Name: Mary G. Tyer
Title: Environmental Chemist/Quality Assurance Manager

Mary has extensive experience in working for and with environmental laboratories.  As a Quality Assurance Manager, she was responsible of reviewing data for method adherence, usability and defensibility and has carried that responsibility to her role with Hargis and Associates.  Her laboratory experience has made her a great resource for analytical method selection and requirements along with individual state’s requirements for laboratory accreditation and reporting.  She has worked closely with laboratories and regulatory agencies to resolve data issues.   Mary also has considerable experience working for private and public utilities and has in-depth knowledge of drinking, surface, and wastewater testing and reporting requirements.