Accident Report Detail

Accident Summary Nr: 744409 - OVERCOME BY HYDROGEN SULFIDE

Accident Summary Nr: 744409 -- Report ID: 0951510 -- Event Date: 02/08/1993
Inspection Nr	Date Opened	SIC	NAICS	Establishment Name
105875231	03/16/1993	4911	0	Cosi Puna Inc

Abstract: THREE ELECTRIC UTILITY EMPLOYEES WERE INVOLVED IN A GEOTHERMAL DRILLING OPERATION. THEY WERE PREPARING A WELL CLEAN OUT OF KS-9, WHICH INCLUDED A 4-HOUR VENTING. THE STEAM USED IN THIS OPERATION IS NORMALLY ABATED WITH THE USE OF CAUSTIC SODA IN THE ATMOSPHERIC SEPARATOR AND MUFFLER SYSTEM. HOWEVER, DURING THIS PARTICULAR OPERATION, CONDENSATE FOLLOWED BY A CLOUD OF UNABATED HYDROGEN SULFIDE CAME OUT OF THE SAMPLE PORT. TWO EMPLOYEES WERE OVERCOME BY THE GAS. ONE OF THEM HAD BEEN STANDING NEAR THE THROTTLE VALVE, AND THE OTHER HAD BEEN MONITORING HYDROGEN SULFIDE FROM A NEARBY LOCATION.

Keywords: UNCONSCIOUSNESS, HYDROGEN SULFIDE, VENTING, WELL

Employee Details
Employee #	Inspection Nr	Age	Sex	Degree of Injury	Nature of Injury	Occupation
1	105875231			Non Hospitalized injury	Poisoning(Systemic)	Production inspectors, checkers and examiners
2	105875231			Non Hospitalized injury	Poisoning(Systemic)	Production samplers and weighers

Thank You for Visiting Our Website

You are exiting the Department of Labor's Web server.

The Department of Labor does not endorse, takes no responsibility for, and exercises no control over the linked organization or its views, or contents, nor does it vouch for the accuracy or accessibility of the information contained on the destination server. The Department of Labor also cannot authorize the use of copyrighted materials contained in linked Web sites. Users must request such authorization from the sponsor of the linked Web site. Thank you for visiting our site. Please click the button below to continue.