About MASI

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

As an Ohio EPA Certified Laboratory, we offer a wide range of testing, that covers all your regulatory requirements. Chemical testing services include secondary contaminates, inorganic contaminates, synthetic organics, volatile organic, metals, and disinfection by-products. We also support all common analyses for National Pollutant Discharge Elimination System (NPDES) permits. We offer additional expertise, to help with testing, that may not be part of routine analytical testing. MASI has a combination of resources, technical expertise, and testing ability, to support large and small clients. We can test a variety of matrices, including but not limited to, drinking water, wastewater, hazardous waste, sludge, soil, etc. MASI employs a dedicated, highly trained, seasoned staff, that are certified by the State of Ohio, to perform all your testing needs.  We employ modern instrumentation, to achieve the lowest possible detection limits, and the most accurate results, in the shortest amount of time. 

Do not get caught out of compliance. Our Microbiology department can handle all your coliform testing needs whether it be qualitative or quantitative. We offer fast, accurate testing by either MUG, MPN, or MF. In case of emergencies, we are ready day or night, 365 days a year, to help you with your coliform testing.