Angstrom Testing Services LLC is a New York–based environmental inspection and industrial hygiene firm that specializes in indoor air quality testing for homeowners, property managers, and businesses. Its services include mold inspections and mycotoxin testing, asbestos and lead testing (including XRF lead-paint and lead-dust analysis), crystalline silica monitoring, VOCs and chemical vapors (such as formaldehyde), bacteria and Legionella testing, and clearance testing for post-remediation and COVID-19. The company emphasizes fast turnaround with next-day sampling and rapid reporting, serving NYC, Long Island, Westchester, southern Connecticut, and eastern New Jersey with a team of certified professionals.
AI named Angstrom Testing Services (Angstrom Mold) in December 2025.