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0 <br />25 September 2012 <br />AGE Project No. 12-2193 <br />Page 8 of 15 <br />shortened by , while the rest period remains the same If the OT exceeds 99.7 <br />degrees F at the beginning of the next work period, the work period shall be <br />shortened by another . The OT shall be measured again at the end of the next rest <br />period to make sure it has dropped below 99 degrees F. <br />Workers shall not be allowed to wear semi -permeable or impermeable clothing <br />when his/her OT exceeds 100.6 degrees F. <br />Body water loss shall be measured if Heat Stress has become a problem. <br />Employees shall be measured on a scale accurate to +/- 0.25 Ib. They shall be <br />measured in the morning and evening, preferably nude. Body water loss should not <br />exceed 1.5 percent of total body weight. <br />Suggested Frequency of Physiological Monitoring for Fit and Acclimatized Workers <br />Adjusted em eratures <br />ormal WorkEnsemble <br />Impermeable Ens—e-R5 e <br />90 deg For > <br />After each 45 min of work <br />After each 15 min of work <br />87.5 - 90 deg F <br />After each 60 min of work <br />After each 30 min of work <br />82.5 - 87.5 deg F <br />After each 90 min of work <br />After each 60 min of work <br />77.5 - 82.5 deg F <br />After each 120 min of work <br />After each 90 min of work <br />72.5 - 77.5 deg F <br />I After each 150 min of work <br />After each 120 min of work <br />"Adjusted Temperature = taF + (13 x %Sunshine) where (ta) is the ambient temperature measured with a <br />glass thermometer. %Sunshine is measured by estimation of total available sunshine (100% sunshine = 0% <br />cloud cover and 0% sunshine = 100% cloud cover). <br />Prevention of Sunburn <br />When working in the sun, regardless of temperature, exposed skin is vulnerable to <br />sunburn. Protect exposed skin with an appropriate sun screen. A sun screen with a sun <br />protection factor (SPF) of 15 or greater is recommended for a full day in the sun. <br />The harmful effects that chemical substances may have on the human body often <br />necessitate the use of protective clothing. Proper selection of personal protective <br />equipment (PPE) depends upon a number of factors. Protection against different types <br />of chemicals and differing concentrations of those substances can be quite varied. The <br />tasks to be performed and the probability of exposure to the substance must also be <br />considered when specifying protective clothing. <br />Once the specific hazard has been identified, appropriate clothing can be selected. The <br />Advanced GeoEnvironmental, Inc. <br />