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Department of Toxic Substances Control <br /> Meredith Williams, Ph.D. <br /> Jared Blumenfeld Director Gavin Newsom <br /> Secretary for 8800 Cal Center Drive Governor <br /> Environmental Protection Sacramento, California 95826-3200 <br /> RECEIVED <br /> May 26, 2020 <br /> Mr. Giuseppe Sanfilippo .SUN 08 20 <br /> San Joaquin County ENViRON�MENTALHE&TH <br /> Community Development Department D_. ARTMENT <br /> 1810 E. Hazelton Avenue <br /> Stockton, California 95205 <br /> gsanfilippo(c�slgov.org <br /> MITIGATED NEGATIVE DECLARATION FOR PA-1700247 — DATED MAY 8, 2020 <br /> (STATE CLEARINGHOUSE NUMBER: 2020059011) <br /> Dear Mr. Sanfilippo: <br /> The Department of Toxic Substances Control (DTSC) received a Mitigated Negative <br /> Declaration (MND) for PA-1700247. The proposed project is a Use Permit application <br /> for the expansion of an existing 25 truck and 50 trailer truck terminal to include parking <br /> for a maximum of 50 trucks and 160 trailers and to expand the existing storm water <br /> retention pond. The project site includes a 3,750 square foot truck maintenance shop, <br /> and fueling island, and a 2,100 square foot office. <br /> DTSC recommends that the following issues be evaluated in the MND Hazards and <br /> Hazardous Materials section: <br /> 1. The MND should acknowledge the potential for historic or future activities on or <br /> near the project site to result in the release of hazardous wastes/substances on <br /> the project site. In instances in which releases have occurred or may occur, <br /> further studies should be carried out to delineate the nature and extent of the <br /> contamination, and the potential threat to public health and/or the environment <br /> should be evaluated. The MND should also identify the mechanism(s) to initiate <br /> any required investigation and/or remediation and the government agency who <br /> will be responsible for providing appropriate regulatory oversight. <br /> 2. Refiners in the United States started adding lead compounds to gasoline in the <br /> 1920s in order to boost octane levels and improve engine performance. This <br /> practice did not officially end until 1992 when lead was banned as a fuel additive <br /> in California. Tailpipe emissions from automobiles using leaded gasoline <br /> contained lead and resulted in aerially deposited lead (ADL) being deposited in <br /> and along roadways throughout the state. ADL-contaminated soils still exist <br /> 0 Printed on Recycled Paper <br />