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DEQ presentation flags common vapor intrusion pitfalls that delay occupancy
Summary
DEQ groundwater staff advised developers to follow VIMS guidance, provide full installation reports with pre-occupancy sampling and photos, and watch for common issues — missing or reversed fans, incomplete vent routing and confounding indoor sources — that can force resampling and delay occupancy.
Jordan, a groundwater professional presenting to Brownfields stakeholders, summarized common construction and sampling problems that delay occupancy of redevelopment projects and offered practical steps to reduce delays.
‘‘We really need a final installation report with pre-occupancy sampling in accordance with the VI matrix before we can give a green light to occupancy,’’ Jordan said, stressing that installation documentation and pre-occupancy field data are necessary for DEQ to…
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