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Lubeco Inc.

Background

Lubeco Inc. processes metal using chromic acid anodizing tanks, surface treatment tanks, and spray-coating operations, all of which can cause hexavalent chromium emissions. The facility is located at 6859 Downey Ave. in Long Beach near the southern border of Paramount, and is subject to the permitting requirements and rules and regulations of the South Coast AQMD.

In July 2017, following an intensive investigation, South Coast AQMD determined that Lubeco Inc. was a source of elevated levels of hexavalent chromium emissions. In addition to outdoor monitoring data, South Coast AQMD staff also collected samples and conducted emissions testing at the facility.  

On July 21, 2017, South Coast AQMD filed a petition against Lubeco with the independent South Coast AQMD Hearing Board.  Lubeco agreed to terms of an administrative order, known as a Stipulated Order for Abatement, and the Hearing Board adopted it on August 23, 2017. The Order includes short- and long-term measures designed to reduce Lubeco’s emissions of hexavalent chromium. Under the order, Lubeco must shut down equipment identified in the order with the potential to emit hexavalent chromium if South Coast AQMD determines the facility has caused outdoor levels of the toxic compound to exceed 1.0 nanogram per cubic meter, calculated as an average of three air samples taken over a period of about a week.

The Stipulated Order for Abatement also requires additional mitigation measures to reduce potential hexavalent chromium emissions from its processes.  These measures include the removal of certain tanks containing hexavalent chromium, modification of certain practices at the facility, and the development of a risk reduction plan containing all feasible measures for reducing these emissions from the facility. This plan is expected to result in the installation of new air pollution control equipment at the facility.  South Coast AQMD will evaluate the plan to ensure the facility reduces its toxic emissions below the thresholds for community health risks established by South Coast AQMD. 

Since issuance of the Order for Abatement, Lubeco is taking steps to comply with the short-term mitigation measures in accordance with the required schedule.  South Coast AQMD has conducted additional emissions testing at the site and South Coast AQMD inspectors periodically inspect the facility to monitor compliance with the conditions of the Stipulated Order for Abatement, in addition to South Coast AQMD Rules and Regulations.

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21865 Copley Dr, Diamond Bar, CA 91765

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