For combination packages, can the gross mass of a PG I package be exceeded when filled with higher specific gravity of PG II,III material? RegSenseGeneral Packaging Requirements - HazmatPipeline and Hazardous Materials Safety Administration (PHMSA), DOTTransportationHazmat SafetyBest ResultsFAQGeneral Packaging Requirements - HazmatEnglishFocus AreaUSA
No. These provisions are for single and composite packagings only.['General Packaging Requirements - Hazmat']['General Packaging Requirements - Hazmat']