Abstract
Abstract In work areas containing multiple sources of the same air pollutant, it is useful for control purposes to be able to separate out the contribution from each individual source. In this study, the chemical mass balance (CMB) receptor model was used to allocate the contributions from multiple sources to area concentration measurements in three electroplating shops. Shop 1 was a room with a single copper electroplating line; shop 2 was a large bay containing a chromium conversion coating line, a continuous chromium electroplating line, and several manual electroplating operations; shop 3 contained a piston chrome plating line, a decorative chrome plating line, and manual and barrel zinc coating lines. Hourly area concentrations of the composition of particulate matter were collected at a number of locations in each workroom. Activities of individual sources within each room were observed and recorded over each 1-hour interval. The receptor modeling approach uses the elemental composition of one or mo...
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