Transcription of CHAPTER 7 SAMPLE COLLECTION PROCEDURES - NEIWPCC
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CHAPTER 7 SAMPLE COLLECTION PROCEDURES - NEIWPCC
The Wastewater Treatment Plant Operators Guide to Biosolids Sampling Plans7-1 ESSENTIAL 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. Safety equipmentand precautions should be described. This attention to detail will help minimize and biosolids can have a wide range of physical characteristics. Solids content can rangefrom 1 percent to over 90 percent.
Chapter 7: Sample Collection Procedures 7-2 A sludge judge can be used to collect sludge samples. Graduated Cylinder The equipment needed to sample a particular material must be appropriate for the physical properties of your sludge. The Wastewater Treatment Plant Operators Guide to Biosolids Sampling Plans 7-3
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