PHMSA-2009-0238 (HM-224G): Hazardous Materials: Chemical Oxygen Generators; Final rule; confirmation of effective date.

Summary: PHMSA is confirming the effective date of its direct final rule, published under Docket No. PHMSA-2009-0238 (HM-224G) on October 15, 2009, to amend the Hazardous Materials Regulations by revising the quantity limitation from 25 kg ``gross'' to 25 kg ``net'' for packages of chemical oxygen generators transported aboard cargo aircraft only. The direct final rule stated that it would become effective on November 16, 2009 unless an adverse comment or notice of intent to file an adverse comment was received by November 16, 2009. PHMSA did not receive any adverse comments or notice of intent to file an adverse comment to its October 15, 2009 direct final rule.

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