Inspection Detail

Inspection: 105639223 - Union Pacific Resources Co

Inspection Information - Office: Utah Division Of Occupational Safety And Health

Inspection Nr: 105639223

Report ID: 0854910

Date Opened: 01/28/1991

Site Address:
Union Pacific Resources Co
3603 East Chalk Creek Road
Coalville, UT 84107

Mailing Address:
P.O. Box 527, Coalville, UT 84017

Union Status: NonUnion

SIC:1321

NAICS: 0

Inspection Type: Accident

Scope: Partial

Advanced Notice: N

Ownership: Private

Safety/Health: Safety

Close Conference: 01/28/1991

Emphasis:

Case Closed: 04/04/1991

Related Activity
Type	Activity Nr	Safety	Health
Accident	360289938

Violation Summary
Violations/Penalties	Serious	Willful	Repeat	Other	Unclass	Total
Initial Violations	1					1
Current Violations
Initial Penalty	$550	$0	$0	$0	$0	$550
Current Penalty	$0	$0	$0	$0	$0	$0
FTA Penalty	$0	$0	$0	$0	$0	$0

Violation Items
#	Citation ID	Citaton Type	Standard Cited	Issuance Date	Abatement Due Date	Current Penalty	Initial Penalty	FTA Penalty	Contest	Latest Event	Note
1.	01001	Serious	19100134 E03	02/12/1991	03/19/1991	$550	$550	$0		A - Amendment	Citation has been deleted.

Investigation Summary

Investigation Nr: 776153

Event: 01/25/1991

Two employees treated for exposure to hydrogen sulfide

At approximately 3:45 p.m. on January 25, 1991, Employees #1 and #2 were treating water to remove contaminants from the water system. Alarms on the monitors went off, alerting the employees to the presence of hydrogen sulfide gas or other contaminants. The hydrogen chloride and iron sulfide used, when mixed, could precipitate hydrogen sulfide gas. Both employees experienced pain in the chest, lost consciousness, and fell to the ground, but regained consciousness after a short period of time. Both men were taken to Coalville Hospital, where they were treated, given oxygen, and released, suffering no aftereffects. It was unlikely that the alarms malfunctioned.

Keywords: CHEST, UNCONSCIOUSNESS, HYDROGEN SULFIDE, ALARM, CHEMICAL REACTION, TOXIC FUMES, GAS WELL DRILLING, OVEREXPOSURE, WATER

Investigated Inspection
#	Inspection	Age	Sex	Degree of Injury	Nature of Injury	Occupation
1	105639223			Non Hospitalized injury	Poisoning(Systemic)	Petroleum engineers
2	105639223			Non Hospitalized injury	Poisoning(Systemic)	Petroleum engineers

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