(1888PressRelease) Environmental Source Samplers, Inc. has recently completed source testing of sewage sludge incineration (SSI) units at municipal facilities in VA, OH, and NY. The EPA finalized new source performance standards for SSI and in April 2012 issued a Denial of Reconsideration Petitions for the Final Rule. ESS is a leader in methodologies required for SSI MACT Standards compliance.