Agmt17 AECOM Technical Services, Inc.

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• AECOM will work safely with field crews and subcontractors that have experience working in the Caltrans ROW and in accordance with the project's Caltrans encroachment permit. All personnel will have 40 -hours HAZWOPER training and required updates. Proper personal protective equipment will be worn by all staff during the fieldwork. • AECOM and sub will develop a traffic control plan to be used during the field work for review and approval by Caltrans, if needed. • Soil and groundwater sampling will be conducted with a direct push rig to minimize field time and waste generation. Sampling equipment will be decontaminated between each sampling event. • AECOM staff will use preprinted labels and chain -of -custody forms to minimize the potential for field errors. • The samples will be maintained under AECOM chain of custody until transferred to the lab courier. • AECOM will use a California -certified lab for the analyses. • Analytical data will be reviewed by trained AECOM staff for QA/QC and the data will be flagged in the data tables, if needed. • Waste soil from our borings and decom water from the equipment cleaning will be drummed and left at a Caltrans designated location until sampled, analyzed, characterized and profiled for off-site disposal to a designated licensed landfill. AECOM assumes that Caltrans will provide an EPA ID number and sign any hazardous waste manifests for off-site soil disposal of hazardous soils in a hazardous waste landfill, if the soils are characterized as hazardous. • Off -Site disposal of the investigation wastes and disposal loading oversight are included in our scope of work. AECOM will use a licensed hazardous waste transporter subcontractor and will oversee the pick-up of all the generated drums associated with the hazardous materials investigation. AECOM will develop a draft Right of Way Hazardous Materials Report for the parcels coming into the ROW. The draft report will be intemally peer reviewed by senior AECOM Site Investigation practitioners and their comments addressed. The draft report of our investigation findings for will be submitted for one round of review and approval by the CITY and Caltrans. The report will include the following sections: • Executive Summary • Introduction • Sampling • Analytical Results • Tabulated Data and Comparison to Regulatory and ADL variance criteria Page 27 of 73 REV: 07-19-17 PR ATTY/AGR.2017.166/AECOM 101/84 PS&E