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Health&Safety Plan �.. Page 5 of 17 heat exhaustion symptoms are observed, the person will be required to rest in a shaded area and consume liquids. If symptoms are widespread and observed frequently, an appropriate work/rest regimen will be instituted This may involve limiting the work period so that after one minute of rest, a person's heart rate(HR) does not exceed 110 beats per minute. If the HR is higher thanl 10 beats per minute,the next work period should be shortened by 33 percent,while the length of the rest period stays the same. If the HR is 110 beats per minute at the beginning of the next rest period,the following work cycle should be shortened by 33 percent. Resting HR should be determined prior to start of on site activities. A healthy individual's resting HR is usually 60 to70 beats per minute. If symptoms of heat stress are observed,the victim will be transported to the nearest hospital immediately. Workers should not hesitate to seek medical attention if heat stress is suspected. 3.7 Confuted Space Hazards When work is to be done in an area where the natural circulation of fresh air or the ability to readily escape the site is restricted,that site shall be considered a confined space,and the following guidelines shall be followed: * Personnel shall monitor the levels of oxygen, combustible gasses, and organic vapors prior to entering. Under no circumstances shall the space be metered if the following levels are exceeded: 1. Oxygen content is less than 19.5% 2. Combustible gas level is greater than 3%of the LEL. 3. Total hydrocarbons are greater than the action levels defined in Table 3 of this section, if all air contaminants have not been identified. * Personnel shall monitor the levels of oxygen, combustible gasses, and organic vapors continuously while inside the confined space. If the values stated in the above are exceeded, the space shall be evacuated immediately. * At least one additional person,who shall be present for the express purpose of monitoring the personnel in the space,shall be within sight and call of those personnel within the space,while remaining outside of the space proper. This person shall have,readily available to him; all rescue equipment necessary to remove personnel who may require extraction from the space and the site. This equipment shall include,but not be limited to, respiration equipment of the same level as those used by the personnel in the space, first aid equipment,including compresses,harness,and all the extraction equipment. * Portable fans or blowers shall be used to introduce fresh air into the confined space.These fans or blowers shall be located on the upwind side of the space. The space shall not be entered until values of oxygen, organic vapors, and combustible gasses are brought below and measured below their respective action levels. * No personnel shall enter any unshored or unsupported excavation with a depth greater than 5 feet,or with unstable geological conditions. 4.0 TRAINING 4.1 Site Workers All personnel who will perform on site tasks shall be trained by U.S. Department of Labor, Occupational Safety and Health Administration (OHSA) standard, 29 CFR 1910.120, Hazardous Waste Operations and Emergency Response. Training will include: * A minimum of 40 hours initial instruction off site is required for those personnel conducting invasive fieldwork at the site. Proof of training shall be required to be present at the site. * A minimum of 3 days of actual field experience under the direct supervision of a trained, experienced supervisor. * Regulatory officials at the site shall be required to have completed at least 24 hours of initial instructions, and shall present training certification as requested. * A minimum of 8 hours of refresher training annually. * First Aid and CPR training. * Additional training,which addresses any unique or special hazards. All personnel entering the site shall be requested to present proof of current training.Failure to present such certification