Spills · chemical

Dutch harbor, ak

F/V Excellence Ammonia Release; Dutch Harbor, Ak · NOAAORR-8474

issued
2012-07-06 00:00Z
status
cancelled 2012-07-20 00:00Z
self-cancels
2012-07-20 00:00Z
authority
NOAA OR&R
sea
Bering Sea
position
53.900, -166.542
vessels
F/V EXCELLENCEF/V EXCELLENCE AMMONIA RELEASE
source
incidentnews · first seen 2026-09-03 15:09Z

Original warning text

F/V Excellence ammonia release; Dutch Harbor, AK.
Dutch Harbor, AK.
1. Late evening on 07-JULY-2012, Sector Anchorage contacted NOAA ERD to request assistance with an anhydrous ammonia leak from the F/V EXCELLENCE; a catcher/processor vessel docked in Dutch Harbor, AK. The vessel had been leaking ammonia from a one-inch pipe on the low pressure side of the refrigeration system since approximately 1230hrs (Aleutian Time)this afternoon and the system was estimated to contain 3-5,000 pounds. The high pressure side of the refrigeration system was estimated to contain an additional 15-17,000 pounds of ammonia. USCG responders in Dutch Harbor requested operational assistance regarding the exclusion zone size and operation of ship-board generators during response operations.
2. THREAT: CHEMICAL. COMMODITY: AMMONIA.
3. POSITION 53.900N 166.542W. NOAA INCIDENTNEWS 8474: https://incidentnews.noaa.gov/incident/8474

This area · spills & pollution incidents

71 within 180 nm since 1985 · 0 in the last 12 months · 0 in force now

85
90
95
00
05
10
15
20
25

Season · when spills & pollution incidents happen here

J
F
M
A
M
J
J
A
S
O
N
D

month of issue, all years in the archive

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

8 spills & pollution incidents in force · see all

Spills

Oil and chemical spills, groundings and vessel casualties with a pollution threat: NOAA IncidentNews responses since 1957, and spill-response areas broadcast as navigational warnings. All current spills & pollution incidents →

Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.