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In a " horrific accident , " a adult female in Washington give way from exposure to dry ice fumes , according to news reports .
The 77 - year - honest-to-god cleaning lady was discover unresponsive in a car with several container of wry crank on July 27 , harmonise tolocal news wall plug KOMO . The car belong to the woman ’s boy , an ice cream salesman , who kept four tank of dry ice in the back of the vehicle . The man ’s married woman had borrowed the railroad car to give the woman , her female parent - in - law of nature , a ride home .
But when the valet found his wife and female parent unconscious in the elevator car , he called 911 . The mother probably exit of asphyxiation from the dry ice fumes , and the wife is in critical condition .
" Somehow … the fumes scarper from the coolers , " said Ed Troyer , a spokesperson for the Pierce County Sheriff ’s Department .
" At this point in time , we ’re just looking at this as [ a ] horrific chance event , " Troyer told local news outletThe News Tribune .
Dry iceis known for the eerie - look vapor it produce , which is not usually dangerous . But in rare case , it can be deathly .
wry ice is the unanimous form ofcarbon dioxideand has a freezing point of subtraction 109 degrees Fahrenheit ( minus 78 degrees Anders Celsius ) . As dry ice thawing , it undergoes a operation called sublimation , in which the solid is converted directly into a gas , according to theCenters for Disease Control and Prevention ( CDC ) . If dry ice is hive away in an expanse without right ventilation , it may induce people to inhale declamatory amount of the gas CO2 , which displacesoxygenin the body , the CDC says . This , in turn , can head to harmful essence , let in headache , discombobulation , disorientation and demise .
Although rare , cases like this have happened before . In 2004 , the CDCreporteda pillow slip of a Isle of Man who passed out while repel with several bags of teetotal ice in his cable car , which he bought to keep intellectual nourishment cool in causa of a force outage after Hurricane Ivan . The humankind ’s wife found him unconscious in the railcar , but he heat up when she opened the door .
In the new case , officials said there were potential several things that went awry to make the woman ’s death . For instance , the ice cream salesman had latterly bought a new car , which probably had better waterproofing and less ventilation , which immobilise in the fumes , Troyer said . " It was a combination of things that went rottenly wrong , " Troyer told KOMO .
Original clause onLive Science .
