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Development of a Solar Powered Aerosol Reference Calibrator

Award Information
Agency: Department of Commerce
Branch: National Oceanic and Atmospheric Administration
Contract: 1305M218CNRMW0048
Agency Tracking Number: 18-1-067
Amount: $119,999.99
Phase: Phase I
Program: SBIR
Solicitation Topic Code: 8.1.3
Solicitation Number: NOAA-2018-1
Timeline
Solicitation Year: 2018
Award Year: 2018
Award Start Date (Proposal Award Date): 2018-07-17
Award End Date (Contract End Date): 2019-01-16
Small Business Information
430 N College Ave Suite 420
Fort Collins, CO 80524-2674
United States
DUNS: 078845198
HUBZone Owned: Y
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Josephine Hofstetter
 Research Director
 (303) 810-3390
 jhofstetter@accsensors.com
Business Contact
 Mark Schleiger
Title: COO
Phone: (970) 412-2087
Email: mschleiger@accsensors.com
Research Institution
N/A
Abstract

TECHNICAL ABSTRACT:
This project will develop and demonstrate an inexpensive and portable calibration system for low-cost aerosol sensors. Current calibration methods are cost prohibitive and impractical for widespread field deployment. Access Sensor Technologies (AST) proposes to produce a solar powered aerosol reference calibrator (SPARC) that builds upon a established (patent pending) technology developed at Colorado State University and licensed to AST; the ultrasonic personal aerosol sampler (UPAS). Phase I of this project includes prototype construction, field demonstration in a low-cost sensor network, and subsequent data analyses to evaluate the utility of the SPARC sampler as an in-field calibration tool. There are no commercial technologies that currently meet SPARC’s specifications- especially not integrating sizeselective inlets, an easily-exchangeable filter cartridge, a pump, and accompanying sensors into one miniaturized, solar-powered housing. Successful completion of this project will yield a novel air sampling technology that will help improve the reliability and data quality obtained from lowcost air monitoring networks; these networks are valuable for regulatory monitoring networks, fence-line emissions monitoring (e.g., wildland fire, industrial operations, energy production),
academic and community-based research on air quality, climate and health, military, and citizen science.SUMMARY OF ANTICIPATED RESULTS:
In Phase I we propose to advance and test a novel, lightweight, outdoor air sampling system (named the SPARC sampler) for use as a solution for lower cost, field-based calibration. Data generated during Phase I will be used to validate the performance of the SPARC technology and to evaluate the efficacy of several sensor calibration techniques. To accomplish this work we will product 25 field-ready prototypes, deploy a network of SPARC devices co-located with commercially-available standard reference monitors and low-cost PM sensors, and evaluate the utility of the SPARC sampler as a node-calibration system for a low-cost sensor network and against existing calibration approaches.

* Information listed above is at the time of submission. *

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