CSN Documentation
Current CSN documents are hosted here; see CSN Documentation Archive for past versions.
Data Validation Guide
CSN Data Validation & DART Webinar (with EPA, UC Davis, and Sonoma Technology):
- CSN Validation Training Webinar Video — 2021 [external link]
- CSN Validation Training Webinar Slides — 2021
Project Documentation
- Quality Assurance Project Plan
- Quality Management Plan
- NAAMC 2022 Light Absorption Measurement Slides
- NAAMC 2022 Data Validation and DART Background
Annual Report
Data Advisories
- Invalid EC Due to Unresolved Laser Correction
- Vanadium Calibration Bias
- Carbon Analyzer Signal Integration Threshold Modified
- XRF Protocol Change
- Intermittent Contamination of Cr & Ni
- Carbon Transition
- Analysis Lab Contract Transition
- Overestimated Al Due to Cl Interference
- XRF Instrument Transition
- Denuder Contamination
Standard Operating Procedures
Hybrid Integrating Plate/Sphere Method
X-Ray Fluorescence Analysis
- SOP #302: X-ray Fluorescence Analysis of Aerosol Deposits on PTFE Filters [v 1.6]
- TI #302A: LN2 Fills and Calibrations [v 1.4]
- [Content of TI #302B moved to SOP #904 and TI #904B]
- TI #302C: Sample Changes for 8-Position Trays [v 1.5]
- TI #302D: Quality Assurance/Quality Checks of XRF Performance [v 1.5]
Carbon Analysis
- SOP #402: TOR Carbon Analysis Using a Sunset Carbon Analyzer [v 1.4]
- [Content of TI #402A moved to SOP #904 and TI #904A]
- TI #402B: Carbon Analysis Daily Operation [v 1.3]
- TI #402C: Gas Cylinder Change [v 1.3]
- TI #402D: Troubleshooting [v 1.3]
- TI #402E: Instrument Startup and Shutdown [v 1.3]
- TI #402F: Main Oven Temperature Calibration [v 1.4]
- TI #402G: Punch Certification [v 1.2]
- TI #402H: Sucrose Generation [v 1.4]
- TI #402I: Flow Sensor Calibration [v 1.3]
- TI #402J: Quartz Pre-Fire Acceptance Testing [v 1.0]
Ion Chromatography by RTI:
- Determination of Anions and Cations Extracted from Nylon® Filters by Ion Chromatography
- Filter Extraction via SimPrep Autodilution System
Data Processing and Validation
- SOP #801: Processing and Validating Raw Data [v 1.7]
- TI #801A: CSN Data Ingest [v 1.8]
- TI #801B: CSN Data Processing [v 1.7]
- TI #801C: CSN Data Validation [v 1.8]
- TI #801D: Data Delivery [v 1.6]
- TI #801E: Data Delivery AQS [v 1.2]