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The Groundwater Treatment System, which includes over 100 wells (22 extraction wells) and a 150 gallon per minute (gpm) granular activated carbon (GAC) treatment system, has been transferred to the State of California Department of Toxic Substances Control (DTSC) for Operations and Maintenance until remedial action objectives, as outlined in the 2006 Reconrd of Decision (ROD) are achieved.  The DTSC project manager is Juan Peng at (916) 255-3802 and her email is



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Community Advisory Group

Frontier Fertilizer Superfund Oversight Group

Pam Nieberg, President:, 530-756-6856

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