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OPERATION MANUAL FOR AUTOMATIC DICHOTOMOUS SAMPLERS, APPLICATION TO BECKMAN DICHOTOMOUS SAMPLERS
Citation:
Spengler, J., W. Turner, F. Fairchild, J. Slaughter, AND T. Dzubay. OPERATION MANUAL FOR AUTOMATIC DICHOTOMOUS SAMPLERS, APPLICATION TO BECKMAN DICHOTOMOUS SAMPLERS. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/8-81/007.
Description:
Operation, calibration and maintenance procedures for the Beckman Automatic dichotomous sampler are described. This sampler is one of several currently available that simultaneously collect coarse and fine airborne particles. The manual is intended for use by technicians and operators. It presents discussions of the nature of atmospheric particles and the basic operating principles as a means of providing operators with a more complete understanding of the instrument and its use. Factors to be considered in site selection are discussed, followed by instructions for installation and checkout once the most suitable site has been identified. Special attention is given to checking for leaks in the flow system, as field experience has shown this to be a potential problem. Other areas of concern, such as operating instructions, calibration techniques, maintenance schedules, quality assurance, and trouble shooting are also addressed. The manual should serve as an effective supplement to information given in the manufacturer's instruction manual.