen it in the...
  7. rogerstv

    Pier review of spreadsheet

    I am looking for a pier review of my Excel Spreadsheet created to calculate the storage required for capture in accordance with Phase II requirements of the CWA(i.e. Post-construction minus Pre-Construction). I will email the spreasheet to anyone interested. The spreadsheet may take some...
  8. rogerstv

    Stormwater Detention/Hydrology

    I am looking for a pier review of my Excel Spreadsheet created to calculate the storage required for capture in accordance with Phase II requirements of the CWA(i.e. Post-construction minus Pre-Construction). I will email the spreasheet to anyone interested. The spreadsheet may take some...

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