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5 Recommendations arising from the new PICO questions are shown in Table 1

Methyl Isocyanate (MIC, CHNCO) Methyl isocyanate is a colorless, highly toxic gas with a sharp, pungent odor, used in the production of pesticides and polyurethane foams

Although these devices are said to eradicate air pollutants and odours, the ozone must reach high levels to do this

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These bacteria produce something called VSCs (volatile sulphur compounds)