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Hydrofluoric Acid in the Southern California Atmosphere

Hance, Christopher D. and Solomon, Paul A. and Salmon, Lynn G. and Fall, Theresa and Cass, Glen R. (1997) Hydrofluoric Acid in the Southern California Atmosphere. Environmental Science and Technology, 31 (4). pp. 956-959. ISSN 0013-936X. https://resolver.caltech.edu/CaltechAUTHORS:20160614-135824459

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Abstract

Atmospheric hydrofluoric acid concentrations were measured at nine sites in Southern California during an 8-month period. Long-term average HF concentrations measured by the tandem filter method ranged from 0.13 μg m^(-3) (0.15 ppb) at San Nicolas Island to 0.22 μg m^(-3) (0.25 ppb) onshore at Rubidoux, CA. The ambient concentration of HF shows little change throughout the year, with the notable exception of an occasional spike which approaches or exceeds 1 μg m^(-3) (1.12 ppb) over a 24-h averaging time. Due to the wide-ranging uses of HF in industry, and lacking natural sources to account for such spikes, it is possible that these spikes are due to accidental emissions from industrial sources, although no direct evidence of accidents on the dates involved was found.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1021/es950930wDOIArticle
http://pubs.acs.org/doi/abs/10.1021/es950930wPublisherArticle
Additional Information:© 1997 American Chemical Society. Received for review December 13, 1995. Revised manuscript received November 5, 1996. Accepted November 8, 1996. Publication Date (Web): March 27, 1997. The data acquisition phase of this research was supported by the California Air Resources Board under agreement A4-144-32, and by gifts to Caltech's Environmental Quality Laboratory.
Funders:
Funding AgencyGrant Number
California Air Resources BoardA4-144-32
Environmental Quality LaboratoryUNSPECIFIED
Issue or Number:4
Record Number:CaltechAUTHORS:20160614-135824459
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20160614-135824459
Official Citation:Hydrofluoric Acid in the Southern California Atmosphere Christopher D. Hance, Paul A. Solomon, Lynn G. Salmon, Theresa Fall, and Glen R. Cass Environmental Science & Technology 1997 31 (4), 956-959 DOI: 10.1021/es950930w
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:67917
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:15 Jun 2016 15:17
Last Modified:03 Oct 2019 10:09

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