Author： Schifman Laura A. Kasaraneni Varun K. Sullivan Ryan K. Oyanedel-Craver Vinka Boving Thomas B.
Publisher： MDPI
E-ISSN： 2073-4441|8|3|76-76
ISSN： 2073-4441
Source： Water, Vol.8, Iss.3, 2016-03, pp. : 76-76
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Abstract
Non-point source pollution of stormwater contributes high contaminant loads into surface water bodies and poses a threat to the ecosystem, public health and economy. Although (pre)treatment standards have not been introduced at the federal level, Rhode Island (RI) has set minimal contaminant reduction standards for stormwater using structural best management practices (BMP). As BMP performance depends highly on geographical location and climate, and the Northeastern United States experiences broad ranges of temperatures throughout the year along with long intermittent periods between precipitation events, stormwater treatment can be challenging. In this field study, two tree filters were evaluated: a conventional unit (CTF) with sand/shale mix as filter media, and a modified tree filter (ITF) with an added layer of red cedar wood chips amended with 3-(trihydroxysilyl)propyldimethyloctadecyl ammonium chloride. Both BMPs were monitored for 346 days primarily for
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