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Product: Carbon Dioxide, Refrigerated Liquid P-4573-D Date: December 2009 <br /> Carbon dioxide is an asphyxiant. It initially stimulates respiration and then causes respiratory <br /> depression. High concentrations result in narcosis. Symptoms in humans are as follows: <br /> EFFECT: CONCENTRATION: <br /> Breathing rate increases slightly. 1% <br /> Breathing rate increases to 50% above normal level. Prolonged 2% <br /> exposure can cause headache, tiredness. <br /> Breathing increases to twice normal rate and becomes labored. Weak 3% <br /> narcotic effect. Impaired hearing, headache, increased blood pressure <br /> and pulse rate. <br /> Breathing increases to approximately four times normal rate, symptoms 4 - 5% <br /> of intoxication become evident, and slight choking may be felt. <br /> Characteristic sharp odor noticeable. Very labored breathing, 5 - 10% <br /> headache, visual impairment, and ringing in the ears. Judgment may <br /> be impaired, followed within minutes by loss of consciousness. <br /> Unconsciousness occurs more rapidly above 10% level. Prolonged 10 - 100% <br /> exposure to high concentrations may eventually result in death from <br /> asphyxiation. <br /> REPRODUCTIVE EFFECTS: A single study has shown an increase in heart defects in rats <br /> exposed to 6 percent carbon dioxide in air for 24 hours at different times during gestation. <br /> There is no evidence that carbon dioxide is teratogenic in humans. <br /> 12. Ecological Information <br /> ECOTOXICITY: No adverse ecological effects expected. <br /> OTHER ADVERSE EFFECTS: Carbon dioxide does not contain any Class I or Class II ozone- <br /> depleting chemicals. <br /> 13. Disposal Considerations <br /> WASTE DISPOSAL METHOD: Do not attempt to dispose of residual or unused quantities. <br /> Return cylinder to supplier. <br /> 14. Transport Information <br /> DOT/IMO SHIPPING NAME: Carbon dioxide, refrigerated liquid <br /> HAZARD PACKING IDENTIFICATION PRODUCT <br /> CLASS: 2.2 GROUP/Zone: NA* NUMBER: UN2187 RQ: None <br /> SHIPPING LABEL(s): NONFLAMMABLE GAS <br /> PLACARD (when required): NONFLAMMABLE GAS <br /> *NA = Not applicable. <br /> SPECIAL SHIPPING INFORMATION: Cylinders should be transported in a secure position, in a <br /> well-ventilated vehicle. Cylinders transported in an enclosed, nonventilated compartment of a <br /> vehicle can present serious safety hazards. <br /> Page 6 of 10 <br />