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Details on Site Sampling and Testing

Groundwater Sampling

22 samples from 16 monitoring wells


Soil Gas Sampling

228 sample locations

452 total samples


Soil Sampling

78 locations

645 total samples


Site Assessment Milestones


January: Engineering submits Site Assessment Work Plan to DTSC

March: DTSC approves Site Assessment Work Plan

April: Engineering publishes Press Release—Site Assessment work beginning/geophysical survey begins

May: Fact sheet including a Project Schedule with site testing information posted to

June: DTSC publishes public work notice—soil and soil gas sampling begins

September: All sampling activities complete

October: Lab results complete

November: Draft Report of Findings Submitted to DTSC

December: DTSC review of Draft Report of Findings



February: DTSC comments on Draft Report of Findings was submitted to Engineering

May: Site Assessment results presented to the public

June: Final Report of Findings submitted to DTSC



DTSC to review and approve Response Plan

Cleanup begins