SOPs for Calibration
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Welcome to your resource for exploring approved Standard Operating Procedures (SOP) for Calibration for monitoring organizations within CARB’s Primary Quality Assurance Organization (PQAO).
SOPs for calibration provide detailed guidance for the proper operation, maintenance, and handling of instruments used to calibrate analyzers. These SOPs are designed to supplement, not replace, the manufacturer’s instrument manuals. By following these procedures, users help maintain compliance with regulatory standards, minimize errors, and support the integrity of data collected.
Approved quality management documents* within CARB's PQAO are shown based on their origin:
- A#: Addendum number assigned to an addendum developed by a monitoring organization and approved by CARB.
- CARB: Developed and approved by CARB.
- MO: Developed by a monitoring organization within CARB's PQAO and approved by CARB.
- --: Not applicable.
*For copies of quality management documents, or related addendums, please contact qa@arb.ca.gov.
**The date of the document reflects when the document was approved by CARB, or U.S. EPA, as applicable.
| Monitoring Organization | Document | Date** |
|---|---|---|
| CARB | For a list of all SOPs related to Ambient Air Monitoring, please visit the Standard Operating Procedures for Ambient Air Monitoring webpage. | -- |
| Antelope Valley AQMD | Applicable document not specified. | -- |
| Eastern Kern APCD | Applicable document not specified. | -- |
| Great Basin Unified APCD | Applicable document not specified. | -- |
| Imperial County APCD | Applicable document not specified. | -- |
| Lake County AQMD | Applicable document not specified. | -- |
| Mendocino County AQMD | Applicable document not specified. | -- |
| Mojave Desert AQMD | MO - Teledyne/Advanced Pollution Instrumentation Model T701 Zero Air Module (API T701), Version 1 | 3-21-2023 |
| Monterey Bay ARD | MO - TECO Model 111 Zero Air Supply | 3-26-2024 |
| North Coast Unified AQMD | MO - Thermo 146i, Version 1.0 | 4-12-2021 |
| Northern Sierra AQMD | MO - Teledyne API T701 Zero Air Generators | 12-10-2020 |
| Northern Sonoma County APCD | Applicable document not specified. | -- |
| Placer County APCD | MO - Teledyne Advanced Pollution Instrumentation (API) T701 Zero Air Generator, 1st Edition | 12-23-2022 |
| Sacramento Metropolitan AQMD | MO - Zero Air Generator Teledyne API Model T701H, Version 1.0 | 10-23-2025 |
| San Joaquin Valley APCD | Applicable document not specified. | -- |
| San Luis Obispo County APCD | MO - Teledyne API T703/T703u Calibrator, Revision 0 | 4-6-2020 |
| MO - Teledyne API T701 and Sabio 1001 Zero Air Generators, Revision 0 | 4-6-2020 | |
| MO - Teledyne API T700 Calibrator, Revision 0 | 4-7-2020 | |
| Santa Barbara County APCD | MO - Teledyne/Advanced Pollution Instruments (TAPI) Models 700E and T700 Dilution Calibration System, First Revision | 9-8-2017 |
| MO - Teledyne/Advanced Pollution Instruments (API) Model 701 Zero Air Generator, First Revision | 5-31-2019 | |
| MO - Teledyne/Advanced Pollution Instruments (TAPI) Model T703 Ozone Calibration System, First Revision | 9-8-2017 | |
| Shasta County AQMD | Applicable document not specified. | -- |
| Siskiyou County APCD | CARB –Teledyne Advance Pollution Instruments Model T703U Photometric Ozone Calibrator, First Edition | 4-5-2022 |
| Tehama County APCD | Applicable document not specified. | -- |
| Ventura County APCD | MO - Verification for Level 3 Ozone Transfer Standard, First Edition | 7-17-2017 |
| MO - Teledyne/Advanced Pollution Instruments (TAPI) Model 700 Dilution Calibration System, First Revision | 5-27-2020 | |
| MO - Teledyne/Advanced Pollution Instruments (TAPI) Model 701 Zero Air Generator, First Revision | 4-27-2020 | |
| Yolo-Solano AQMD | Applicable document not specified. | -- |
*For copies of quality management documents, or related addendums, please contact qa@arb.ca.gov.
**The date of the document reflects when the document was approved by CARB, or U.S. EPA, as applicable.