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Bureau of Remediation & Waste Management
Hazardous and Oil Spill System Online Report Service
SEARCH: Results: Full Report

Selected Report: B-306-2009

MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION
OIL & HAZARDOUS MATERIALS REPORT

Spill Report Information
Spill Number: B-306-2009
Report Status: Final Report
MCD Town: SEARSPORT
Local Name: SEARSPORT
Primary Responder: NATHAN THOMPSON
Primary Product: AMMONIA {76} - 1470.00 ESTIMATE
Subject/Owner: GAC CHEMICAL COMPANY - -
I. EVENT
Spill Info
Type: Hazardous Material Incident
Source: Storage Unit - Aboveground Storage Tank
Cause: Accident - Human Error
Spill Date/Time
Spill Date/Time: 05/11/2009
Reporter Type/Detection Method
Type: Subject/Spiller {2}
Method: Odor/Vapor/Mist
Reported Date/Time
Reported Date/Time: 05/11/2009
Subject/Spiller (Potential Responsible Party)
Contact: GAC CHEMICAL COMPANY
PO BOX 436 KIDDER RD
SEARSPORT ME 04974-0436 USA
Comment:
Primary Responder and Other Employees
Contact(s): NATHAN THOMPSON (Primary Responder)
Comment: No Further Response Action Expected
II. SITE
Location
Location Type: Business - Industrial {ID}
Name: GAC CHEMICAL COMPANY
Street Address: KIDDER ROAD
MCD Town: SEARSPORT
Local Name: SEARSPORT
State/Province: ME
Spill Point
Spill Point:
Wells and Media Affected
Wells Affected: 0 Wells Impacted/ 0 Wells At Risk
Media Affected: Interior Surface {S}
Tanks Involved
Tanks Involved: NONE
III. CLEANUP
Product Reported: AMMONIA {76}
Products Found/Amount Spilled: AMMONIA {76} - 1470.00 ESTIMATE (Primary Product)
Material Recovered: NONE
Recovery/Treatment Method: NONE
Cleanup DTREE:
Disposal Information: See narrative.
IV. NARRATIVE
5/11/09 Peter Godwin of GAC reported an ammonia release at the entered location. I responded to the location and surveyed the release area with Mr. Godwin and GAC president David Colter. There was a strong presence of ammonia in the atmosphere that restricted our access, but we were able to observe the Aboveground Storage Tank (AST) source (a 20,000-30,000 gallon class AST). The GAC representatives advised me that a worker had turned a heater on in anticipation of moving product to or from the AST and that the heater had been left on which lead to an over pressurization of the tank that lead to a release at the safety relief valve on top of the AST. A release also occurred in an adjacent process building due to a ruptured gasket on a ammonia feed line that runs from the AST into the building. Venting of the building occurring at the time of my observation. The flange gasket was later replaced.There was no clean up action feasible and the product released to the atmosphere. A more detailed account of the incident and causes and corrective actions are attached in the GAC incident report dated 5/19/09. No further Response action expected.file/report.
V.ATTACHMENTS
None

 

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