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8/15/22, 1:19 PM GeoTracker <br /> SPI and the property owners have denied pumping or tampering with the septic tank. It remains unclear why the septic tank contents reportedly <br /> fluctuated by several feet in mid-December 2021. Subsequent reports of the contents of the septic tank indicate it has remained stable ever <br /> since. <br /> On 13 January 2022, SPI notified Central Valley Water Board staff via email that two(2)samples were collected from the septic tank on 20 <br /> December 2021. The laboratory results indicated concentrations of cadmium and lead above the United States Environmental Protection Agency <br /> (USEPA)maximum contaminate level (MCL), and concentrations of copper,vanadium, and zinc above the San Francisco Bay Regional Water <br /> Quality Control Boardos Tier 1 Environmental Screening Levels(ESLs). <br /> On 22 February 2022, SPI submitted a Sampling Plan prepared by NES, Inc. (NES), to propose sampling soils surrounding the septic tank. <br /> Central Valley Water Board staff have reviewed, commented on the report, and requested a revised version by 25 April 2022. The Sampling Plan <br /> does not propose to sample and evaluate the conditions of the septic tank,to locate and sample the leach field, or to sample groundwater. <br /> Central Valley Water Board staff have requested a revised report to include the additional investigation. On 16 April 2022, Blankinship& <br /> Associates, Inc. informed Central Valley Water Board staff via email that they are assisting SPI in resubmitting the sampling plan and requested <br /> an extension to 25 May 2022. On 18 April 2022, Central Valley Water Board staff approved the extension via email. <br /> XI. CERTIFICATION <br /> I HEREBY CERTIFY THAT THE INFORMATION REPORTED HEREIN <br /> IS TRUE AND ACCURATE TO THE BEST OF MY KNOWLEDGE. <br /> XII. REGULATORY USE ONLY <br /> LOCAL AGENCY CASE NUMBER REGIONAL BOARD CASE NUMBER <br /> LOCAL AGENCY <br /> CONTACT NAME INITIALS ORGANIZATION NAME EMAIL ADDRESS <br /> MICHELLE HENRY SAN JOAQUIN COUNTY mhenry@sjcehd.com <br /> ADDRESS CONTACT DESCRIPTION <br /> 1868 E Hazelton Ave <br /> STOCKTON, CA 95205 <br /> PHONE TYPE PHONE NUMBER EXTENSION <br /> PHONE (209)-468-3454 <br /> REGIONAL BOARD <br /> CONTACT NAME INITIALS ORGANIZATION NAME EMAIL ADDRESS <br /> AMBER LEE GINORIO ALG CENTRAL VALLEY RWQCB (REGION 5S) amber.ginorio@waterboards.ca.gov <br /> ADDRESS CONTACT DESCRIPTION <br /> 11020 Sun Center Dr. Suite 200 <br /> RANCHO CORDOVA, CA 95670 <br /> PHONE TYPE PHONE NUMBER EXTENSION <br /> PHONE (916)-464-4670 <br /> Back • Top Conditions of Use <br /> Privacy Policy Accessibility <br /> Contact Us <br /> Copyright O 2022 State of California <br />