• McCampbell Analytical, Inc.
  • Connected With Us
  • 1534 Willow Pass Road Pittsburg, CA 94565

Full-Service Environmental Laboratory with 35 Years of Proven Quality and Expertise

Accredited Testing. Fast Turnaround. Trusted Results

  • Certified & Accredited (NELAP ELAP DoD USDA AIHA-LAP)
  • Rapid Turnaround Times & Responsive Service
  • Experienced Support for Complex Projects

SPOTLIGHT: Memorial Day Holiday Closure

MAI will be closed on Monday, May 25th, 2026, in observance of the Memorial Day Holiday. Please check with us should you have questions about turnaround times &/or testing capabilities during these lab closures.

Laboratory Certifications & Accreditations

McCampbell Analytical, Inc. is a fully accredited environmental testing laboratory serving California consultants, municipalities, industrial clients, and homeowners since 1991.

Certifications

Type Of Certification(s) Cert No. Date of Expiry DW NPW/ Aqueous Haz Waste Solid/Soil Microbiology Bioassay Air/Filter Tissue
AIHA LAP,LLC ID 232255 5/1/2028 X
CA ELAP 1644 11/2/2027 X X X X X X
OR NELAP 4033 1/29/2027   X X X X
PJLA DOD-ELAP L22-757 1/08/2027 X X X X
USDA AHIS-soil permit P330-17-0041 11/15/2026 X
UCMR 5* CA00371 12/31/2025 X
*All sample collection and results must be completed and in SDWARS no later than June 30, 2026. The SDWARS data system will close on July 1, 2026 and no further data can be loaded or approved by labs.
Click on each hyperlink to view a specific certificate for matrices and analyte lists.
AIHA LAP, LLC CA ELAP Oregon NELAP Perry Johnson DOD ELAP USDA Soil Permit clickable map of our certifications