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City of Carson, CA Shell Oil Cleanup and Abatement Plan

Posted by Legal / Medical Interpreter on 07/23/2010

  • Rod Novillo

    City of CarsonReport to Mayor and City CouncilJuly 20, 2010New Business DiscussionSUBJECT: CONSIDER STATUS OF THE REGIONAL WATER QUALITY CONTROL BOARDISSUANCE OF A TENTATIVE CLEAN UP AND ABATEMENT ORDER FOR THECAROUSEL TRACT (FORMER KAST PROPERTY TANK FARM)Submitted by Clifford W. Graves Approved by Jerome G. GroomesEconomic Developme…See More
Rod Novillo

AXIOM in co-op w TRANSART Interpret conference for Span/Eng

Oil-soaked soil and its cleanup worry Carson residents – The Daily …. The current problems stem from a Shell Oil tank farm that stored crude oil in … Control Board’s tentative cleanup order to Shell Oil regarding the Carousel tract. Where: Carson Community Center, 801 E. …See More

Shell Oil / California Water Board 2010

City of CarsonReport to Mayor and City CouncilJuly 20, 2010New Business DiscussionSUBJECT: CONSIDER STATUS OF THE REGIONAL WATER QUALITY CONTROL BOARDISSUANCE OF A TENTATIVE CLEAN UP AND ABATEMENT ORDER FOR THECAROUSEL TRACT (FORMER KAST PROPERTY TANK FARM)Submitted by Clifford W. Graves Approved by Jerome G. GroomesEconomic Development General Manager City ManagerI. SUMMARYThis report provides an update related to the activities associated with theenvironmental investigation of the Carousel Tract (formerly known as the KastProperty Tank Farm). The Los Angeles Regional Water Quality Control Board(Regional Board) is the lead agency overseeing Shell Oil Company (Shell) in theenvironmental investigation of the Carousel Tract. On June 28, 2010, theRegional Board issued a Tentative Clean Up and Abatement Order (CAO) for theformer Kast Property Tank Farm (Exhibit No. 1). A community meeting will beheld from 6:00 p.m. to 8:00 p.m. on Monday, July 19, 2010, at theCongresswoman Juanita Millender-McDonald Community Center to discuss theTentative CAO. Comment letters to the Regional Board must be received by 12:00noon on July 28, 2010. This agenda item will allow the City Council to discussand provide direction for any comments to be submitted by the city.II. RECOMMENDATIONDISCUSS and PROVIDE direction to staff regarding written comments on theTentative Clean Up and Abatement Order for the former Kast Property Tank Farm(Carousel Tract) to the Los Angeles Regional Water Quality Control Board.III. ALTERNATIVESTAKE another action the City Council deems appropriate.IV. BACKGROUNDFrom the early-1920s to the mid-1960s, the site (Exhibit No. 2) was owned andoperated by Shell as primarily a crude oil storage facility. The facility includedequipment to pump the oil to the nearby Shell refinery for processing from threeconcrete-lined oil storage reservoirs with a total capacity of 3.5 million barrels. Inthe mid-1960s the property was closed and sold by Shell. Subsequently, theproperty was developed into the Carousel neighborhood, containing 285 homes.The Regional Board has initiated the environmental investigation as a result ofpotentially significant and harmful contamination in the soils and groundwaterunderlying the Carousel Tract. Other participating agencies include the CaliforniaCity of Carson Report to Mayor and City CouncilJuly 20, 20102Department of Toxic Substances Control, Los Angeles County Department ofPublic Health, Los Angeles County Fire Department, Office of EnvironmentalHealth Hazard Assessment (OEHHA), Los Angeles Unified School District(LAUSD) and Los Angeles County Supervisor Mark Ridley-Thomas. Field workis being performed by URS and other contractors retained by Shell but approvedand monitored by the Regional Board. Additional field work is being performedby Environmental Engineering and Contracting (EEC), consultants working onbehalf of Girardi & Keese, a law firm retained by a substantial number of residentsof the Carousel Tract.TestingThe Regional Board has received reports on residential testing, testing atWilmington Middle School and additional testing done within the streets locatedwithin the Carousel Tract and surrounding neighborhoods. As of July 13, 2010,the following information summarizes testing within the Carousel Tract (ExhibitNo. 2):145 total homes have been screened for methane. (51%)􀂃 56 screened for methane (8/27/09 – 1/4/2010).􀂃 89 homes screened for methane (since work resumed 3/26/10).139 total homes have had soils sampled and vapor probes installed. (49%)􀂃 41 homes have had soils sampled and vapor probes installed (8/27/09 –1/4/2010).􀂃 96 homes have had soils sampled and vapor probes installed (since workresumed 3/26/10).105 total homes have had vapor probes sampled (37%).􀂃 41 homes have had vapor probes sampled (8/27/09 – 1/4/2010).􀂃 61 homes have had vapor probes sampled since work resumed 3/26/10).1 home had indoor air sampling.􀂃 0 homes have had indoor air sampling since testing resumed 3/26/10.􀂃 Access requested for four additional homes.11 Non – litigated homeowners have been contacted to schedule testing. One nonlitigatedhome was methane screened and soil sampled on 5/27/10. Crewswere unable to complete soil sampling as multiple borings were required.Completion date scheduled for July 20th.The projected time to complete the first round of residential sampling across theCarousel Tract is December 2010. To date, there is no consistent trend in thevertical distribution of contamination within the Carousel Tract. The RegionalCity of Carson Report to Mayor and City CouncilJuly 20, 20103Board is using the most protective cancer risk screening levels recommended bythe state and federal governments. In collaboration with the Office ofEnvironmental Health Hazard Assessment (OEHHA), the Regional Board hasdetermined that some residential properties have been identified withcontaminants that exceed the CHHSL (California Human Health Screening Level).On-Going Plume Delineation Activity on Public StreetsThe Regional Board has required Shell to investigate surrounding properties todetermine if contamination has extended beyond the Carousel Tract. Shell isproviding soil vapor sampling as follows:a. Collect soil vapor samples at five feet below ground surface fromapproximately 50 locations as follows: eight locations on Carmel Drive,two locations on Petaluma Lane, 20 locations on Island Avenue, 11locations along the railroad;b. Collect soil vapor samples from 15 and 20 feet below ground surface atevery fourth sampling location;1. An ongoing soil sampling from 12 deep soil borings on publicstreets; and2. Installation of additional five groundwater monitoring wells.Next StepsThe Regional Board continues to direct the efforts of Shell Oil Company related totesting and implementation of an interim remedial action plan. Documentation isavailable for public review at the Regional Board website located atwww.geotracker.ca.gov and a direct link has been provided from the city’s websiteat http://ci.carson.ca.us to facilitate the viewing of information related to theCarousel housing tract.On June 28, 2010, the Regional Water Quality Control Board, Los AngelesRegion, issued a Tentative Clean Up and Abatement Order (CAO) for the formerKast Property Tank Farm. The Regional Board has scheduled a communitymeeting for July 19, 2010, at the Congresswoman Juanita Millender-McDonaldCommunity Center to obtain preliminary comments on the Tentative CAO.Notices of the meeting were sent to the Carousel Tract, Monterey Pines and theproperties located on Island Avenue.City of Carson Report to Mayor and City CouncilJuly 20, 20104A phased clean up and abatement program has been called for in the TentativeCAO. There is an acknowledgement in the Tentative CAO that temporaryrelocation may become necessary to perform the remedial action associated withsoil removal activities. Temporary relocation may also be necessary to performindoor air sampling within the homes. Shell Oil Products US (Shell) has affirmedto the Regional Board that appropriate actions will be taken to minimize anyinconvenience and that residents will be compensated for any resulting expenses.The Pilot Test Work Plan must be submitted to the Regional Board by September15, 2010. The full-scale Remedial Action Plan is required to be submitted byOctober 30, 2010. The Regional Board anticipates that Shell will be able toquickly mobilize resources to implement the plans once approved.The Regional Board is seeking comments on the Tentative CAO by 12:00 noon onJuly 28, 2010. Shell will provide specific comments and evidence suggestingoptions for the clean up and abatement of total petroleum hydrocarbons and othercontaminants of concern within the Carousel Tract. This process will also providea substantive opportunity for the residents and their legal counsel, Girardi &Keese, and other community stakeholders to comment on the environmentalinvestigation and potential remedial actions to protect the residential community.This agenda item provides additional opportunity for public discussion anddirection from the City Council for any comments to be submitted by the cityrelated to the Tentative CAO.V. FISCAL IMPACTStaff costs due to the coordination of activities with the Regional Board andassociated parties.VI. EXHIBITS1. Tentative Clean Up and Abatement Order from Los Angeles Regional WaterQuality Control Board. (without exhibits) (pgs. 6-18)2. Site map. (pg. 19)3. Map of Carousel Houses Tested as of July 13, 2010. (pg. 20)Prepared by: Sheri Repp Loadsman, Planning Officersf:Rev061902Reviewed by:City Clerk City TreasurerAdministrative Services Development ServicesCity of Carson Report to Mayor and City CouncilJuly 20, 20105Economic Development Services Public ServicesAction taken by City CouncilDate___________ Action
The Los Angeles Regional Water Quality Control Board is the lead agency overseeing Shell Oil Company in the environmental investigation of the Carousel Tract. The Water Board has initiated the environmental investigation as a result of potentially significant and harmful contamination in the soils and groundwater underlying the Carousel Tract. The City does not have local regulatory authority and will assist the Water Board and other supporting state and county agencies in a thorough and rapid environmental investigation.

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