Uncategorized

Feb
18

Volume in Gallons | Texas Class D Water Math

Learn how to calculate Volume and Gallons. This is an example of our Five-Step Approach to solving math problems. Additional Resources Take a FREE Class D Water License Practice Test. If you are preparing for a Texas License exam, you may be interested in our FREE Exam Tips or in signing up for one of our Texas Exam Prep […]

DETAIL
Feb
18

Volatile Solids Reduction – Wastewater Math

Learn how to solve a Volatile Solids Reduction problem in this video. Additional Resources If you are preparing for an exam, you may be interested in our FREE Exam Tips or in signing up for one of our Exam Prep courses.

DETAIL
Feb
11

BOD Problem – Wastewater Math

Learn how to solve a BOD Problem in this video. Additional Resources If you are preparing for an exam, you may be interested in our FREE Exam Tips or in signing up for one of our Exam Prep courses.

DETAIL
Feb
11

Chlorine Demand | Texas Class D Water Math

Learn how to calculate Chlorine Demand in this video. This is an example of our Five-Step Approach to solving math problems. Additional Resources Take a FREE Class D Water License Practice Test. If you are preparing for a Texas License exam, you may be interested in our FREE Exam Tips or in signing up for one of our Texas […]

DETAIL
Jul
03

State Certification Information | California Treatment and Distribution Renewal

Just like the obtaining the certification, certification renewal requires some paperwork and fees. You can find Approved Continuing Education Courses if you need to get hours for renewal.   The fees for certification renewal can be found in the Renewal Fees And Dates PDF. The fees for renewal by grade level are: Grade 1 – $70.00 Grade […]

DETAIL
Jun
22

How to Calculate BOD Removal Efficiency – Wastewater Math

Let’s take a look at how efficient a wastewater treatment plant is at removing BOD.  This is a percent removal problem, so let’s go to the board and see how to work this problem. The problem reads “What is the percent of BOD removed in a plant when the influent BOD is 245 mg per […]

DETAIL
Jun
13

Water Treatment Math | Chlorine Tablets – Chemical Dose Problem

Learn how to calculate Chemical Dose for Chlorine Tablets in this video. This is an example of our Five Step Process to solving math problems. If you are preparing for a certification exam, you may be interested in our FREE Exam Tips or in signing up for one of our Exam Prep courses. We are here to help you […]

DETAIL
Feb
28

Water Distribution | Fire Hydrant Parts and Classification

Learn about Fire Hydrant parts and classification in this excerpt from our Distribution System Exam Review course.     In this video we look at hydrant parts and the different classifications. Each color represents a different flow rate. Red hydrants have a flow below 500 gallons per minute (GPM). Orange hydrants are between 500 and […]

DETAIL
Page 1 of 1112345...10...Last »