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6PPD-quinone derived from tire debris is toxic to two trout species, not just coho salmon

Green Car Congress

MARCH 4, 2022

6PPD is an antioxidant and antiozonant that helps prevent the degradation and cracking of rubber compounds caused by exposure to oxygen, ozone and temperature fluctuation. Conversely, another study indicated that zebrafish and Japanese medaka can withstand even very high amounts of 6PPD-quinone. g/L, respectively.

Ozone 370
Ozone Canada Pollution Grant 370
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Study finds paved surfaces in Houston worsen air quality

Green Car Congress

JUNE 8, 2011

While cautioning that more work is needed to better understand the impact of urban development on wind patterns, Chen says the research can eventually help forecasters improve projections of major pollution events. Policy makers might also consider new approaches to development as cities work to clean up unhealthy air.

Houston 247
Houston Pollution Wind 2000 247
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