Advanced life support response at Grayville Drive unit Heard on: LA County Fire - U-1 & U-2 Countywide Dispatch (scan) 00:06 00:00 Squad 28, respond with Quint 15 en route to an ALS. Transcript This transcript is auto-generated from live dispatch audio and may be incomplete or inaccurate. It is not an official report and may change. 00:00 Squad 28, respond with Quint 15 en route to an ALS. 00:03 (number withheld) Grayville Avenue, Unit (number withheld). 7/31/2026 03:48 AM Medical Emergency Grayville Dr, La Mirada, CA 90638 View on map