When did the City find out about the extremely elevated levels of hexavalent chromium?

Late October 2016. As background, in late summer of 2016, SCAQMD staff reported in a Town Hall meeting the results from long-term air monitoring in another area of town that found slightly elevated readings of hexavalent chromium during the first few months of 2016. This prompted SCAQMD to deploy further air monitors in other areas of the industrial sector to identify the sources of hexavalent chromium emissions. In late October 2016, two of these monitors found the extremely high levels referenced in an earlier question. At that point, SCAQMD notified, and sought assistance from, Paramount staff on November 4, 2016. Paramount staff immediately provided the venue for the first Town Hall meeting that was held on Wednesday, November 9, 2016. Paramount staff has worked, and continues to work, with the SCAQMD by providing assistance and resources to them and all other regulatory agencies that have become involved in addressing and resolving the hexavalent chromium issue.

The City has taken numerous actions including adopting a moratorium on new metal-related businesses and expansion of existing businesses, and continues to partner closely with SCAQMD on a daily basis.

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