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i Hazardous Materials Incident Report September 6, 1995 Page 3 SEQUENCE OF EVENTS: A Boyett Petroleum, 3 axle tank truck, pulling a two axle tank trailer, loaded with 8,810 i gallons of gasoline was eastbound on Mariposa Road, east of Murphy Road. The tank truck driver drifted off onto the dirt/gravel shoulder of the road, overcorrected to the left, crossed the center line and collided with a westbound Toyota pick-up. The impact caused the pick-up to be knocked onto the north shoulder and the tank truck's cargo tank was knocked off its frame and the tank came to rest across Mariposa Road. The tank trailer rolled onto it's right side and came to rest on the west shoulder of the road. The Toyota driver was killed on impact and was declared deceased at the scene by the San Joaquin County Coroner's deputy. The tank truck driver received moderate injuries and,was.,transoorted to the San Joaquin County Hospital for treatment. A salvage pump truck was called to the scene and 500 gallons of gasoline was recovered, the remaining 8,290 gallons spilled onto the roadway and into the drainage ditch on the west side of the road. Due to the extensive fire danger the roadway was closed from 0600 hours on 9-6-95 until clean-up was completed on 9-8-95 at 2100 hours. San Joaquin County Public Works Department established detour routes. The area was declared safe by the San Joaquin County Public Health Department at 1300 hours, on 9-6-95. Due to the remote location of the collision scene, the safety of the public was ensured by closing the roadway. An encroachment permit was issued to the Ramos Environmental Engineering firm and they performed clean-up services. On 9-8-95 at 2100 hours the San Joaquin County Health Department determined the hazardous materials had been removed and re-opened the roadway to the public. ACTIONS TAKEN: 1. Incident Command System (ICS): k A command post was set up on the west end of the accident scene on Mariposa Road. A unified command structure was put in place. The unified command consisted of A. Incident Commander: Sergeant Don Perry. i 1. Media Coordinator: Officer Bob Whitmire. 2. Safety Officer: Captain Dave Luna, Farmington Fire Department. B. Medical Officer: Paramedic, Charles Schantz, Escalon Ambulance Service. C. Operations Officer: Chief Don Briggs, Farmington Fire Department. 1. Staging Manager: Officer Rick Okasaki 2. Traffic Coordinator: Peter Lepisto, S.J. Department of Public Works. 3. Fire Suppression: Chief Ed Martel, Montezuma Fire Department. i 4. Accident Investigation: Officers Rick Okasaki, Kevin Enox and Ron Liles. 5. San Joaquin County Coroner: Deputy Al Ortiz.