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Ontario, California Testing Laboratory

Laboratory Ontario, CA (Inland Empire) - San Bernardino County (LAB 71)
Address 4335 E. Airport Drive, Unit 110, Ontario, CA, 91761
Phone (909) 295-6825, Fax: (909) 295-6826
Email InlandEmpireLab@latesting.com
Click here for map/directions (courtesy Google Maps)
Hours Monday-Friday, 8:30AM-5:30PM / Saturday and Sunday, On-Call
Department hours may vary - see below
Services Performed Department Hours
Asbestos Lab Services Mon - Fri 8:30AM-5:30PM, Sat and Sun On-Call
Microbiology Laboratory Mon - Fri 8:30AM-5:30PM, Sat and Sun On-Call

Qualifications Certificate # Expires
AIHA LAP, LLC EMLAP 283364 12/01/2025
AIHA EMPAT Participant - Fungi 283364
NVLAP - Bulk 600239-0 12/31/2024
CA - Bulk Asbestos 3053 11/30/2025
CO - PLM AL-25839 09/14/2025

Chain of Custody Forms
Asbestos Lab Services
Microbiology Laboratory
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