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Town staff review 2024 synthetic‑turf tests; zinc flagged and arsenic measurement questioned
Summary
Needham staff reviewed 2024 testing of synthetic turf at town fields; one zinc sample exceeded a DEP threshold and the lab used a more sensitive method for arsenic that complicated year‑to‑year comparisons. Board asked staff to request repeat testing with consistent methods and consider more frequent sampling.
Town environmental staff presented the 2024 synthetic‑turf testing reports for Needham fields, noting metal concentrations mostly consistent with 2023 but flagging a higher zinc reading at Memorial Field and an arsenic measurement complicated by a lab method change.
Tara (environmental staff) summarized results: semi‑volatile and volatile organic compound levels were consistent or lower than 2023; metal concentrations were mostly consistent but two analytes—zinc and arsenic—showed increases in the 2024 report. She said the laboratory told town staff that equipment availability affected which analytical…
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