ABC15 Arizona | PCSO investigating after butane hash oil lab fire in San Tan Valley ABC15 Arizona SAN TAN VALLEY, AZ - The sheriff's office in Pinal County is investigating after they believe a butane hash oil lab sparked a fire and injured one man in San Tan Valley. According to officials, shortly before 10 p.m. on Friday, crews were called out to ... PCSO: Queen Creek man severely burned in butane hash oil explosi - azfamily.com 3TV | Phoenix Breaking News, Weather ... |