SANTA CLARITA (CBSLA.com) — An overturned big rig leaked clay acid onto State Highway 126 in Santa Clarita on Tuesday.

The accident took place at 8:41 a.m. on the westbound side of the highway near Interstate 5, the California Highway Patrol said.

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Evacuations were ordered for nearby businesses after 50 to 75 gallons of the liquid spilled out of the truck.

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No storm drains have been affected, Los Angeles County fire officials said.

Highway 126 was closed between Commerce Center Drive and Vanderbilt Way.

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Around 4:30 p.m., the CHP said the eastbound 126 and the “Old Road” had reopened, but the westbound side was still closed.