Accident Report Detail

Accident Summary Nr: 201107638 - Three Employees Are Killed from Asphyxiation in Snow Cave-In

Accident Summary Nr: 201107638 -- Report ID: 0950624 -- Event Date: 04/06/2006
Inspection Nr	Date Opened	SIC	NAICS	Establishment Name
300822137	04/08/2006	7011	721199	Mammoth Mountain Ski Area

Abstract: On April 6, 2006, Employee #1, #2, #3, and #4 were reestablishing a perimeter fence around a gas vent, called a fumarole. The snow that covered the fumarole caved in and two employees fell approximately 22 ft. Two additional employees attempted a rescue. One of the four employees was rescued and survived. Three died from carbon dioxide asphyxiation.

Keywords: ASPHYXIATED, FALL, CAVE-IN

Employee Details
Employee #	Inspection Nr	Degree of Injury	Nature of Injury	Occupation
1	300822137	Fatality	Asphyxia	Occupation not reported
2	300822137	Hospitalized injury	Asphyxia	Occupation not reported
3	300822137	Fatality	Asphyxia	Occupation not reported
4	300822137	Fatality	Asphyxia	Occupation not reported

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