CREATE TABLE table_name_62 (type VARCHAR(255), averaging_time VARCHAR(255), standard VARCHAR(255))
what is the type when the averaging time is 1-hour and the standard is 0.12 ppm (235 μg/m³)?
    
SQL: SELECT type FROM table_name_62 WHERE averaging_time = "1-hour" AND standard = "0.12 ppm (235 μg/m³)"