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Hot Mix Asphalt Facilities Services
Multiple compliance test programs have been performed throughout the Mid-Atlantic and New England region for various hot mix asphalt (HMA) facilities outfitted with asphalt batch plants and drum mix plants. These test programs were performed for eight different manufacturers. Aside from the typical total particulate and opacity testing the following test programs are highlighted. Compliance formaldehyde testing (EPA Method 316) on both an asphalt batch plant and drum mix plant. The drum mix plant was also combining reclaimed asphalt pavement (RAP) to the mix.
Compliance testing on a batch plant wanting the capability of burning both specification oil and virgin No. 2 fuel oil. Air emissions testing were performed at the fabric filter exhaust on both fuels for multiple metals, HCl, and carbon monoxide.
A portable drum mix plant required polynuclear aromatic hydrocarbons (PAH), formaldehyde, NOx and CO compliance testing prior to the issuance of the permit to operate. CARB sampling and analysis methods (Methods 429 and 430, respectively) were employed for this test program.