Urban lake sediment chemistry: Lake design, runoff, and watershed impact
Sediments of twenty-two urban lakes and stormwater discharge into five of the impoundments were analyzed for the presence of selected metallic priority pollutants, total petroleum hydrocarbons, and volatile and extractable organic compounds. The concentration (mg/kg dry weight) ranges of metals in lake sediments were: arsenic 7-29, cadmium < 0.5-0.5, chromium 14-55, lead <1-138, selenium <0.01-1.1, silver 0.2-2.1, copper 25-2760, nickel 5-40, and zinc 33.9-239. Concentrations of total petroleum hydrocarbons ranged from 30 to 4400 mg/kg (wet weight). Organic priority pollutants detected in the urban lake impoundments included tetrachlorethylene, 1,1,2-trichloroethane, trichlorofluoromethane, phthalate esters, chloroform, and dichlorobromomethane. Stormwater runoff contained measurable quantities of arsenic, chromium, lead, selenium, copper, nickel, zinc, and petroleum hydrocarbons; whereas organic priority pollutants were not detected. Stormwater runoff pollutant loads indicated that runoff provides a significant contribution of metals and petroleum hydrocarbons to lake sediments.
- Research Organization:
- Arizona State Univ., Tempe, AZ (USA)
- OSTI ID:
- 6997866
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
020900* -- Petroleum-- Environmental Aspects
54 ENVIRONMENTAL SCIENCES
540320 -- Environment
Aquatic-- Chemicals Monitoring & Transport-- (1990-)
AROMATICS
ARSENIC
CADMIUM
CHLORINATED ALIPHATIC HYDROCARBONS
CHLORINATED AROMATIC HYDROCARBONS
CHLOROFORM
CHROMIUM
CONTAMINATION
COPPER
ECOLOGICAL CONCENTRATION
ELEMENTS
ENERGY SOURCES
ENVIRONMENTAL TRANSPORT
ESTERS
FOSSIL FUELS
FUELS
HALOGENATED ALIPHATIC HYDROCARBONS
HALOGENATED AROMATIC HYDROCARBONS
HYDROCARBONS
LAKES
LEAD
MASS TRANSFER
METALS
NICKEL
ORGANIC CHLORINE COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
PETROLEUM
PHTHALIC ACID ESTERS
POLLUTION
RUNOFF
SEDIMENTS
SELENIUM
SEMIMETALS
SILVER
SURFACE WATERS
TRANSITION ELEMENTS
URBAN AREAS
WATER POLLUTION
WATERSHEDS
ZINC