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COMIM Project Health and Safety Plan E N 6 1 N E E R I M G Martin Metals Finishing Inc. (Former) Stockton, California • Utilities and Buried Objects: It is not anticipated that the CDIM will perform digging on this project. A private utility locator will survey each proposed boring location. The Driller will be advancing a 2-inch-diameter sampler via direct-push GeoProbe into Site soil and Mormon Slough soil. A utility map has been reviewed and provided to the project team, and no utilities are anticipated to be encountered during the project; however, work will take place in the vicinity of the storm drain line. • Vehicles and Traffic: Employees must follow all local traffic rules. Seatbelt use is mandatory. Employees may be exposed to car, truck, and equipment traffic while onsite. 5.3 Biological Hazards Personnel may be exposed to biological hazards during field activities. These hazards may include animal bites, insect bites and stings, contact with poisonous plants (cyanobacteria), exposures to pathogenic (microorganisms) and exposures to human waste including hypodermic needles. 5.4 COVID-19 Hazard Due to a global pandemic, there is potential that workers might be exposed to or might expose others to airborne infectious diseases (AID) such as Coronavirus Disease (COVID-19) caused by the SARS-COV-2 virus during the course of their work. COVID-19 is an AID that may cause death or serious harm to some individuals. In California,the COVID-19 outbreak has spread rapidly, and appropriate protective measures continue to evolve. Cal/OSHA Guidance document provides information on classifying worker exposure to COVID-19 with four risk levels: Very High, High, Medium, and Low. CDIM or subcontractor employees fall into the Low or Medium Risk categories. • Lower Exposure Risk jobs are those that do not require contact with people known to be, or suspected of being, infected with COVID-19, nor frequent close contact with the general public. Workers in this category have minimal occupational contact with the public and other co-workers. • Medium Exposure Risk jobs includes those that require frequent and/or close contact (within 6 feet of)people who may be infected with COVID-19, but who are not known or suspected COVID- 19 patients. In areas where there is ongoing community transmission, workers in this category may have contact with the general public. No high or very high risk jobs shall be performed by CDIM or subcontractor employees. In accordance with the SJCPHS Order for the Control of COVID-19 issued January 11,2022(San Joaquin County, 2022), a JSA is included in Appendix A that addresses Work Inside a 6-ft Distance Zone.Work practices will be regularly reevaluated to remain in compliance with future guidelines and orders. 5.5 Chemical Hazards Constituents of potential concern (COPCs) for the Site include cadmium, chromium, copper, lead, zinc and volatile organic compounds (VOCs) in soil and potentially in soil vapor due to historic plating waste disposal to the storm drain trench and Mormon Slough. Table 4 below presents the expected maximum concentrations of constituents previously analyzed in soil based on historic soil and sediment sampling in Mormon Slough (DTSC, 1998). CDIM—Fairgrounds Industrial Park Page 9