arringnl
32 Years Experience
Goose Creek, SC
Male, 54
Currently serving Jasper County Fire Rescue in south Carolina along with Charleston County EMS.
2. Effects on Humans: In high concentrations, dichlorodifluoromethane can cause narcosis, unconsciousness, cardiac arrhythmias, cardiac arrest, and asphyxiation, either as a result of dichlorodifluoromethane's narcotic effects or as a consequence of its displacement of oxygen in the atmosphere. Many nonoccupational deaths have been reported from the sniffing of fluorochlorinated hydrocarbon aerosols, including dichlorodifluoromethane; the mechanism of action in these cases is believed to be cardiac arrhythmias caused by sensitization of the myocardium to epinephrine [Hathaway et al. 1991]. Studies in volunteers showed that inhalation of 10,000 ppm of dichlorodifluoromethane for 2.5 hours caused a 7 percent reduction in standardized psychomotor scores; however, at 1,000 ppm for 8 hours/day, 5 days/week, for a total of 17 repetitive exposures, no abnormal responses occurred [Clayton and Clayton 1982]. Exposure to 40,000 ppm for 8 minutes caused generalized sensory losses, ringing in the ears, apprehension, and slurred speech; at 110,000 ppm for 11 minutes, there were cardiac arrhythmias, amnesia, and a marked decrease in consciousness [Hathaway et al. 1991]. An individual exposed to 150,000 ppm experienced loss of consciousness [Parmeggiani 1983]. Individuals with cardiac or respiratory disorders may prove especially susceptible to dichlorodifluoromethane [NLM 1995]. Contact with the liquid can cause frostbite because of the rapid evaporation of this chemical [Sittig 1991]. STORAGEDichlorodifluoromethane should be stored in a cool, dry, well-ventilated area in tightly sealed containers that are labeled in accordance with OSHA's Hazard Communication Standard [29 CFR 1910.1200]. Containers of dichlorodifluoromethane should be protected from physical damage and ignition sources, and should be stored separately from chemically active metals such as sodium, potassium, calcium, powdered aluminum, zinc, and magnesium should be avoided.
With this said unless your husband is in the refrigeration business this should not be left in a boiler room. I suggest that if not needed get rid of this chemical by contacting a local A/C business or your local waste management business.
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See above answer
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Very large restaurant.
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Long term damage yes, cause it builds up in youir blood stream. Dependant can create issues. I would recommend taking them in to be checked at ER. They can determine CO levels in their blood.
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go get checked. Could be low level exposure that is building up in your system.
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Got me bud
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Hmm,
Super Firefighter.
That’s the best with a limit of 20.
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