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Sub-slab gas test finds volatile compounds at 935 High Street but levels below human-health screening thresholds, staff says

5442367 · July 22, 2025
AI-Generated Content: All content on this page was generated by AI to highlight key points from the meeting. For complete details and context, we recommend watching the full video. so we can fix them.

Summary

A consultant-led sub-slab soil gas investigation at 935 High Street detected petroleum-related and chlorinated volatile organic compounds, but staff said concentrations did not exceed human health risk screening levels and closing is expected in early August.

City staff reported to the Economic Development Authority on Tuesday that testing at 935 High Street found petroleum-related and chlorinated volatile organic compounds (VOCs) but that concentrations did not exceed human-health screening levels used for redevelopment decisions.

A consultant performed a sub-slab soil gas investigation after a Sanborn map and…

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