Hope, Ark. — An anhydrous ammonia leak in an Airgas Inc. tanker-truck parked overnight July 16 in a Walmart parking lot in Hope, Ark., caused evacuation of the store from 10:00 p.m. to 11:30 a.m. the following day and closed at least two nearby businesses, according to the Arkansas highway police. A Walmart employee rounding up shopping carts noticed it and called the state police about 10 p.m. The next morning the ammonia was off-loaded into another tanker and the leaking unit was moved to the airport for a closer inspection and repairs. The tanker had been on its way to a Southwestern Electric Power Co. plant in Fulton.
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