Tag Archives: math

Continuing Education Opportunity – Surface Water Protection, Organic Removal and Math

The Division of Compliance Assistance is hosting “Surface Water Protection, Organic Removal and Math” at Greenbo Lake State Resort Park. The class will discuss the importance of and methods used to protect surface water, the U.S. Environmental Protection Agency mandates … Continue reading

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Wastewater Math: Class 3

In previous blogs, we reviewed math videos for helping wastewater operators prepare for Class 1 and Class 2 examinations. Now we’ll explore math equations that could potentially be found on Class 3 exams. Since the videos below were created in … Continue reading

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Wastewater Math: Class 2

In a previous blog, Wastewater Math: Class 1, we looked at math equations that would be on the class 1 exam. This time we will look at problems you might find on a class 2 exam. The videos below were … Continue reading

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Storage Tank Disinfection

As distribution operators, there are times when storage tanks have to be disinfected. By rule, it has to be chlorinated at 50 ppm for 24 hours with a residual of 25 ppm. You may be asked to calculate the amount … Continue reading

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Wastewater Math: Class 1

For anyone like me, I have to visually see something before I can understand it. Because I am able to absorb visual information faster, the string of YouTube videos below really grabbed my attention. Below is a four-part series of … Continue reading

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Test Your Knowledge – Calculating a Draw Down Test at a Lift Station

Now that you have read the post, Calculating a Draw Down Test at a Lift Station, try working the following practice problem on your own.

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Calculating a Draw Down Test at a Lift Station

During these times of budget cuts and economic responsibility, we all have to find ways to determine if we are getting the biggest bang for our buck. One of the ways to determine if your lift stations are operating at … Continue reading

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