Here are the answers to the Nov. 5, 2020 edition of TPO's Exam Study Guide:1. What type of sampling is used to gather samples at the same time and same place on a regular basis?
The answer to this question is D, grab sampling. Representative sampling is important for accurate and meaningful monitoring and reporting. Understanding the different types of sampling procedures is important for operators to understand to properly operate a treatment plant. Grab sampling is used for samples that have to analyzed immediately such as pH, DO or chlorine residual. The samples must be taken as close to the same time and
Study Guide Answer Key
Nov 05, 2020
