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Direct Ozone Reduction Systems

Blum and Tingey found that ozone reduction in soybean root growth and nodulation was a function of foliar impact. They found no direct effect of ozone on the roots or soil systems surrounding the roots. [Pg.499]

Photochemical transformations of PAH, adsorbed on various substrates are well documented in the literature they may involve radical initiated auto-oxidation, singlet molecular oxygen or hydroxy 1/hydroperoxyl attack. In model systems, several PAH coated on filters or simulant particles have been shown to react fast with ozone or nitrogen dioxide in the dark and to result in the formation of direct mutagens. Any future policy aimed at the reduction of PAH emission levels should therefore also be assessed in terms of possible conversion of PAH into other hazardous products. [Pg.328]


See other pages where Direct Ozone Reduction Systems is mentioned: [Pg.182]    [Pg.182]    [Pg.574]    [Pg.182]    [Pg.218]    [Pg.43]    [Pg.368]    [Pg.282]    [Pg.36]    [Pg.62]    [Pg.2267]    [Pg.332]    [Pg.363]    [Pg.7182]    [Pg.76]    [Pg.105]    [Pg.171]   
See also in sourсe #XX -- [ Pg.182 , Pg.184 ]




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Direct reduction

Direct system

Ozone systems)

System reduction

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