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HAZARDOUS MATERIALS INCIDENT REPORT CHP407E SEQUENCE OF EVENTS: On April 30, 2021, at approximately 1440 hours, a Ford F650 tow truck was parked along the right shoulder of 1-5 northbound, south of Eight Mile Road. The tow operator was standing on the back of tow truck adjusting his load. During this time, a Hino two axle bobtail glass truck was traveling northbound on I-5 approaching the Ford F650's location, while traveling in the #2 lane, at approximately 45 mph. The driver of the Hino bobtail failed to keep his attention focused on the road, allowing the Hino bobtail to drift off of the roadway and onto the right shoulder. The Hino bobtail collided with the back of the tow truck, ejecting the tow operator off of the back of the truck and onto the grassy right shoulder. The tow operator suffered minor injuries as a result. After the initial impact, both the tow truck and the Hino bobtail continued in a north-easterly direction across the right shoulder and down the embankment. The impact ruptured the saddle fuel tank of the tow truck, causing approximately 45 gallons of diesel fuel to leak out onto the dirt and grass embankment. Unit 62-505, Officer C. Sandford, ID 22356, was dispatched to the scene, as was American Medical Response (AMR) Medic 35 for patient transport. Unit 62-505 arrived on scene at 1457 hours, assuming Incident Command (IC) responsibilities. Stockton Fire responded, arriving at 1502 hours and Woodbridge Fire also responded, arriving on scene at 1456 hours. At 1530 hours upon evaluating the scene, Unit 62-505 discovered the ruptured fuel tank and subsequent diesel fuel spill onto the dirt shoulder. Unit 62-505 advised Stockton Communications Center (STCC) of the hazardous materials spill. Unit 62-S3, Sergeant B. Butler, ID 13238, copied the radio traffic and requested a Cal.-Trans. supervisor response to the scene. At 1615 hours, the #3 lane was closed for vehicle removal. Call-Trans. handled the traffic control for the scene. At 1627 hours, Unit 62-S3 arrived on scene and took over IC responsibilities. A SIG ALERT was issued to advise motorists of the lane closure and subsequent traffic delay. An OES number (21-2304) was requested from Environmental Health, as well as a response from the San Joaquin County Office of Emergency Services (OES). At 1643 hours, Unit 62-S3 also made notification to Unit 62-L1, Lieutenant B. Waughan, ID 17299, regarding the hazardous materials spill. College Oak towing responded for the recovery of the Ford F650, at the owner's request and Sam Berri Heavy Haul towing responded out for the recovery of the Hino bobtail, at the owner's request. At 1715 hours, J. Armandaraz, a Hazardous Material Specialist from Cal.-Trans. responded to the scene. He was made the Site Safety Officer by Unit 62-S3. J. Armandarez spoke with the company manager for the Ford F650, D. Clones, and provided him with a list of contractual environmental clean up companies that could handle the spill removal and excavation of the contaminated soil. D. Clones was able to contract out with US Ecology for the environmental clean up. The area to be excavated was marked by Cal.-Trans. and after the two involved vehicles had been removed by their perspective tow companies, the scene was determined safe by J. Armandarez at 1830 hours. At 1903 hours, the roadway was clear.