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(Rich Kane | The Salt Lake Tribune) One of the state's air quality monitoring sites, this one located near Rose Park. Ice ... (Rich Kane | The Salt Lake Tribune) Bo Call, head of air quality monitoring for the Utah Division of Air Quality, points to f... (Rich Kane | The Salt Lake Tribune) Bo Call, head of air quality monitoring for the Utah Division of Air Quality, holds up a ... (Rich Kane | The Salt Lake Tribune) Bo Call, head of air quality monitoring for the Utah Division of Air Quality, compares a ...