Particulate Monitoring Network

Network Operations, gravimetric analysis, elemental analysis and optical analysis of filters are currently carried out by the Air Quality Research Center at University of California, Davis.


SOP 126 Site Selection Version 2.6 (AQRC, Updated July 2022)

SOP 126 Appendix E Open Shelter Specifications

SOP 151 Installation of Samplers Version 2.7 (AQRC, Updated March 2024)

SOP 201 Sampler Maintenance by Site Operators Version 3.7 (AQRC, Updated March 2024)

SOP 226 Annual Site Maintenance Version 2.6 (AQRC, Updated June 2022)

TI 226 A-C Technical Information Versions 2.6 (AQRC, Updated March 2024)

TI 226 D-H Technical Information Versions 2.5 (AQRC, Updated July 2022)

SOP 251 Sample Handling Version 3.6 (AQRC, Updated February 2024)

TI 251A Reference Weights Version 3.1 (AQRC, Updated February 2024)

TI 251C Filter Inventory and Acceptance Version 3.1 (AQRC, Updated January 2024)

TI 251D Box Receiving Version 3.0 (AQRC, Updated July 2022)

TI 251E Entering Log Sheets and Simple Problem Diagnosis Version 3.0 (AQRC, Updated July 2022)

TI 251F Post Sampling Process Version 3.1 (AQRC, Updated January 2024)

TI 251G Post-Weigh Chamber Prep Version 3.1 (AQRC, Updated January 2024)

TI 251H Post-Sample Weigh In Version 3.1 (AQRC, Updated February 2024)

TI 251I Cartridge Preparation Station Version 3.0 (AQRC, Updated July 2022)

TI 251J Pre-Sample Weigh In Version 3.0 (AQRC, Updated July 2022)

TI 251K Quality Check Station Version 3.0 (AQRC, Updated July 2022)

TI 251L Box Shipping Version 3.0 (AQRC, Updated July 2022)

TI 251M B/C Filter Shipping Version 3.2 (AQRC, Updated August 2024)

TI 251N 1A Tray Checking Version 3.1 (AQRC, Updated February 2024)

TI 251O Cleaning Loose Screens Version 3.0 (AQRC, Updated July 2022)

TI 251P Labeling and Organizing D-Slides Version 3.0 (AQRC, Updated July 2022)

TI 251Q Cleaning Petri Dishes Version 3.0 (AQRC, Updated July 2022)

TI 251R General Laboratory Procedures Version 3.0 (AQRC, Updated July 2022)

TI 251S Box Cycles and Cartridge Orientation Version 3.0 (AQRC, Updated July 2022)

TI 251T Data and Records Management Version 3.0 (AQRC, Updated July 2022)

TI 251U Mass Data Validation of Reweigh Request Version 3.0 (AQRC, Updated July 2022)

TI 251V Replacement Filters and Swaps Version 3.0 (AQRC, Updated July 2022)

SOP 276 Optical Absorption Analysis Version 5.6 (AQRC, Updated April 2023)

TI 276 A-C Technical Information Version 5.6 (AQRC, Updated April 2023)

SOP 301 X-Ray Fluorescence Analysis Version 2.5 (AQRC, Updated September 2022)

TI 301 A-C Technical Information Version 2.5 (AQRC, Updated September 2022)

SOP 351 Data Processing and Validation Version 6.0 (AQRC, October 2022)

TI 351A Data Ingest Version 1.2 (AQRC, Update December 2024)

TI 351B Data Processing Version 1.4 (AQRC, January 2025)

TI 351C Data Validation Version 1.1 (AQRC, Update November 2022)

TI 351D Data Delivery Version 1.0 (AQRC, Update October 2022)

TI 351E Flow Validation Version 1.2 (AQRC, Update January 2025)

TI 351F Data Preparation and Reporting Version 1.3 (AQRC, Update January 2025)


Archived Standard Operating Procedures