SAN FRANCISCO (CBS SF) — Two workers were hospitalized and 24 others were treated for a variety of illnesses including itchy eyes, shortness of breath and nausea Friday at a hazardous material incident at a large recycling facility on the San Francisco waterfront, authorities said.

The incident was reported around 8 a.m. at Pier 96 — the location of a large recycling facility owned by Recology Corp. on the southern end of the San Francisco waterfront.

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Authorities declared the area a ‘hot zone’ and called in hazardous material teams as well as medical personnel.

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Fire officials said the incident was isolated to the pier so no shelter in place order was needed. A wide area around the site was also cordoned off.

A Recology spokesman said the facility sorts through recyclable material collected in blue bins from homes in San Francisco.

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San Francisco Fire Department spokesman Jonathan Baxter said just two of those afflicted required hospitalized. He said the scene was now safe.