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Ports using contingency anchorages as number of ships waiting for berths grow.
No contract talks planned with Pacific Maritime Association Thursday.
Union leader says restricted night operations amount to a "mini lockout."
The International Association of Classifications Societies said it would continue to study the report and the will finalized the requirements soon.
The fellow NYK Group companies said vessel adjustments reduced CO2 emissions by 23%.
The federal agency alleges shipments did not include relevant documents and were improperly packaged and labeled.