In support of the California’s ambient air monitoring program, the California Air Resources Board (CARB) operates and maintains a Standards Laboratory to provide authoritative standards for determining whether data meets the established data quality objectives. The Standards Laboratory provides the meteorological certification/verification services for the gases and equipment used to perform the required quality assurance activities (i.e., calibrations, checks, and audits). The gases evaluated are contained in compressed gas cylinders and are typically single pollutant or multi-blends (CO, SO2, and NO). The equipment evaluated includes ozone transfer standards, flow measuring devices (i.e., orifices, mass flow meters, and mass flow controllers) and meteorological sensors (i.e., wind speed, temperature, pressure, and relative humidity). The Standards Laboratory has developed a Quality Assurance Manual that details the policies and procedures that ensure consistent collection and validation of the data generated by the Standards Laboratory. Standard Operating Procedures (SOP) for conducting certifications/verifications are provided below.
Please see the Standards Laboratory Newsletter in the Resources section for updates and important announcements regarding certification stations and primary reference standards status. Additional forms may also be found in the Resources section for pre/post shipping.
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