tailieunhanh - TECHNICAL REFERENCE FOR MONITORING EQUIPMENT AND INSTRUMENTS

Supervisors need to monitor whether the protective equipment is being used correctly and consistently; whether it is being cleaned and maintained; and whether provisions for training are being utilized and are adequate. They also need to be alert to possible problems, such as changes in conditions that might render the PPE inadequate, or hazards which the PPE might create or exacerbate (see Section 29). Supervisors and workers need to keep managers informed of changes in the workplace or processes and changes or improvements in available PPE. There must be clear guidelines for any disciplinary action(s) that would be taken against workers who do not comply with obligations under the. | TECHNICAL REFERENCE FOR MONITORING EQUIPMENT AND INSTRUMENTS INTRODUCTION The objective of this section is to provide reference materials for various types of sensors commonly used to measure process and or air pollution control equipment operating parameters. The owner or operator of a facility may use this chapter as guidance in developing a QA QC program. This section is in no way intended to specify prescriptive QA QC procedures that must be used. Instead the focus of this section is on 1 identifying the types of sensors commonly used to monitor a given parameter and 2 identifying basic calibration techniques that may be used in the development of an integrated QA QC program for assuring continued accurate performance over time. This section describes the various types of sensors the measurement principle s other system components used with the sensor to perform measurements and basic calibration techniques for the following measurement systems Temperature Pressure Flow rate pH and conductivity Electrical Reserved Level indicators Reserved Motion and rotation Reserved For each type of measurement system the following information is presented Description of sensor measurement principle and measurement system components Expected accuracy and precision ranges Calibration techniques QA QC procedures and Additional resources and references. For each sensor system descriptions of some of the different types of systems used are presented including the operating principles and identification of individual components requiring QA QC procedures. Operating and maintenance procedures and common problems as well as calibration techniques and procedures and expected accuracy and precision ranges are CAM Technical Guidance Document INTRODUCTION 8 98 4-1 included. Much of this information is drawn from manufacturers data. References are provided at the end of each subsection. In describing the characteristics and operation of many of the

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