Recent research measures effects of exposure to secondhand smoke from single pub visit.

Secondhand smoke measurements of acetaldehyde, acetonitrile, acrylonitrile, benzene, 1,3-butadiene, 2-butanone, o-cresol, m,p-cresol, ethyl acrylate, ethylbenzene, formaldehyde, n-nitrosodimethylamine, phenol, styrene, toluene, o-xylene, and m,p-xylene.

Scientific paper on measurement of children's exposure to secondhand smoke.

57 page technical report analyzes the question, summarizes technical material, evaluates criteria and conclusions.

Factsheets and papers on: how cigarettes are tested for chemical content; total yearly chemical emissions from secondhand smoke; comparison of secondhand smoke and air pollution; estimates of amounts of 30 chemicals a restaurant worker would inhale in an 8 hour shift; description of tobacco smoke components; threshold limit values for chemicals found in tobacco smoke.

What gets breathed out as well as in.

Research measures secondhand smoke in "no smoking" areas, and finds that little protection is provided compared to the exposures in the smoking area.

Scientific paper on measurement of exposure to secondhand smoke.

Online course in scientific investigation uses actual experiment performed on effects of secondhand smoke.

Scientific report breaks down tobacco smoke constituents, their physical and chemical properties, and indoor air concentrations.

Research estimates the extent of exposure of the US population to secondhand smoke, and how that breaks down into home and workplace exposures.

CDC research finds that nearly 9 out of 10 Americans are exposed to secondhand smoke.

Annotated bibliography of scientific papers mostly on measurement of exposure to secondhand smoke.

CDC's page on secondhand smoke.

Collection of recent research studies on health effects of secondhand smoke.

Factsheet explains the pollution measurement and science of smoke concentration and buildup.