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6.4 Respiratory Protection This investigation will not require respiratory protection unless a hazard is detected. In which case, a trained Hazwoper crew would be deployed to commence identification and cleanup efforts. This Hazwoper is primarily concerned with preliminary investigation purposes with a certified Hazwoper team member to oversee the investigation process. 6.5 Hearing Conservation PPE for hearing protection will be utilized; however, expected decibel levels are not expected to exceed 85 dB. 6.6 PPE Maintenance & Storage New hearing protection devices will be issued new each day the site investigation duration. There will be no storage requirements. Excavations are expected to proceed for only one (1) day. Defective or damaged equipment is not used and is reported to Patrick Riggs. so that the equipment can be repaired or discarded. Spent and disposable PPE is discarded in the manner specified in Chapter 10, Decontamination. After decontamination, reusable PPE is properly stored in the event such equipment is needed, according to the manufacturers' recommendations and the site decontamination plan mentioned above and in HASP Chapter 12, Standard Operating Procedures. 6.7 Evaluation of PPE Program Assessment of PPE performance occurs throughout site activities in response to air monitoring data collected (Chapter 7, Exposure Monitoring) and the action levels identified in Table 6-2b. Surface samples are collected from the inside surfaces of used PPE to ensure that the equipment provides an adequate barrier throughout the work shift. Surface monitoring procedures are described in Chapter 7. Modifications to initially selected PPE are determined by Cassidy Bohannon and affected employees are informed immediately. Chapter 2 of the HASP, Job Hazard Analysis, is with updated information about job hazards and selected controls. Chapter 6 -4