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Universal Health & Safety Plan For use on all high-risk,industrial and HAZWOPER projects Department of Toxic Substances Control 2. Site • • The nine sites are located in the following addresses: • 600 N MAIN ST, MANTECA • 48 W HARDING WAY, STOCKTON • 622 E CHARTER WAY, STOCKTON • 2780 FRUITRIDGE RD, SACRAMENTO • 845 S CALIFORNIA ST., STOCKTON • 38 W SONORA ST, STOCKTON • 2961 N BEECHWOOD DR, MERCED • 3900 WINTERS ST, SACRAMENTO • 536 5TH ST,GUSTINE 2.1 Site Background/History The 9 sites which are Dry Cleaning Facilities identified by DTSC as part of the works that will be conducted will be part of a preliminary investigation.A Phase I aims to obtain more information about potential contaminated areas that will later be investigated during Phase II. 2.2 Client and/or Third-Party Operations at Site There are no third-party operations taking place in the investigation area. 2.3 Scope of Work The scope of work includes tasks to investigate 9 sites and prepare a remedial action plan for implementation of the cleanup phase for the DTSC Cleanup in Vulnerable Communities Discovery and Enforcement program. The tasks that will be performed are listed below.AECOM will conduct a Phase I ESA and a Phase II for each site. AECOM will contract a private utility locator to assess and avoid any underground utilities present within 10 ft of the boring locations.AECOM will contract a California-licensed driller(i.e., Cascade Drilling)for the drilling and installation of semi- permanent soil vapor monitoring wells. Boring advancement will be conducted via hand auger(First 5 ft)and then continued with the direct-push technology(DPT)/Hollow-stem auger(HAS)rig until the field geologist determines an appropriate screen interval and terminal depth. An AECOM geologist will supervise the advancement of the soil borings. The continuous soil cores will be logged according to the American Society for Testing and Materials International (ASTM)Visual-Manual Procedure D2488 and the Unified Soil Classification System. Photoionization detector(PID)readings will be taken every 5 feet. Soil descriptions will include the following: moisture content, color, grain size(most abundant to least abundant), angularity, other pertinent textural or mineralogical properties, and visual and/or olfactory indications of impact. Soil descriptions will be used to assess Site-specific geologic and hydrogeologic properties.The well design will be up to California Monitoring Well Standards Bulletin 74-90(i.e.,the Bulletin). Groundwater grab samples will be collected where groundwater is encountered in the borings. Groundwater grab samples will be collected using a bailer through a temporary groundwater well screen or the drilling equipment. ©AECOM Restricted Universal Heath and Safety Plan Template(S4(DSC)AM-209-FM-C) 2 Revision 12 September 9,2021 PRINTED COPIES ARE UNCONTROLLED.CONTROLLED COPY IS AVAILABLE ON COMPANY INTRANET.