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Carousel Tract

  Carousel Tract

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. 

For information on specific properties, please contact Teklewold Ayalew, Regional Water Quality Control Board at (213) 576-6739.  

For information regarding the Pilot Test Work Plan, click here 

City Council Workshop, Thursday, July 18, 2013
Carson Community Center, Community Hall AB

Community Meeting Notice (English and Spanish)
Fact Sheet_May 2013 (English)

January 25, 2012 Informational Workshop Documents

 RWQCB PowerPoint Presentation
 Response to Questions

Residential Sampling Activity

As of  March 21, 2014, the completed Residential Sampling Activity is as follows:

  • 270 homes have been screened for methane. (95%)
  • 270 homes have had soils sampled and vapor probes installed. (95%)
  • 270 homes have had sub-slab soil vapor probes sampled (95%).
  • 250 homes have had indoor air sampling. (88%)
  • 230 of 250 homes have had their 2nd round of indoor air sampling. (92%)

There are a total of 285 homes within the Carousel neighborhood. For further information, please visit the following website and view the City Council reports for updates on the environmental investigation.

To review all reports and documents pertaining to the ongoing investigation, visit:

*If you are represented by legal counsel,  all residential sampling reports are sent directly to your counsel and made available on geotracker.

Last updated on 10/23/2013

 Delivery Tracking Table for Residential Reports

 Indoor Air Sampling

 Indoor Air Sampling Work Plan: Methods and Procedures
 Instructions to Occupants re: Indoor Air Sampling, October 19, 2010

 Tract Vicinity Map
 Tract Location Map

If you have any questions or would like to contact the city in regards to the investigation, please contact Ky Truong, Public Safety and Community Services Manager at or 310-952-1786.


Carousel Community Outreach Video


The environmental investigation of the former Kast property (Carousel Neighborhood) includes sampling individual properties for the presence of methane, benzene and other compounds.

Click Here for a 10-minute video providing detailed information about the 5-step sampling and testing process for the Carousel properties.

 Brief Descriptions of the Air, Soil, and Soil vapor Sampling Process

 October 19, 2010


Final Clean-up and Abatement Order

  On March 11, 2011, the Regional Board issued Final Cleanup and Abatement Order (CAO) No. R4-2011-0046, directing Shell Oil Company to assess, monitor, and cleanup and abate total petroleum hydrocarbons and other contaminants of concern discharged to soil and groundwater at the former Kast Property Tank Farm.
  Final Clean-up and Abatement Order
Site Vicinity Map


City Council Report

City Council Staff Report Dated Tuesday, April 01, 2014
City Council Staff Report Dated Tuesday, March 18, 2014
City Council Staff Report Dated Tuesday, March 04, 2014
City Council Staff Report Dated Tuesday, February 18, 2014
City Council Staff Report Dated Tuesday, February 04, 2014
City Council Staff Report Dated Tuesday, January 21, 2014