Rosengarten, Smith & Associates, Inc. (RSA) is an environmental consulting firm established in 1988 to meet the needs of our clients in specialized areas of environmental management. RSA provides an array of services that encompass environmental regulation compliance involving hazardous waste facility permitting and closures, soil and groundwater investigations, source and ambient air monitoring, air emission permitting, PST investigations, and environmental site assessments. RSA personnel have completed environmental management and consulting work in 38 states across the United States and in 4 other countries for Fortune 500 companies, lending institutions, and small businesses.