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California-,Regional Water Quality Co> of Board
<br /> Central Valley Region ,
<br /> Karl E.Longley,ScD,P.E.,Chair
<br /> Linda S. Adams Arnold
<br /> Secrerm)-for Sacramento Main Office Schwarzenegger
<br /> Environmental 11020 Sun Center Drive#200,Rancho Cordova,California 95670-6114 Governor
<br /> Protection Phone(916)464-3291•FAx(916)4644645
<br /> http://www.waterboads.ca.gov/centralvalley
<br /> 27 August 2009 RECE(�uEDD
<br /> Mr. Steve Osborn u u1A�RR 1i20009
<br /> Kinder Morgan Energy Partners ENVIRON61LNTHEALTF(
<br /> 1100 Town & Country Road PERMIT/SERVICES
<br /> Orange, CA 9286.8
<br /> SEMI-ANNUAL 2009 GROUNDWATER MONITORING REPORT, KINDER MORGAN
<br /> ENERGY PARTNERS, L.P, 2947 NAVY DRIVE, STOCKTON, SAN JOAQUIN COUNTY
<br /> Staff of the Regional Water Quality Control Board, Central Valley Region (Central Valley
<br /> Water Board) reviewed the 31 July 2009 Semiannual 2009 Groundwater Monitoring Report for
<br /> the SFPP, LP Stockton Terminal (Semi-Annual Report) submitted by LFR, Inc (LFR) on behalf
<br /> of SFPP, L.P., operating partnership of Kinder Morgan Energy Partners (KMEP) for the KMEP
<br /> terminal at 2947 Navy Drive in Stockton (Site). Groundwater monitoring at the Site is
<br /> conducted in nine monitoring wells (SP/M-1 and SP/M-3 through SP/M-10) pursuant to
<br /> Monitoring and Reporting Program (MRP) No. R5-2005-0815.
<br /> Groundwater bearing units at the Site are divided into a shallow and a deep zone. Deep zone
<br /> monitoring is performed through monitoring wells SP/M-7 and SP/M-8. In the Semi-Annual
<br /> Report, KMEP compared shallow zone groundwater elevations to deep zone elevations which
<br /> occurred at about three feet below sea level (-3 feet msl). During the first and second quarters
<br /> of 2009, shallow groundwater flowed to the north-northeast at about 0.001 feet per foot (fuft).
<br /> This direction and gradient are consistent with historical observations.
<br /> Groundwater sampling summarized in the Semi-Annual Report shows that non-aqueous
<br /> phase hydrocarbons (NAPH) have been absent from on-site monitoring wells since 1996. The
<br /> highest concentrations of contaminants of concern (CDCs) are generally detected in manifold
<br /> area well SP/M-9 and co-mingled area well SP/M-10. During the first half of 2009, SP/M-10
<br /> contained the highest concentrations of total petroleum hydrocarbons as gasoline (TPHg),
<br /> benzene, toluene, ethylbenzene, and xylenes (BTEX) at 53,000 micrograms per liter (pg/L),
<br /> 18,000 pg/L, 390 pg/L, 780 pg/L, and 570 pg/L, respectively. The highest concentrations of
<br /> TPH as diesel (TPHd), methy tertiary butyl ether (MTBE), and tertiary butyl alcohol (TBA) were
<br /> detected in SP/M-9 at 2,300 pg/L, 6,400 pg/L and 65,000 pg/L, respectively.
<br /> The 28 March 2008 Estimated Times For Petroleum Hydrocarbons and Fuel Oxygenates to
<br /> Achieve Water Quality Objectives at the SFPP, L.P Stockton Terminal, Stockton, California
<br /> (MNA Estimate) predicted that MTBE in wells SP/M-3, SP/M-1 and SP/M-9 would attain the
<br /> water quality objective (WQO) of 5 ug/I by 2008, 2009, and 2010, respectively. MTBE
<br /> concentrations observed in these wells during the first half of 2009 were 1.4 pg/L, 1,100 pg/L
<br /> and 6,400 pg/L, respectively.
<br /> California Environmental Protection Agency
<br /> Q$Recycled Paper
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