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Resident urges city to probe high dioxin findings on Thomas Street; DNR to require further work in Area A
Summary
A resident cited Ramboll soil results showing high dioxin TEQ in deep samples and asked the committee to seek a TEQ calculation for groundwater; city staff said the DNR found Areas B–D need no further action but Area A requires additional investigation and cleanup planning.
Tom Killian, a Wausau resident, told the Economic Development Committee on Feb. 3 that Ramboll’s environmental report for the Thomas Street corridor identified two deep soil samples (referred to as TS SB3 and SB4) with "exceptionally high dioxin TEQ levels, in the parts per billion." He urged the city to confirm whether those levels reflect contamination from groundwater and whether contaminated groundwater has infiltrated the city sanitary sewer and the Wisconsin River sediments.
"Because the groundwater has been infiltrating…
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