About Us

MASI (Mobile Analytical Services, Inc) is a full-service environmental laboratory specializing in Sampling and Analysis on drinking water, wastewater, storm water, solid and hazardous waste. In addition, MASI offers electronic EPA reporting, a state-wide* courier service, and quick consistent turn times. With two locations (in Columbus and Cincinnati) to serve you and more than 44 years of experience, let MASI tailor services to meet your needs.