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Project Experience: Expressway Motors Air Quality Study, Massachusetts

The Challenge

HMMH prepared a Report of Findings (ROF) for firing waste oil at Expressway Motors’ Dorchester facility location. The ROF consisted of a beneficial use analysis including stack test results and an air quality dispersion modeling analysis. The purpose of the analysis was to demonstrate that burning waste oil as a substitute for distillate oil could be considered a beneficial use for Expressway Motors and would not have an adverse impact on the environment (i.e. will not endanger the public health, safety and welfare). Expressway Motors burns distillate fuel oil for heating and cooling needs at the dealership. The facility would like to use the waste oil collected at the site as an alternative to burning fuel oil, however, the proposed unit did not qualify under the Massachusetts Department of Environmental Protection (MADEP) regulations for firing waste oil. Therefore, Expressway Motors petitioned the Department for a regulation change to the current air quality regulations to allow the facility to burn waste oil as an alternative to distillate oil. 

The Solution

The ROF was prepared at the request of the MADEP. The report incorporated some of the critical criteria set forth in the MADEP Guidance for Beneficial Use Determination (310 CMR 190.060) under the MADEP Bureau of Waste Prevention along with a comparison to the MADEP 310 CMR 7.05 Standards for Used Oil Fuel and a comparison of emissions from other boilers of similar or slightly larger size.