• McCampbell Analytical, Inc.
  • Connected With Us
  • 1534 Willow Pass Road Pittsburg, CA
  • Microplastics Testing
  • Respirable Silica Testing
  • Click here for PFAS Testing
  • Click here for UCMR 5  testing
  • Click here for residential drinking water testing
  • Click here for Lead Testing in Child Care Centers

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MAI Holiday Schedule

McCampbell Analytical will be closed for the following Holidays:

2024

  • November 28th & 29th - Thanksgiving
  • December 25th - Christmas

2025

  • January 1 - New Years
  • January 20 - MLK, Jr. Day
  • February 20 - Presidents Day
  • May 26 - Memorial Day
  • July 4 - Independence Day
  • September 1 - Labor Day
  • November 27th & 28th - Thanksgiving
  • December 25 - Christmas Day