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Attachment B, Technical Revision to the May Day Mine Permit, September 12, 2009. <br />AEROFLaAT® 208 Promoter, aqueous MSDS: 0000414 Date: 01074AU <br />25 of 35 <br />Pape z of 7 <br />EFFECTS OF OVEREXPOSURE: <br />The acute oral (rat) and dermal (rabbit) LD50 values for this product are 8.46 glkg and 5.6 g/kg, respectively. <br />Difact contact W IM this material may cause severe eye irritation and chemical bums of the skin. <br />Contact with acid may cause liberation of hydrogen sulfide. Hydrogen sulfide has a strong rotten-egg odor, <br />however, some people are unable to smell the gas and exposure will deaden the sense of smell. Therefore, <br />odor is an unreliable indicator of exposure. Repeated or prolonged dermal contact with this material may cause <br />severe allergic skin reactions. Such allergic reactions may be incapacitating for an extended period of time. <br />Overexposure to hydrogen sulfide gas may cause severe eye or respiratory tract Irritation, rapid development of <br />coma and respiratory failure. Low levels of hydrogen sulfide may cause headache, dizziness, staggering gait, <br />neurological damage and gastritis. Refer to Section 11 for toxicology Information on the regulated components <br />of this product <br />4. FIRST AID MEASURES <br />' ingestion: <br />If swallowed, tail a physician immediately. Only induce vomiting at the instruction of a physician. Never give anything <br />by mouth to an unconscious person. <br />Skin Contact: <br />Remove contaminated clothing and shoes without delay. Wear impermeable gloves. Wash immediately with plenty of <br />water and soap. Pay particular attention to skin crevices, nail folds, etc. Do not reuse contaminated clothing without <br />laundering. Do not reuse contaminated leatherware. Obtain medical attention. <br />Eye Contact: <br />Rinse immediately with plenty of water for at least 15 minutes. Obtain medical attention immediately. <br />Inhalation: <br />Remove to fresh air, If breathing is difficull, give oxygen. Apply artificial respiration if patient is not breathing. Obtain <br />medical attention immediately. <br />S. FIRE-FIGHTING MEASURES <br />Extinguishing Media: <br />Use water spray or fog, carbon dioxide or dry chemical. <br />Protective Equipment: <br />Firefighters, and others exposed, wear self=contained breathing apparatus. Wear full firefighting protective clothing. <br />See Section 8 (Exposure Controls/Personal Protection). <br />Special hazards: <br />Sulfur dioxide or hydrogen sulfide may be formed under fire conditions. 'Do not flush to sewer which may contain acid. <br />This could result in generation of toxic and explosive hydrogen sulfide gas. <br />6. ACCIDENTAL RELEASE MEASURES <br />Personal Precautions: <br />Where exposure level Is known, wear approved respirator suitable for level of exposure. Where exposure level is not <br />known, wear approved, positive pressure, seif-contained respirator. In addition to the protective clothing/equipment to <br />Section a (Exposure Controls/Personal Protection), wear impermeable boots. <br />Methods For Cleaning Up: <br />Cover spills with some inert absorbent material: sweep up and place in a waste disposal container. Flush spill area <br />with water.