Recommending an improved method for monitoring and estimating fugitive emissions

This paper presents a description of an improved method for monitoring and estimating fugitive emissions, the main features of which are (1) the adoption of a multi-curve layout of monitoring points and (2) the application of a Pasquill-Gifford (PG) model modified with a term of correction, exp (Bx), obtained through curvilinear regression of the data collected. Compared to other known methods dealing with fugitive emissions, this method is characterized by its greater proficiency in correcting the deviations in the estimation resulting from the roughness of the ground surface of a site being investigated and from other physical, chemical, and atmospheric factors. The estimated values arrived at are of greater accuracy and reliability. The author suggests that this method can be widely applied in the selection of sites and the determination of protective (buffer) zones for factories giving off fugitive emission.