Chemistry/Physics Department

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Mission Statement

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Chemistry/Physics Home

Arts and Sciences Homepage

Identification Number

UN or NA preceding a number indicates the identity of the chemical. UN indicates internationally transported chemicals while NA refers to those only transported in the US and Canada. In addition to these placards the UN number may also be inset into the appropriate placard.

UN Placards

Figure 3 Examples of UN numbers with hazardous materials placards.

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Departments


	Mission Statement Courses Instructors Resources Links Chemistry/Physics Home Arts and Sciences Homepage		Identification Number UN or NA preceding a number indicates the identity of the chemical. UN indicates internationally transported chemicals while NA refers to those only transported in the US and Canada. In addition to these placards the UN number may also be inset into the appropriate placard. Figure 3 Examples of UN numbers with hazardous materials placards.