A utility company employee in Pennsylvania opened an envelope containing an ‘unknown substance’, prompting a Hazmat responseMonday morning.
Emergency crews responded to the Peoples Gas building in the 300 block of North Shore Drive in Pittsburgh on Monday morning after an employee opened an envelope that contained an “unknown substance,” our sister station WPXI-11 reported.
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Around 300 employees sheltered in place while crews tested the substance.
Public safety officials said the substance was determined to be flour, WPXI-11 reported…