Experience, Reputation Reliability, Accuracy. Since 1987 we've offered unmatched service and value to our clients. The skilled professionals at MAS specialize in collaborating with our clients to design and execute custom analysis plans. Materials Analytical Services Premier Analytical & Consulting Laboratory FDA Registered and Inspected Nonclinical Research Facility Chemical Analysis Emissions Sampling & Analysis Microscopy Analysis Custom Projects Accreditations US Department of Justice DEA: Controlled Substance Registration Certificate Reg. Number: RM0429147 American Association for Laboratory Accreditation (A2LA): Chemical Testing Certificate Number: 2925.01 American Association for Laboratory Accreditation (A2LA): Product Certification Body, MAS Certified Green® Certificate Number: 2925.02 AIHA Laboratory Accreditations Programs, LLC: Industrial Hygiene and Environmental Lead Laboratory ID: 100655 Hours of Operation Monday - Friday 8 am - 4 pm Contact Us for Off-Hours Availability