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Occupational Safety and Health Administration OSHA

Inspection Detail

Inspection: 313478851 - City Of Molalla

Inspection Information - Office: Or Health 1-Portland

Nr: 313478851Report ID: 1054191Open Date: 10/08/2009

City Of Molalla
32899 S Molalla Forest Rd
Molalla, OR 97038
Union Status: Union
SIC: 9131/Executive and Legislative Offices Combined
NAICS: 921140/ Executive and Legislative Offices, Combined
Mailing: Po Box 248, Molalla, OR 97038

Inspection Type:Accident
Scope:Partial Advanced Notice:N
Ownership:LocalGovt
Safety/Health:Health Close Conference:10/08/2009
Planning Guide: Health-Manufacturing Close Case:04/06/2010

Violation Summary
Serious Willful Repeat Other Unclass Total
Initial Violations 1 1
Current Violations 1 1
Initial Penalty $125 $0 $0 $0 $0 $125
Current Penalty $125 $0 $0 $0 $0 $125
FTA Amount $0 $0 $0 $0 $0 $0

Violation Items
# ID Type Standard Issuance Abate Curr$ Init$ Fta$ Contest LastEvent
  1. 01001 Serious 19101200 H03 II 10/30/2009 10/08/2009 $125 $125 $0 -

Accident Investigation Summary
Summary Nr: 201638822Event: 10/06/2009Chemical Reaction Causes Respiratory Tract Irritation
On October 6, 2009, Employee #1 was working as a plant operator at a water or sewage treatment plant. He was using a portable pump to transfer sodium hypochlorite from the facility's tank Number 2 to tank Number 1. One of the hoses on the pump came loose, and sodium hypochlorite spilled onto the floor of the feed pump room. Several gallons spilled before the operator realized the problem and turned off the pump. Normally when sodium hypochlorite is spilled at the plant, the liquid is diluted with water and swept out the door of the pump room. However, because there was some ascorbic acid at the site, the operator decided to use the ascorbic acid dechlorination procedure on the spill. When he sprinkled the powdered ascorbic acid onto the spilled sodium hypochlorite, the chemicals reacted, liberating chlorine gas. Employee #1 was overcome by the vapors, and he experienced severe irritation to his upper respiratory tract. He immediately evacuated the room and turned on the ventilation system. Because he was working alone that day, he called his supervisor. The supervisor called emergency medical services, and Employee #1 was transported to the emergency room. He had only minor respiratory tract irritation, so he was released from the emergency room without being admitted.
Keywords: caustic, sodium hypochlorite, waste proc fac, chemical reaction, respiratory tract, chemical burn, spill, chemical vapor
Inspection Degree Nature Occupation
1 313478851 Non Hospitalized injury Burn(Chemical) Water and sewage treatment plant operators

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