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Billing Code - PHMSA - Department of Transportation

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Section 172.203<br />

This section details additional description requirements that are required for certain<br />

shipments <strong>of</strong> hazardous materials. <strong>PHMSA</strong> is amending paragraph (i)(3) to cross reference<br />

the IBR § 171.7.<br />

Section 172.301<br />

This section details the general marking requirements for non-bulk packagings.<br />

Specifically, this section states what information (proper shipping name and identification<br />

number, technical names, consignee’s or consignor’s name, etc.) must be displayed on the<br />

outside <strong>of</strong> non-bulk packages. While the HMR requires that an identification number,<br />

preceded by “UN” or “NA” as appropriate, be marked on the outside <strong>of</strong> a non-bulk<br />

packaging a specific size <strong>of</strong> this marking is not specified.<br />

In this final rule, <strong>PHMSA</strong> is adding specific size requirements for the “UN” or<br />

“NA” markings. These markings must be marked in characters at least 12 mm (0.47<br />

inches) high, however, packages with a maximum capacity <strong>of</strong> 30 liters (7.92 gallons) ,30<br />

kg (66 pounds), or cylinders with a maximum water capacity <strong>of</strong> 60 liters (16 gallons) must<br />

be marked with characters at least 6 mm (0.2 inches) high and packages having a<br />

maximum capacity 5 liters (1.32 gallons) or 5 kg (11 pounds) or less must be marked in a<br />

size appropriate for the size <strong>of</strong> the package.<br />

<strong>PHMSA</strong> is adopting this minimum size marking for the “UN” or “NA” markings to<br />

align with newly adopted requirements in the 17 th Revised Edition <strong>of</strong> the UN Model<br />

Regulations. <strong>PHMSA</strong> recognizes the importance <strong>of</strong> establishing a minimum size<br />

requirement for the internationally recognized “UN” identification number marking<br />

system. Without a minimum size requirement for hazard communication, shippers may<br />

67

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