ARCHIVED REPORTS XR0012596 - Laserfiche WebLink

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RM F .r hydrocarbons. The benzene content is typically less than 100 ppn in the source product. Excessive inhalation exposure may cause respiratoryirritation, headache, dizziness, nausea, vomiting, a cOf oordination. Prolonged skin contact may lead to irritation of hair follicles and blockage of the sebaceous glands, but good personal hygiene will prevent this. There is no Cal/OSHA permissible exposure limit for diesel fuel. C, Radiation Hazards (.including mixed waste) : None known or suspected. D. ghysical Hazards: Gasoline vapors are heavier than air. The flashpoint of gas is 5o IF (flammability) . Explosive conditions may exist i5f�3Soline concentrations percent or 13,000 ppm u�.ldup (LEL for gasoline Diesel fuel has a flashpoint of 100 OF Physical trauma associated with heavy equipmentauire possible. Noise from the drill rig rotection is hearing protection. The use of hearing p required if noise levels exceed 85 d3A for extended periods of time. If vehicular traffic is ongoing in aid workers will vicinity of the site, barricades will be set up i wear brightly colored vests. E. Hazards Posed by Site ct v'ties: During the drilling of the soil borings and monitoring well, care must be taken to avoid underground gas and power lines and above-ground power lines and support structures. Drilling equipment will be kept at least 15 feet away from all overhead power lines. F. Heat and Cold Stress azards: The field work is scheduled fo'r .lune, when temperatures may approach 100°F. , Because the incidence of heat stress depends on a variety of factors, all workers, even those not wearing protective equipment, should be monitored.itandFor workers wearing permeable clothing (e.g. , _.-..GH2M HILL cotton...or.._.synthetic._work clothes) , measure Heart Rate. Count the radial pulse during a 30- second period as early as possible during a rest SF031605\WP\005.51 A-4