Locations / Contact Us

The staff at EAA are nationally recognized experts in the analysis and interpretation of fire residue, mold, bioaerosols and indoor air quality contamination. We provide a full range of investigational, analysis, and expert witness services within one firm.

Mr. Daniel M. Baxter - Vice President of Research & Development

Mr. Joe R. Heintskill - President - Laboratory Director

Mr. David J. Heintskill - Chief Executive Officer

Mr. John J. Heintskill - Director of Business Development


Michigan Laboratory
306 5th Street, Suite 2A
Bay City, MI 48708

Service Area

The United States, Canada, and Mexico

Hours of Operation

Monday – Friday: 7:30 am – 4 pm, Saturday: On Call


(989) 895-4447 - Bay City Laboratory
(858) 272-7747 - San Diego Laboratory