Spills · event

Knik arm, upper cook inlet, alaska

Chugach Electric; Knik Arm, Upper Cook Inlet, Alaska · 2 messages · 1986-06-17 to 1986-08-05

status
closed 1986-08-05 00:00Z
opened
1986-06-17 00:00Z
sea
Gulf of Alaska
position
61.353, -149.826
joined by
proximity (same type, same sea, within 30 nm and 30 days)
key
pollution:NOAAORR-6373

Timeline · 2 messages, oldest first

  1. 1
    NOAAORR-63731986-06-17 00:00Z → cancelled 1986-07-01 00:00Z
    Hazardous waste removal action, standard steel and metals salvage yard, anchorage, alaska uscg district 17
    Standard Steel & Metal Salvage; Anchorage, Alaska.
    Anchorage, Alaska.
    1. HAZARDOUS WASTE REMOVAL ACTION, STANDARD STEEL AND METALS SALVAGE YARD, ANCHORAGE, ALASKA USCG district 17.
    2. COMMODITY: HAZARDOUS WASTE REMOVAL.
    3. POSITION 61.217N 149.888W. NOAA INCIDENTNEWS 6373: https://incidentnews.noaa.gov/incident/6373
  2. 2
    NOAAORR-63811986-07-22 00:00Z → cancelled 1986-08-05 00:00Z
    Knik arm, upper cook inlet, alaska
    Chugach Electric; Knik Arm, Upper Cook Inlet, Alaska.
    Knik Arm, Upper Cook Inlet, Alaska.
    1. On May 12, 1986, Chugach Electric Utility Co. noticed an abnormal fluid pressure drop in one of its undersea 138 KV transmission cables extending between Pt. McKenzie and Pt. Worzonoff in Upper Cook Inlet. The pressure drop was interpreted as a leak in the cable dielectric fluid, dodecylbenzene (DD), which is maintained at a positive pressure to prevent any salt water intrusion into the cable. The subsequent release of DDB into the marine environment was calculated by Chugach to be 5-10 gallons per day. As a result, on June 2, 1986, Chugach voluntarily de-energized and depressurized its cable, reducing fluid loss to 1-2 gallons per day and commenced an inspection program. On June 4, 1986, the U.S. Coast Guard Marine Safety Office (MSO), Anchorage, and the Alaska Department of Environmental Conservation (DEC) were notified of the situation. USCG district 17.
    2. COMMODITY: DODECYLBENZENE (DDB).
    3. POSITION 61.353N 149.826W. NOAA INCIDENTNEWS 6381: https://incidentnews.noaa.gov/incident/6381

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. Events are assembled automatically from official navigational warnings; the grouping can be wrong. Mariners must use official NAVAREA broadcasts and their national MSI service.

Knik arm, upper cook inlet, alaska — Chugach Electric; Knik Arm, Upper Cook Inlet, Alaska · seahazards