ARCHIVED REPORTS_2019 SOIL MGMT PLAN (JULY-REVISED)

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Former Pilkington North America Site 11 Health and Safety Plan EKI B90047.00 4. POTENTIAL CHEMICAL HAZARDS Chemicals associated with historical land uses at the Site includes VOCs, petroleum hydrocarbons, metals, semi‐volatile organic compounds (“SVOCs”), dioxins and furans, and polychlorinated biphenyls (“PCBs”). Table 1 lists chemical compounds that potentially may be encountered in soil or groundwater at the Site and its vicinity during the sampling activities, their respective Exposure Symptoms, their OSHA Permissible Exposure Limits (“PELs”), and symptoms of potential exposure to the compounds. The PEL is the maximum permitted 8‐hour time‐ weighted average concentration of an airborne contaminant in a work environment. 4.1 Chemicals of Concern Note that the State of California has determined that several compounds listed in Table 1 are human carcinogens or reproductive toxicants. The following notice is presented to personnel who may have access to the Site as a result of the planned subsurface investigation activities and who are required to read and acknowledge this health and safety plan. WARNING: This area contains chemicals known to the State of California to cause cancer and/or reproductive harm. 4.2 Potential Exposure Routes The primary modes of possible exposure of Site personnel to hazardous chemicals during this project are through inhalation of vapors and particulates, through skin contact with contaminated soil and groundwater, and ingestion of contaminated soil (ingestion is usually minimized through personal hygiene practices). The primary symptoms of possible exposures to VOCs, petroleum hydrocarbons, metals, SVOCs, and PCBs are discussed below and included in Table 1. VOCs: Common symptoms of exposure to VOCs at elevated concentrations include irritation of the eyes, skin, nose and respiratory system, headache, nausea, dizziness, and fatigue. Certain VOCs may be carcinogenic (e.g., benzene) (source ‐ NIOSH Pocket Guide to Chemical Hazards, U.S. Department of Health and Human Services, dated September 2007). Petroleum Hydrocarbons: Common symptoms of exposure to petroleum hydrocarbons at elevated concentrations include irritation of eyes and the respiratory system, headaches, nausea, dizziness, and fatigue (source ‐ NIOSH Pocket Guide to Chemical Hazards, U.S. Department of Health and Human Services, dated September 2007). Metals: Common symptoms of exposure to metals at elevated concentrations include irritation of eyes and respiratory system, headaches, nausea, dizziness, and fatigue (source ‐ NIOSH Pocket Guide to Chemical Hazards, U.S. Department of Health and Human Services, dated September 2007).