CHAPTER 7 SAMPLE COLLECTION PROCEDURES
The Wastewater Treatment Plant Operators Guide to Biosolids Sampling Plans7-1ESSENTIAL ELEMENTS OF A SAMPLING PLAN Goals of the Sampling Plan Description of the Facility Generating Sludge Data Quality Objectives Selecting and Describing Sampling Points SAMPLE COLLECTION PROCEDURES SAMPLE Handling PROCEDURES Evaluation of Completeness Record-Keeping and Reporting PROCEDURES After establishing data quality objectives and selecting appropriate sampling points, the nextstep in developing a sampling plan is to establish and describe the SAMPLE COLLECTION proce-dure. To ensure consistency, all elements involved in SAMPLE COLLECTION must be to sampling, all sampling equipment and PROCEDURES , as well as methods of cleaningand preparing sampling equipment and containers, should be determined.
Equipment Preparation and Cleaning Before using sampling equipment for the first time and after every use, it must be thor-oughly cleaned. Cleaning procedures may …
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