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APP/SSHP Soil Excavation at California National Guard Armory Lodi, California 10.0 SITE CONTROL MEASURES 10.1 GENERAL This section details the setup of the site into the various work zones. To minimize the possibility of exposing unprotected personnel and the translocation of contaminants, several measures will be taken. These measures include: • Setting up security or physical barriers to exclude unnecessary personnel from the general area; • Minimizing the number of personnel and equipment on site consistent with effective operations; • Establishing work zones within the site; • Establishing control points to regulate access to work zones and requiring daily log in/log out procedures for all personnel gaining access to these zones; • Conducting operations in a manner to reduce the exposure of personnel and equipment, and • Minimizing the airborne dispersion of contaminants. 10.2 WORK ZONE DEFINITIONS AND SITE SECURITY As long as the level of protection required is Level D or modified Level D, one work zone is sufficient. However, if conditions change and the level of protection is upgraded to Level C, an EZ, contamination reduction zone, and support zone will be established. In the event this is required —an amendment to this SSHP will be issued. A temporary orange construction fence will be placed around any active work areas when necessary to further prevent unauthorized outside persons from entering the work zone. Other means of site security may be used; in this case this SSHP will be adjusted as needed. 10.3 THE BUDDY SYSTEM It will be a standard operating procedure at this project site that the `buddy system' be utilized. 10.4 AIR MONITORING 10.4.1 Volatile Organic Compounds A multi-gas monitor will be used on site to collect readings during work activities to confirm the absence of VOCs. This will be area monitoring only—no personal monitoring will be required. The meter that will be utilized will be the MultiRAE Plus. This meter combines a PID (Photoionization Detector) with the standard four gases of a confined space monitor (Oz, LEL, and two toxic gas sensors) in one compact monitor with sampling pump. The MultiRAE Plus is quickly and easily changed from a sophisticated technician instrument to a simple text-only monitor. The same monitor can be used as a personal monitor, a hand-held sniffer, or as a continuous operational area monitor. OTIE 33