Air assessment for land treatment no-migration

Air pathway assessments for three landfarm sites were conducted for compliance with the no‐migration land disposal regulations. These assessments comprise of estimating the volatile and semi‐volatile emissions from sludge application using the CHEMDAT model and estimating particulate emissions during application and tilling using the Fugitive Particulate Matter Air Emissions Guidance. Ambient concentrations at the unit boundary were predicted using the ISC dispersion models. Ambient air monitoring during application and tilling was included as a check on the emission and dispersion models.