Examination and Development of an Alternative Method for Measuring Oils and Greases in Surface Waters
Oil and grease is an important indicator of water health due to its significant impact on aquatic plants and animals. Currently, there is only one EPA approved method for analyzing oil and grease in sample water. This study compares an alternative method for analyzing oil and grease to the standard EPA method, and considers suitability of both methods for continued monitoring by the Analytical Laboratory of Dr. Furchak in addition to examining the health of the water. The project analyzes water samples from three sites within the Lillian Anderson Arboretum for oil and grease concentration. Two methods are used for this analysis; a gravimetric analysis using EPA Method 1664B, and a Fourier-Transform Infrared Spectrometer (FTIR) method that is not currently EPA approved for oil and grease analysis. A method utilizing the FTIR was developed, and although both methods showed significant concentrations of oil and grease in the sample water, this method generated significantly different results than the EPA approved method.
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