Suspicious substance in South Beloit home not cyanide

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SOUTH BELOIT, Ill. (WIFR) -- Updated: Dec. 7, 2018, 3:20 p.m.

A white powdery substance found at a South Beloit home Tuesday was not cyanide, according to the Rockton Fire Protection District.

HAZMAT crews responded to a call for a suspicious substance Tuesday in the 500 block of Willow Lane. Officials say two workers were cleaning out the house of an owner who recently died when they discovered a suspicious substance.

The home was quarantined a few days ago as crews tested the area for sodium cyanide. The substance was later identified as dry mix Plaster of Paris.

The two workers were taken to the hospital and tested as a precaution, but both have been medically cleared.

The house was condemned and secured due to poor conditions.

The Illinois Environmental Protection Agency took a sample of the substance and sent it to a lab in Chicago for test, where the substance was deemed negative for cyanide.


Published: Dec. 4, 2018, 3:45 p.m.

Officials continue to investigate the area around a South Beloit home a few hours after a HAZMAT call on a white powdery substance.

Crews are testing for possible cyanide around the home, but have not been able to confirm the substance yet.

Two people had been moving belongings of a dead person's home in the 500 block of Willow Lane on Tuesday afternoon.

The powdery substance was noticed while the family was moving items, which led to the HAZMAT call.

Details are limited, but we will continue to update as more information becomes available.