• The specifications for the appearance of the orientation arrows within the domestic regulations of USDOT/PHMSA can be found at 49 CFR 172.312(a)(2).  Orientation arrows must be:
  • Similar to illustration shown (see below for example).
  • Black or red on white or other contrasting background.
  • Commensurate with size of package.  Exact dimensions are not specified.
  • Rectangular border around arrows is optional.

• Specifications for appearance within IATA Dangerous Goods Regulations (transport by air) are at 7.2.4.4.
  • Same specifications as shown at 7.4.D or 7.4.E. (see below for images from IATA Dangerous Goods Regulations).
  • Also acceptable are pre-printed package orientation labels of the same specifications as Figure 7.4.D or 7.4.E (ISO Standard 780:1997).
  • Black or red on white or other contrasting background.
  • Minimum dimensions of 74 x 105 mm.
  • “THIS END UP” or “THIS SIDE UP” may be displayed on top of package.
  • “Dangerous Goods” may be inserted on the label below the line.

• Specifications for appearance within IMO Dangerous Goods Code (transport by vessel) at 5.2.1.7.
  • Similar to illustration shown (see below for image from IMO Dangerous Goods Code).
  • Also acceptable are package marks meeting the specifications of ISO 780:1997
  • Rectangular
  • Of a size that is clearly visible commensurate with the size of the package.  Exact dimensions are not specified.
  • Black or red on white or other contrasting background.
  • Rectangular border is optional.

In all cases there must be two arrows and they must be displayed on two opposing sides.

I hope this helps.  Please contact me with any other questions.

Conclusion:

That seemed to do it.  I hope he was able to incorporate the arrows into the blow mold the way he intended.  While I enjoy informing people of the regulations, I enjoy it even more when they are able to save money and improve their business because of it.