Sentence examples for mtbe in from inspiring English sources

Thus, the present study, although showing increased total symptoms among SRSs when exposed to gasoline with 15% MTBE, did not support a dose-response relationship for MTBE exposure nor the symptom specificity associated with MTBE in epidemiologic studies.

Using the reported range in isotopic enrichment factors for MTBE of − 9.2‰ to − 15.6‰, and values of δ13C of MTBE in groundwater samples, MTBE first-order biodegradation rates in the "With ethanol lane" were 12.0 to 20.3 year− 1 (n = 18).

Though the utility concedes it hasn't detected any MTBE in its wells, it claims it must "forestall an ever-increasing water quality emergency" since "numerous MTBE spills have occurred in the vicinity".

A 1998 study by the Lawrence Livermore National Laboratory in California found traces of a gasoline additive, MTBE, in more than 10,000 sites statewide.

Refiners met this obligation by including some oxygenated compounds such as ethyl alcohol or methyl tertiary butyl ether (MTBE) in their blends.

Simply substituting ethanol for MTBE in congested cities where pollution is worst in the summer could raise fuel prices because the ethanol would be in short supply and would have to be hauled to the coasts from the Midwest.

Plant uptake experiments indicate 30% reduction in MTBE mass in water over a 1-week period by small poplar saplings, at both high (1600 ppb) and low (300 ppb) MTBE concentrations.

"That suggests that the most sensible national use of what will always be a limited supply might be as an oxygenate in place of MTBE or in mixtures of [10 20% ethanol blended with 80 90% gasoline]." Other reactions have been less positive.

The oil companies and Lyondell, the largest MTBE maker in the U.S., believed that in cases where large concentrations of MTBE were found, the water authorities should go after those who leaked it.

Mean MTBE concentrations in ambient air (a stationary point in the middle of the pump island) were 0.16 mg/m3 for station A and 0.07 mg/m3 for station B. The mean ambient concentrations of TAME, C6 AMEs, and benzene were 0.031 mg/m3, approximately 0.005 mg/m3, and approximately 0.01 mg/m3, respectively, at both stations.

The simulated effectiveness factor and the selectivity are in good agreement with experimental results for MTBE formation in a continuous stirred tank reactor.