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�r v 12 . 0 FIELD SAFETY REQUIREMENTS The field safety requirements and procedures applicable to this project include site control and decontamination, sanitation, safety meetings, accident reporting and investigations, safety inspections , housekeeping, and related items. 12, 1 SITE CONTROL Site control Procedures for this project shall include the establishment of work zones at each work location, providing site Security to warn of unauthorized access and to secure work locations between shifts. At each work location, work zones shall be established by the Safety and Health Officer (SHO) . Because the project involves work at multiple sites , appropriate work zones, including an exclusion zone, decontamination sataticn, and support zone shall be established based on specific conditions for each work location. An exclusion zone will be established around the immediate work area. and shall be clearly marked by a combination of traffic cones, barricades , and/or high visibilty barrier tape. The exclusion zone shall mark the area where direct handling operations are occuring and Where field personnel may be exposed to chemical and physical hazards . Entry into the exclusion zone shall be regulated by the SHO and the Field Supervisor. No person shall enter an exclusion zone if they are not wearing the required protective clothing and equipment ( i. e. , either Level P or Level C) . All personnel exiting an exdlusion zone MUST pass through the decontamination zone, following the required decontamination procedure. The size and shape of the exclusion zone shall be based on known and anticipated hazards, type of operation being performed, physical and topographical features, potential for Eite emergencies affecting the surrounding areas. etc. Prior to the beginning of each day ' s operations, the SHO shall observe the site conditions and determine the location and the boundries of the e:cclusion zone. This work zone shall be reasonable large enough to accommodate equipment operations ( i . e. . 25 to 50 feet in all directions, etc . ) , and shall incorporate all surrounding areas having airborne total hydrocarbon concentrations above background levels (see 10. 2 . 2) . The SHO shall re-evaluate the location and boundries of the exclusion zone as frequently as necessary, per day, in order to ensure that the exclusion zone incoporates all areas as described immediately below. Similarly, the SHO shall also establish a support zone at each work location, The support zone shall remain clean and uncontaminated. No special requirements, other than the use of hearing protective devises and high visibility traffic safety vests in active traffic areas . Shall be required to be in the support zone. At the commencement of operations, and periodically through the day ( i- e- , two to three times each monring and afternoon) the boundary between the exclusion zone and the support zone shall be monitored using the OVM. The support zone shall be positioned upwind and