butadiene

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butadiene

A conjugated diene gas released during the production of synthetic rubber and adiponitrile, an intermediate in nylon production. Short-term exposure causes irritation of mucous membranes, blurred vision, fatigue, headache and dizziness. Long-term exposure to 1+ ppm is cardiotoxic, and increases the risk of leukaemia and other cancer.
References in periodicals archive ?
1999, Hydroxyl radical and ozone initiated photochemical reactions of 1,3-butadiene.
Although CIs were wider, ORs were also positive for symptom scores > 1 in relation to lag 1 concentrations of the same VOCs as well as 1,3-butadiene.
In addition, it should be noted that 1,3-butadiene emissions are totally attributed to gasoline vehicles, while PM2.
The following reaction variables were evaluated: DEAC/Nd ratio, reaction temperature, catalyst concentration, and 1,3-butadiene concentration.
The proposal will also reduce vehicle emissions of toxic air pollutants, such as benzene and 1,3-butadiene, by up to 40 percent.
In years past it would have been a serious lost opportunity not to have taken actions to control such carcinogens as formaldehyde or 1,3-butadiene during the years in which those compounds were classed by IARC as "probable" human carcinogens before they were upgraded to class 1.
1998) reports the identification and quantification of 1,3-butadiene in petrol and evaporative emissions from Australian light-duty passenger vehicles.
Researchers also found similar levels of toxic compounds such as benzene, 1,3-butadiene, ethyl benzene, toluene, xylene, and MTBE, all considered toxic by ARB and the U.
1,3-butadiene studies have shown the possibility that this can cause lymphomas and leukaemia, though ambient levels are not harmful.
Session 2--Exposure and Bio-Monitoring --Claude White, LyondellBasell, chair: "Emissions and ambient air monitoring trends of lower olefins across Texas over the past ten years," Jessica Myers, David Morgott Pennsport Consulting, LLC; and "Biomarkers of industrial and environmental exposure to 1,3-butadiene," Natalia Tretyakova, University of Minnesota.
5 [micro]m in aerodynamic diameter), nitrogen dioxide (no2), benzene, ethylbenzene, and 1,3-butadiene.