# PCS Sales, (USA) Inc — Hazardous Materials Safety Interpretation - **operation:** document - **citation:** 07-0071 - **title:** PCS Sales, (USA) Inc — Hazardous Materials Safety Interpretation - **source type:** guidance - **agency:** Pipeline and Hazardous Materials Safety Administration - **status:** guidance - **official:** true - **published on:** 2007-04-27 - **effective on:** Not available - **summary:** 07-0071 response to PCS Sales, (USA) Inc concerning 172.505, 172.516. - **machine formats:** - **json:** https://regulus.evalyn.ai/document/phmsa-interpretation-07-0071.json - **markdown:** https://regulus.evalyn.ai/document/phmsa-interpretation-07-0071.md - **app url:** https://regulus.evalyn.ai/document/phmsa-interpretation-07-0071 - **source url:** https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretation%20Files/2007/070071.pdf **body:** <<>> Praine and Hazardous 1200 New Jersey Avenue. S.E Washington. D.C. 20590 Materials Safety Administration APR : 7 2007 Ms. Tracey G. Smith Ref. No.: 07-0071 PCS Sales, (USA) Inc. 1101 Skokie Boulevard, Suite 400 Northbrook, IL 60062 Dear Ms. Smith: Hazardous Materials Regulations (HMR; 49 CFR Parts 171-180). Specifically, you ask where This is in response to your March 29, 2007 letter regarding placarding requirements under the on a transport vehicle a subsidiary hazard placard must be placed in relation to the primary hazard class placard with which it is associated. The HMR do not specify where the subsidiary hazard class placard must be placed in relation to the primary hazard class placard (i.e., above, below, to the left or right). Subsidiary hazard transport vehicle, freight container, portable tank, unit load device, or rail car. In addition, the placards, when required under § 172.50S, must be placed on each side and each end of the requirements for visibility and display of placards in § 172.516 apply to placards representing both primary hazards and subsidiary hazards. I hope this information is helpful. If you have further questions, please do not hesitate to contact this office. Sincerely, talk, shut Hattie L. Mitchell Chief, Regulatory Review and Reinvention Office of Hazardous Materials Standards 172.505 172 516 070071 <<>> Dollack age 1 ul Jarman, Erin Sent: Friday, March 30, 2007 9:59 AM Placarding To: INFOCNTR < PHMSA> 07-0071 Cc: Mannion, Doreen Subject: FW: Request for Formal Interpretation Sent: Thursday, March 29, 2007 3:13 PM From: TGSmith@potashcorp.com [mailto:TGSmith@potashcorp.com] To: HMIS Subject: Request for Formal Interpretation I am requesting a formal interpretation on the placement of placards for hazardous materials with subsidiary to right when they are placed horizontally? If the Placards are placed in a diamond pattern for example hazards. i.e. Does the primary hazard placard have to be placed to the far left so the placards are read from left subsidiary hazard be placed in relation the primary which position should the primary hazard be placed and were should the placement of the Tracey G. Smith PCS Sales, (USA) Inc. Sr. Trucking & Regulatory Compliance Coordinator TGSmith@potashcorp.com (847) 849-4358 3/30/2007 - **truncated:** false - **body characters:** 2363