Anthrax hoax letter sent to Arm & Hammer

The Princeton Township, New Jersey, offices of Church & Dwight Co., the makers of Arm & Hammer baking soda, recently received an envelope containing a suspicious white powder.

Township police were called to the site at approximately 11 a.m. to investigate the situation, according to They then called the local fire department, which dispatched a hazardous materials team to evaluate the substance.

Sergeant Michael Cifelli of the Princeton Township police told that no injuries were reported, but that he was unsure of how many people might have been exposed to the substance. Church & Dwight did not comment on the incident.

The letter came from an outside source and was opened by an employee in the company’s environmental services division.

”He opened it up and out came this white powdery substance,” Cifelli said, reports.

The building was placed on lockdown and approximately 120 employees were quarantined for 90 minutes. The substance was later determined to be powdered sugar.

Additional notifications about the incident were made to the New Jersey State Police, the Federal Bureau of Investigation and the Department of Homeland Security, according to

The same day, in an apparently unrelated case, Princeton Borough police were called to the delivery area of the Princeton Medical Center to investigate another suspicious substance. The material in this instance turned out to be a type of adhesive not regularly used in packaging. Police are still investigating.

In 2001, five people were killed and 17 others sickened in a series of anthrax letter attacks that utilized the U.S. mail. Several of the letters were sent from a mailbox in Princeton.