A Diffusive Sampler Evaluation Protocol

Abstract

An integral part of any new development in sampling or analysis must be an evaluation of its performance both in laboratory and field trials. However, the evaluation protocol generally used for dynamic sampling (the NIOSH Standards Completion Program) does not apply to diffusive sampling, so that a new approach is required. The main features of the diffusive sampler protocol developed by the authors are: 1) Emphasis on the determination of the accuracy of the standard atmosphere used to calibrate the samplers; 2) Emphasis on field testing the samplers in a variety of occupational environments; 3) Omission of acceptance criteria based solely on accuracy.