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A secondary, and unlikely, potential hazard is exposure to hydrochloric acid fumes. This <br /> should not occur unless pools of acid are encountered,which may react vigorously with <br /> the caustic solution and release hydrochloric acid fumes. Should this occur,personnel <br /> shall move upwind of the source until the evolution of vapor ceases. <br /> 4.0 PROTECTIVE EQUIPMENT <br /> Personnel engaged in either spraying caustic (sodium hydroxide) solution or taking <br /> samples for testing pH,must wear the following: <br /> 4.1 Gloves—chemical resistant. <br /> 4.2 Goggles or face shield. <br /> 4.3 Splash protective suit—chemical resistant. <br /> 4.4 Rubber boots or boot covers. <br /> 5.0 DECONTAMINATION <br /> Suitable decontamination procedures shall be followed when leaving the contaminated <br /> area, or when removing protective equipment. <br /> 6.0 FIRST AID <br /> Should contact with caustic or hydrochloric acid occur to either the eyes or skin,wash the <br /> affected area with copious quantities of water. Continue flushing affected areas for at <br /> least 15 minutes. Following the outlined first aid,the injured person shall be transported <br /> to Dameron Hospital, 525 West Acacia Street, Stockton. Make sure to take an MSDS for <br /> the appropriate chemical (hydrochloric acid or sodium hydroxide)to the hospital with the <br /> injured person and give this to the doctor. Directions to the hospital are given below. <br />