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8.9.3 Monitoring the Effectiveness of Decontamination Procedures Visual examination is used to evaluate the effectiveness of decontamination procedures. Visual examination is used to ensure that procedures are implemented as described and that they appear to control the spread of contaminants under changing Site conditions. Visual examination is also used to inspect for signs of residual contamination or for contaminant permeation of PPE. Personnel who work in contaminated areas of the Site, either the CRZ or the EZ, are trained in the principles and practices of decontamination described in this section of the HASP and in related SOPs. If Site procedures are changed as a result of inspection and monitoring, all affected employees are notified of these changes. 8.10 Confined Space Entry No confined space entry will be performed. The following is a list of the safety requirements for confined space entry at the Site: • ROUX PERSONNEL ARE NOT AUTHORIZED TO ENTER ANY Cal/OSHA PERMIT OR NON- PERMIT REQUIRED CONFINED SPACE; • The scope of work may require personnel to enter any permitted or non-permitted confined space for this project; and • Any changes to the field activities that may necessitate confined space entry will be reported to the PP and OHSM before any confined space entry is made. Confined space is defined as any space, depression, or enclosure that: • Has limited opening for entry and egress; • Is large enough for and employee to enter and perform assigned work; and • Is not intended for continuous occupancy. A permit required confined space is one that meets the definition of a confined space and has one or more of the following characteristics: • May contain or produce life-threatening atmospheres due to oxygen deficiency the presence of toxic, flammable, or corrosive contaminants; • Contains a material that has the potential for engulfment; • Has an internal configuration that may cause an entrant to be trapped or asphyxiated by inwardly converging walls or by a floor that slopes downward and tapers to a smaller cross-section; and • Contains any other serious safety or health hazards. Although Roux personnel will not perform confined space entry, it is expected that subcontractors performing cleaning and mitigation, and/or remedial measures activities may be required to enter structures that are considered to be a permit or non-permit required confined space. Permitting of the confined space as well as hazard mitigation for entry will be required to be completed by the subcontractor in accordance with T8 CCR, Subchapter 4 Construction Safety Orders Article 37-Confined Spaces in Construction. 5175.0001S102/HSP Site-Specific Health and Safety Plan I ROUX 133