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Wood smoke: measurement of the mutagenic activities of its gas- and particulate-phase photooxidation products

Technical Report ·
OSTI ID:7192823
Dilute mixtures of wood-combustion emissions (with and without additional NOx) were irradiated in a 22.7-m3 Teflon smog chamber. The effluent was tested for mutagenic activity by exposing Salmonella typhimurium, strains TA100 and TA98, to the filtered gas-phase components. The particulate matter was tested by using the plate incorporation procedure. Without added NOx, irradiated dilute wood smoke showed a measurable increase in mutagenic activity for gas-phase products only. Additional NOx was added in other irradiations to enhance the formation of gas- and particulate-phase products.
Research Organization:
Northrop Services, Inc./Environmental Sciences, Research Triangle Park, NC (USA)
OSTI ID:
7192823
Report Number(s):
PB-88-201157/XAB
Country of Publication:
United States
Language:
English