Articles Authored by Dan Theobald / Published on “Water Online”:

Recommendation by the Editor:

“Dan has been an extremely valued asset to me and my work as chief editor of Water Online. He leverages his considerable consulting and training expertise to create content with true impact. His “Math Solutions” series — tutorial articles supported by video demonstrations — are consistently well-executed and high-performing. He is helpful, knowledgeable, and a pleasure to work with.”

Kevin Westerling

Chief Editor, Water Online

Articles Published on “Water Online”:

-45- 03/15/2022-Math Solutions Explained: Calculate Food-to-Microorganism (F-M) Ratio

https://www.wateronline.com/doc/math-solutions-explained-calculate-food-to-microorganism-f-m-ratio-0001

-44- 09/23/2021-Math Solutions Explained: Converting To Gallons Per Minute

https://www.wateronline.com/doc/math-solutions-most-popular-step-by-step-procedure-calculation-videos-of-0001

-44- 08/23/2021-Math Solutions Explained: Biochemical Oxygen Demand (BOD) Mg/L

https://www.wateronline.com/doc/math-solutions-explained-biochemical-oxygen-demand-bod-mg-l-0001

-43- 08/03/2021-Math Solutions Explained: Pipe Volume Gallons

https://www.wateronline.com/doc/math-solutions-explained-pipe-volume-gallons-0001

https://www.wateronline.com/doc/benefits-of-remote-access-to-primary-wastewater-treatment-0001

-41- 01/10/2018-10 Most Popular Step-By-Step Procedure Calculations Videos of 2017

https://www.wateronline.com/doc/math-solutions-most-popular-step-by-step-procedure-calculation-videos-of-0001

-40- 05/02/2017-Flow Velocity Calculations

https://www.wateronline.com/doc/math-solutions-flow-velocity-calculations-0001

-39- 03/28/2017-Helpful Math Hints And Calculations

-38- 02/15/2017-Certification Examination Prep Calculations

https://www.wateronline.com/doc/math-solutions-certification-examination-prep-calculations-0001

-37- 01/06/2017-Energy Dollar Savings Calculations

https://www.wateronline.com/doc/math-solutions-energy-dollar-savings-calculations-0001

-35- 11/02/2016-Alkalinity Calculations

http://www.wateronline.com/doc/math-solutions-alkalinity-calculations-0001

-34- 10/04/2016-Mixed Liquor Suspended Solids (MLVSS) Calculations

http://www.wateronline.com/doc/math-solutions-mixed-liquor-volatile-suspended-solids-mlvss-calculations-0001

-33- 09/07/2016-Sludge Age Process Control Calculations

http://www.wateronline.com/doc/math-solutions-sludge-age-process-control-calculations-0001

-32- 08/05/2016-Activated Sludge Process Control Calculations

http://www.wateronline.com/doc/math-solutions-activated-sludge-process-control-calculations-0001

-31- 07/07/2016-Pumping Calculations

http://www.wateronline.com/doc/math-solutions-pumping-calculations-0001

-30- 05/27/2016-Combining Concentrations Calculations

http://www.wateronline.com/doc/math-solutions-combining-concentrations-0001

-29- 05/04/2016-Efficiency And Recovery Calculations

http://www.wateronline.com/doc/math-solutions-efficiency-and-recovery-calculations-0001

-28- 03/08/2016-More Volume Calculations

http://www.wateronline.com/doc/math-solutions-more-volume-calculations-0001

-27- 02/16/2016-Mean Cell Residence Time (MCRT) Calculations

http://www.wateronline.com/doc/math-solutions-mean-cell-residence-time-mcrt-0001

-26- 01/06/2016-Poundage Calculations

-24- 10/22/2015- Math Solutions-Activated Sludge 2

http://www.wateronline.com/doc/math-solutions-activated-sludge-no-0001

-23- 09/09/2015-Real Life Wastewater Calculations

http://www.wateronline.com/doc/math-solutions-real-life-wastewater-calculations-0001

-22- 08/21/2015-Replenish Depleting Groundwater

http://www.wateronline.com/doc/options-to-replenish-depleting-groundwater-0001

-21- 08/06/2015-Wet Well Flow Rate Calculations

http://www.wateronline.com/doc/math-solutions-wet-well-flow-rate-calculations-0001

-20- 06/29/2015-Math Solutions-More Conversion Calculations

http://www.wateronline.com/doc/math-solutions-more-flow-rate-conversion-calculations-0001

-19- 06/12/2015-Drinking Water Test with Al Roker & Stephanie Abrams

http://www.wateronline.com/doc/putting-drinking-water-to-the-test-0001

-18- 05/26/2015-Math Solutions-Conversion Calculations

http://www.wateronline.com/doc/math-solutions-conversion-calculations-0001

-17- 04/22/2015-Earth Day Outreach: Insights on Water Conservation And Quality

http://www.wateronline.com/doc/water-conservation-0001

-16- 03/23/2015-Math Solutions: Controlling Secondary Treatment

http://www.wateronline.com/doc/math-solutions-controlling-secondary-treatment-0001

-15- 02/12/2015-Math Solutions Simulating Jar Test Results

http://www.wateronline.com/doc/math-solutions-simulating-jar-test-results-0001

-14- 01/09/2015-Math Solutions Most Popular in 2014

http://www.wateronline.com/doc/math-solutions-simulating-jar-test-results-0001

-12- 10/28/2014-Math Solutions: Poundage Calculations

http://www.wateronline.com/doc/math-solutions-poundage-calculations-0001

-11- 09/26/2014-Pump Efficiency Calculations

http://www.wateronline.com/doc/math-solutions-pump-performance-and-efficiency-calculations-0001

-10-09/13/2014-Math Solutions: Volume Calculations

http://www.wateronline.com/doc/math-solutions-volume-calculations-0001

-09- 09/13/2014-Math Solutions: Volume Calculations

http://www.wateronline.com/doc/math-solutions-volume-calculations-0001

-08- 08/04/2014-Math Solutions: Flow Rate Conversions:

http://www.wateronline.com/doc/math-solutions-flow-rate-conversions-0001

-07- 07/10/2014-Math Solutions: Waste Activated Sludge Calculations:

http://www.wateronline.com/doc/math-solutions-waste-activated-sludge-was-calculations-0001

-06- 06/17/2014-‘Math Solutions’ for Wastewater Operator Certification:

-05- 03/25/2014-Storing, Handling, or Transporting Substances:

-04- 12/03/2012-Wastewater-pH Balanced for Treatment:

-03- 05/15/2013-Three Overlooked Tasks at WWTPs:

-02- 12/03/2012-Wastewater-pH Balanced for Treatment: