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Highway Safety Road Flare Contamination in Storm Water Runoff Migrating To Lexington Reservoir
Barrientos, Henry
Santa Clara Valley Water District
Date Created and/or Issued
Contributing Institution
Santa Clara Valley Water District
California Revealed from Santa Clara Valley Water District
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Copyrighted. Rights are owned by Santa Clara Valley Water District. Copyright Holder has given Institution permission to provide access to the digitized work online. Transmission or reproduction of materials protected by copyright beyond that allowed by fair use requires the written permission of the Copyright Holder. In addition, the reproduction of some materials may be restricted by terms of gift or purchase agreements, donor restrictions, privacy and publicity rights, licensing and trademarks. Works not in the public domain cannot be commercially exploited without permission of the copyright owner. Responsibility for any use rests exclusively with the user.
Abstract: The potential impact of non-point source pollution from highway runoff containing highway safety road flare components, specifically perchlorate migrating to the Lexington Reservoir was the objective of this evaluation. Potassium perchlorate is used in the production of highway safety road flares, which are commonly used on Highway 17 as a means of providing safety awareness to commuters and redirecting traffic. The research reported herein was a study designed to evaluate the potential of perchlorate in flares to migrate with runoff flowing along and adjacent to Highway 17 and into engineered and natural channels which eventually flow into the reservoir. Laboratory tests conducted by the District in 2003 showed that in theory a single 20 minute flare could potentially contaminate up to 1.46 acre-feet of water to just above the State notification level of 6 micro-grams per liter (*mg/L).
Santa Clara Valley Water District Library
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