Petroleum hydrocarbon contamination along oil tanker routes in the Arabian Sea
Abstract
Concentration of petroleum hydrocarbons in seawater from the oil tanker route region between 0-25 N and 45-75 E were estimated using UV-absorbance and fluoroscence techniques. Concentrations in surface waters averaged 9.2 plus or minus 1.18 mu g l-1 and in waters from 10 and 20 m averaged 3.9 plus or minus 0.59 and 1.8 plus or minus 0.4 mu g l-1 respectively. No significant concentrations could be detected in deeper waters. There was considerable variability in the concentrations suggesting that the distribution of oil in seawater is quite patchy especially in surface waters
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