Portable refillable tanks or containers used to ship cfc or hcfc refrigerants obtained with recovery equipment must meet what standard(s)?

Portable refillable tanks or containers used to ship cfc or hcfc refrigerants obtained with recovery equipment must meet Department of Transportation's standard. The standard is created to prevent potential pollution that could happen if the CFC or HCFC were leaked into the ocean.

The Nineteenth Amendment gave women the right to vote. Woodrow Wilson spoke in support of helping women vote, and after many years of women trying to get the right to vote, the amendment was officially passed in 1920.