Special Permit

The Pipeline and Hazardous Materials Safety Administration has issued Special Permit DOT-SP-20222 in connection with certain MC-331 cargo tanks and cargo tank motor vehicles manufactured by Trinity Containers, LLC (now known as Arcosa Tank) during the time period 1999-2015. For a copy of DOT-SP 20222 please click here.

Pursuant to Section 8(g) of the special permit, Arocsa Tank will provide markings that conform to 49 CFR § 172.302 for the cargo tanks and cargo tank motor vehicles covered by this special permit. Arocsa Tank will also reimburse you for your time in applying the marking.

To determine if a barrel that you currently own, service, or recertify qualifies for a marking kit and reimbursement, please click here.

Step 1:

Click on the link above to determine if a cargo tank or cargo tank motor vehicle that you currently own, service, or recertify is covered by the special permit and qualifies for the marking kit and reimbursement.

Step 2:

If your barrel qualifies, please email us at This email address is being protected from spambots. You need JavaScript enabled to view it. to begin the marking process.

Step 3:

Arcosa Tank will send you a marking kit, which will include the following:

  • DOT-SP 20222 decal
  • Alcohol Surface Preparation Wipe
  • Plastic Decal Squeegee
  • Instruction Sheet

Step 4:

After Arcosa confirms application of the marking, we will send you a reimbursement payment.

Thank you for your time, and if you have any questions about Special Permit DOT-SP-20222,
please email us at This email address is being protected from spambots. You need JavaScript enabled to view it..

Copyright 2019, Arcosa Inc.