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California Air Resources Board Laboratory Services Overview

The California Environmental Protection Agency's Air Resources Board offers essential laboratory services, including verifications and certifications for ozone and flow rate standards. Services encompass comparisons against standard reference photometers, high and low-volume flow standards, and transfer ozone standards. The board adheres to U.S. EPA recommended recertification dates for various gases and standards, with new services in temperature probe sensors, pressure standards, and a forthcoming relative humidity sensor. Automated gas analysis methods are also under evaluation. Questions can be directed to Robert Russell at (916) 322-0216 or rrussell@arb.ca.gov.

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California Air Resources Board Laboratory Services Overview

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  1. California Environmental Protection Agency Air Resources Board Standards LaboratoryServices April 12, 2011

  2. Services Provided • Verifications • Certifications

  3. Verifications • Ozone Primary Standards • One comparison against standard reference photometer (SRP) Primary Flow Rate Standards • Low-Volume Flows (.005 to 40 LPM)

  4. Certifications • Flow Rate Standards • High-Volume Flow (70 CFH = 2000 LPM) • Low -Volume Flow Standards ( .005 to 50 LPM) • Transfer Ozone Standards - Six comparisons against standard reference photometer (SRP) • Calibration and Audit Gas Standards - CO, CO2, NO, and SO2

  5. Certification Expiration Dates • U.S. EPA recommended recertification dates • Ozone standards…3 to 6 months • Flow rate transfer standards…3 to 12 months

  6. New Services • Certifications • Temperature Probe Sensors • Pressure Standards • Relative Humidity Sensor (coming soon)

  7. New Automated Gas Analysis System • Currently under going method evaluation

  8. Questions Robert Russell (916) 322-0216 rrussell@arb.ca.gov http://www.arb.ca.gov/aaqm/qa/stdslab/stdslab.htm

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