Locations / Contact Us

The staff at EAA are nationally recognized experts in the analysis and interpretation of 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 - President - Laboratory Director

Mr. Joe R. Heintskill - Michigan Laboratory Manager

Mr. David J. Heintskill - Chief Financial Officer

Mr. John J. Heintskill - Director of Business Development


California Laboratory
Forensic & Research Lab
5290 Soledad Road
San Diego, CA 92109

Michigan Laboratory
Indoor Air Quality Lab
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