Delaware City-State investigators are still looking into the spill of less than 100 gallons of sulfuric acid on Del. Route 9 by a tractor-trailer tanker that sent several individuals, including two state troopers and nine utility workers, to a medical center for checkups, and shut down traffic for several hours. Environmental Control Program Manager Ellen Malenfant said the truck was bound for the DuPont Red Lion sulfuric acid plant, which recycles the used acid in an independent facility. Malenfant said the incident turned out to be minor and the spill itself was cleaned up by crews using an absorbent material. The remaining acid was safely unloaded at the plant. She said the leak definitely came from a valve on top of the truck, but the whole matter is still under investigation.
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