Quality Assurance Bulletins
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Quality Assurance Program
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The following Quality Assurance Bulletins provide guidance and clarification for specified quality assurance and quality control procedures for monitoring organizations within California Air Resources Board’s Primary Quality Assurance Organization:
| Bulletin Number | Document | Date |
|---|---|---|
| 001 | PM10 Lo-Vol Validation Criteria | November 2014 |
| 002 | Corrective Action Notification | November 2014 |
| 003 | AQS Minimum Value Reporting Limits | December 2015 |
| 004 | Temporary Closure of Monitors in AQS | December 2015 |
| 005 | Post-AQS Data Confirmation | April 2016 |
| 006 | Post-Processing of Ambient Air Quality Data | April 2016 |
| 007 | Flow Rate Verification | October 2016 |
| 008 | Ambient Air Monitoring Equipment Requirements for Communication with Laboratory Hardware and Software | August 2022 |
| 009 | Sample Volume Data Validation Criteria (Qtot) | November 2021 |
| 010 | Ambient Air Monitoring Equipment Certification Requirements for Ozone Photometer and PM2.5 Flow Measurement Devices | August 2022 |
| 011 | Gas QAPP and 2023 Ozone TAD Alignment | November 2025 |