Two people who come into contact with a suspicious substance were decontaminated before entering the emergency room at Lehigh Valley Hospital in Salisbury Township Thursday.
The Lehigh County Haz-Mat Team and Salisbury police responded to assist in the investigation of a suspicious substance.
The two unidentified individuals, who arrived at the hospital shortly before noon, told police they came into contact with the substance while retrieving mail at the Kutztown post office.
One of them complained of a rash-type reaction on his or her arm. The rash was only visible on that arm, according to police.
The individuals were decontaminated before entering the hospital for treatment.
The suspicious substance and the vehicle the two people used to get to the hospital were transported to an isolated area, where the substance was examined by the Haz-Mat team.
Shortly before 3 p.m., investigators determined the suspicious substance was not hazardous.
Police did not identify the substance.
Also assisting at the scene were Lehigh Valley Health Network's emergency management team and the Allentown and Western Salisbury Township fire departments.
The hospital's emergency room remained open for business during the incident.