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Site Health and Safety Plan 19133 East Liberty Road, Clements, California August 16, 2022 Page 27 Sharp Environmental Technologies, Inc. Personnel under the direction and control of SET will be provided with appropriate personal safety equipment and protective clothing as determined by the SHSS. In general, depending on the level of protection required by the SHSS for site operations, the following required PPE will be worn by all site personnel under the control and direction of the SHSS. 8.1 Level D Protection • Work shirt and long pants (short pants may be worn with the approval of the PM); • ANSI-approved steel-toed boots or safety shoes; • ANSI-approved safety glasses; and, • ANSI-approved hardhat. Modified level D may be required by the SHSS and can consist of some and/or all of the following equipment: • Outer nitrile gloves and inner nitrile surgical gloves when direct contact with chemically affected soils or groundwater is anticipated (e.g., nitrile surgical gloves may be used for collecting or classifying samples as long as they are removed and disposed of immediately after each sampling event); • Chemical-resistant clothing (e.g., Tyvek or polycoated Tyvek coveralls) when contact with chemically affected soils or groundwater is anticipated. Paper coveralls are permissible when working in a dry dust environment; • Safety shoes/boots with protective overboots or knee-high PVC polyblend boots when direct contact with chemically affected soils is anticipated; • Hearing protection; and/or, • Sturdy work gloves. 8.2 Level C Protection If air monitoring or other site conditions indicates that the site-specific action levels defined above are exceeded, all workers under the direction and control of SET who are impacted by the elevated air monitoring readings will upgrade their PPE to level C. In addition to the protective equipment specified for level D, level C includes the use of the following equipment: • NIOSH approved half-face air-purifying respirator (APR) or full-face APR equipped with a P100 filter in combination with organic vapor cartridge; the use of any respirators must also be in compliance with the requirements of a written respiratory protection plan pursuant to Title 8 CCR section 5144. • Chemical-resistant clothing (e.g., Tyvek, polycoated Tyvek, or Saranex coveralls) when contact with chemically affected soils or groundwater is anticipated. Paper coveralls are permissible when working in a dry dust environment. • Outer nitrile gloves and inner nitrile surgical gloves when direct contact with chemically affected soils or groundwater is anticipated (e.g., nitrile surgical gloves may be used for collecting or classifying samples as long as they are removed and disposed of immediately after each sampling event).