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Californi- -legional Water Quality Co •ol Board <br />Central Valley Region <br />Linda S. Adams <br />Secretary for <br />Environmental <br />Protection <br /> <br />Arnold <br />Scfmarzenegger <br />overnor <br />Sacramento Main Office <br />11020 Sun Center Drive 4200. Rancho Cordova. California 95670-6114 <br />Phone (916) 464-3291 • FAX (916) 464-4645 <br />hup://www.waterboards.ca.govicentralvalley <br /> <br />R -SC ff-1 <br /> <br />17 January 2007 <br />Jeff Kasper, Deputy Director <br />Port of Stockton <br />P.O. Box 2089 <br />Stockton, CA 95201-2089 <br />JAN 1 2007 <br />9VIRONMENT HEALTH <br />PFP,PP1/SIERV!M <br />Captain Leif Gistrand, Manager <br />Metropolitan Bulk Terminal <br />P.O. Box 986 <br />Stockton, CA 95201-0986 <br />REVIEW OF SUPPLEMENTARY INFORMATION PERTAINING TO THE SULFUR <br />MANAGEMENT PLAN ADDENDUM, PORT OF STOCKTON, BULK TERMINAL SITES, SAN <br />JOAQUIN COUNTY <br />The Regional Water Quality Control Board (Regional Water Board) staff has reviewed the <br />Supplementary Information Pertaining to the Sulfur Management Plan Addendum <br />(Supplementary Information) for the Bulk Terminal Site located at the Port of Stockton <br />(Discharger), as compiled by Environmental Risk Services and received on 23 October 2006. <br />In a letter to the Discharger dated 19 September 2006, the Regional Water Board staff <br />requested the information. <br />In the context of the Supplementary Information, the Discharger's Bulk Terminal Site consists <br />of molten sulfur processing and prill transfer operations conducted by Metropolitan Stevedore, <br />Bay Sulfur (now known as Martin Operating Partnership), and H.J. Baker. The following <br />information was provided to staff: <br />Metropolitan Stevedore's (MS) map showing where sulfur-impacted surficial soils were <br />excavated. The map indicated six areas, referred to as Areas #1 through #6, where <br />soils had been excavated. <br />MS's soil waste characterization data, including analytical data from the soil stockpiles <br />generated during remediation/excavation of Areas #1 through #6. <br />Bay Sulfur's Figures 1 and 2 from their Sulfur Management Plan and Storm Water <br />Pollution Prevention Plan. <br />H.J. Baker's Revised Figure 2 from their Storm Water Pollution Prevention Plan. <br />Except for confirmation soil samples and analysis at MS's six soil excavation/remediation <br />areas, the Supplementary Information contained information requested by Regional Water <br />Board staff. <br />Based on review of the Supplementary Information, staff finds it incomplete due to the missing <br />confirmation soil samples and analytical results. Moreover, on 8 December 2006 staff sampled <br />and analyzed surface soils from two of the MS's excavated/remediated areas: sulfur <br />concentrations were 26,300 mg/kg at Area #3 and 1,700 mg/kg at Area #2. Based on these <br />high sulfur concentrations, where soil has already been excavated/remediated, the analytical <br />results demonstrate that these areas are a threat to surface and ground water quality. <br />California Environmental Protection Agency <br />0 Recycled Paper