BOLTON (CBS) – Hazardous materials crews responded to Nashoba Regional High School in Bolton on Sunday.

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WBZ NewsRadio 1030’s Doug Cope reports.

A package containing white powder was discovered in the boy’s bathroom around 10:30 a.m.

State Fire Marshal Stephen Coan said the substance found in the school was not hazardous. Twenty people, though, were decontaminated as a precaution.

“It was important to ramp up the presence here in case someone got sick later,” a fire department spokesperson said.

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As a result, there are no concerns for student safety, and everything will be on schedule at the school on Monday.

(Photo Credit: Doug Cope/WBZ NewsRadio 1030)

The material will soon be tested at DPH lab in Jamaica Plain as officials want to determine what the material was and why it was packaged in a way that raised concern.

No one was injured.

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Local and federal authorities are investigating.