Operator Training

Math Skills Refresher

The core arithmetic and algebra operators need before the process-specific formulas make sense.

Unit Conversions

MGD, gpm, cfs, and the 8.34 factor: the conversions that show up in nearly every calculation.

Percentage & Ratio Calculations

Percent removal, percent solids, and dilution ratios used constantly in daily process checks.

Basic Geometry for Tank Volumes

Cylinder, rectangular, and cone volume formulas needed to size tanks, basins, and hoppers.

Working Under Time Pressure

Exam strategies for calculation-heavy sections when the clock is running.

Solving for an Unknown Variable

Rearranging a familiar formula to solve for a different variable than the one you're used to calculating.

Working with Significant Figures & Rounding

When and how much to round intermediate versus final answers to avoid compounding error.

Interpreting Graphs & Trend Data

Reading a plotted trend correctly, including axis scale and units, before drawing a conclusion from it.

Word Problem Translation

Converting a paragraph-style exam question into the correct formula and known values before calculating anything.

Basic Statistics for Compliance Data

Average, median, and percentile calculations used in permit compliance reporting and trend analysis.

Multi-Step Combined Calculations

Practice problems requiring you to chain two or three formulas together to reach a final answer, as many higher-grade exam questions do.