The state will bill Nippon Dynawave for the costs environmental officials incurred responding to the Longview chemical spill, while a federal investigative board plans to release findings sooner than previously estimated. Some 37 days after the site’s white liquor tank collapsed, cleanup crews… removed the remaining chemicals inside. …The state Department of Ecology will issue what’s known as an order for reimbursement to cover the expenses the state made while responding to the spill. The agency is separately investigating whether the company violated any permits with Ecology, state laws or other federal requirements related to water quality, air quality or dangerous wastes. …The U.S. Chemical Safety Board’s investigation is expected to take longer than a state investigation, as the federal agency works to pinpoint exact causes to help the pulp and paper industry avoid future catastrophes. …Washington State is conducting its own investigation to determine whether any worker-safety laws were violated.