T/B Conuma River; Hyelbos Waterway, Tacoma, Washington

Hyelbos Waterway, Tacoma, Washington | 1994-Dec-06

Initial Notification: At 1340 on December 6, 1994, MSO Puget Sound received a report that the barge Conuma River spilled 2,000 gallons (12,600 pounds) of sodium hydroxide at the ATOCHEM facility in Tacoma, Washington. An unknown quantity entered the Hyelbos Waterway. The spill occurred after the cargo transfer to the barge had been completed. Air forced into the lines to purge them, resulted in the product being pushed back into the barge and overflowing the tank vents. A total of 200 gallons (1,260 pounds) of sodium hydroxide entered the water. The remaining 1,800 gallons (12,600 pounds) was contained on the deck and cleaned up. USCG district 13. Keyword: N.