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Site Health and Safety Plan <br /> ENSAFE RS&H <br /> Stockton Metropolitan Airport, Stockton, California <br /> January 27, 2020 <br /> 7.1.5 Dust Control <br /> EnSafe will implement appropriate procedures to control the generation of airborne dusts during soil <br /> excavation activities. Dust control measures will be implemented under the direction and supervision <br /> of the SSHO. Such procedures will include but will not be limited to the following: <br /> • Spraying soil with water prior to daily work and during excavation <br /> • Covering any soil stockpiles or open excavation areas with plastic as needed. <br /> • Restricting or stopping soil excavation and/or loading activities in times of very high winds, <br /> and visible offsite migration of dust particulate. <br /> If engineering controls are ineffective, the SSHO will determine what personal protective equipment <br /> (PPE) will be required. Examples of PPE that may be required are: <br /> 1. Goggles <br /> 2. Respiratory Protection (Dust Mask) <br /> 3. Disposable outer wear (Tyvek suit) <br /> 4. Gloves <br /> Personnel must follow good hygiene practices including the rinsing of exposed skin areas. <br /> Chemical Hazards <br /> Health and safety protocols and personal protective equipment (PPE) have been selected to protect <br /> against chemical hazards presented by PFAS. The major chemical of concern is PFAS; at this time, <br /> there are no established exposure limits other than the U.S. EPA Health Advisory Level for Drinking <br /> Water which is 70 parts per trillion for PFOA and/or PFOS. Employees will be informed of the hand- <br /> to-mouth and dermal exposure pathways. Employees are required to wear protective gloves during <br /> sample handling procedures. Other chemicals (e.g., lubricants, jet fuel, diesel fuel, and gasoline) <br /> are used elsewhere at SCK but are not anticipated to be contacted in the vicinity of the sampling <br /> activities. <br /> To avoid any cross-contamination, proper PPE will be worn and all equipment will be decontaminated <br /> as discussed in Section 3.0. All IDW will be containerized and disposed of at a registered landfill. <br /> ' a Process Hazards <br /> Because the site is an operational commercial airport, hazards may include large equipment traffic, <br /> noise, unmapped underground utilities, and unforeseen emergency situations associated with airport <br /> operations. These hazards have been discussed in previous sections as appropriate. <br /> 22 <br />