Now showing items 1-10 of 26
Toxicity analysis of coal mining industry NPDES discharges in Southwest Virginia
(Virginia Tech, 1991-12-02)
Industrial toxicity has become a major environmental subject over the past decade. Although much research and data have been collected and published for the manufacturing type industries, minimal data is currently available ...
The Fairfax County Water Authority response to the Colonial oil spill of March 28, 1993
(Virginia Tech, 1994-04-18)
The Fairfax County Water Authority (FCW A) is one of the largest water purveyors in Virginia, producing an average of 111 million gallons of water per day for approximately 960,000 people. Located in Northern Virginia, FCW ...
The effects of seasonal change, impoundment, and stratification on trihalomethane precursors
(Virginia Tech, 1990-04-05)
<p>The major objectives of this study were to investigate the effects of seasonal changes in Lake Manassas and its watershed (late winter to late summer), the impoundment of Broad Run, and the stratification of Lake Manassas ...
Comparison of ion chromatography and flow injection analysis methods for monitoring chlorite and chlorate ions in drinking water
(Virginia Tech, 1991-12-05)
<p>Up-coming regulations on chlorine dioxide in drinking water treatment require low level measurement of chlorite ion (CI0<sub>2</sub>-) and chlorate ion (CI0<sub>3</sub>-). This research investigated analysis of ...
Granular activated carbon pretreatment for the removal of trihalomethane precursors
(Virginia Tech, 1980-05-04)
Greenhouse and laboratory study for the land application of water treatment residual
(Virginia Tech, 1991-06-05)
The disposal of water treatment residual has received little attention due to a lack of regulation, funding, and concern about their environmental impacts. Many treatment plants discharge alum residual directly into nearby ...
Environmental dynamics of Benomyl and Thiabendazole
(Virginia Tech, 1986-03-01)
The comprehensive environmental dynamics of the heterocyclic Benzimidazole fungicides, Benomyl and Thiabendazole was investigated. This included examining their fate and distribution in the terrestrial and aquatic phases ...
Treatment of algae-induced tastes and odors by chlorine, chlorine dioxide and permanganate
(Virginia Tech, 1992-06-01)
Chlorine (C12(sqÂ»' chlorine dioxide (Cl02 ) and potassium permanganate (KMn04) were evaluated as oxidants for the removal of grassy and cucumber odors associated with the pure compounds, cis-3-hexenol and trans-2, ...