173.115
Section §173.115: Class 2, Divisions 2.1, 2.2, and 2.3-Definitions
Below are the available interpretations and guidance for the given section. To return to the list of parts, use the Parts link above. If you do not see any guidance or interpretation information below, that means there is none available for the given part/section. Return to the search page to browse additional regulations sections.
PHMSA has published several Frequently Asked Questions (FAQ) documents on regulatory topics. Please review our FAQ documents below:
https://www.phmsa.dot.gov/about-phmsa/phmsa-faqs.
Additionally PHMSA has Hazardous Materials FAQs based on letters of interpretation on the following topics:
- Applicability of the Hazardous Materials Regulations
- Hazardous Materials Incident Reporting
- Hazardous Materials Training Requirements
This section of the website provides the ability to find regulations information including regulations parts, content of sections, and interpretations for regulations sections. Below is a list of parts, identified by the part number and subject. To browse sections by part, click on the subject link below. You will be taken to the eCFR website to view sections for a part.
A written regulatory interpretation, response to a question, or an opinion concerning a pipeline safety issue may be obtained by submitting a written request to the Office of Pipeline Safety (PHP–30), PHMSA, U.S. Department of Transportation, 1200 New Jersey Avenue SE., Washington, DC 20590–0001 or at the email address: pipeline_interp_submittal@dot.gov. In addition to email address, the requestor must include his or her return address and should also include a daytime telephone number. Requests should be submitted at least 120 days before the time the requestor needs a response.
Note: electronic submission is provided as alternative to the 49 CFR Part 190.11(b) mail-in requirement.
The regulations text of the section can be found on the eCFR website. To view the regulations text, use the link below. For assistance, please send an email to PHMSA.Webmaster@dot.gov.
Interpretation Responses
Ref ID | Date | Company Name | Individual Name | Response Document |
---|---|---|---|---|
23-0096 | Airborne Labs International, Inc. | Aniyah Volpe | View | |
21-0033 | Hunter Aviation International, Inc. | John Lusa | View | |
19-0045 | Maryland Department of Environment | Michael Polinski | View | |
19-0038 | The Chemours Company | Randolph Martin | View | |
18-0054 | Gayston Corporation | Dave Schmitz | View | |
18-0031 | The Chemours Company | Mr. Randolph Martin | View | |
17-0115 | C.H.&I Technologies, Inc. | Eric WIlliams | View | |
07-0143 | PerkinElmer Optoelectronics | Mr. David Harmon | View | |
11-0287 | USA Shooting | Mr. Robert K. Mitchell | View | |
12-0183 | Bureau of Explosives, TTC, Inc | Mr. Paul Draper | View | |
11-0169 | Duke Energy Corporation | Mr. Charles Denny | View | |
10-0012 | Detector Electronics Corporation | Mr. Jon Varner | View | |
98-0186 | Exxel/Atmos, Inc. | Mr. John A. Del Grosso | View | |
98-0518 | Wastewater, Soil & Gas Analysis Inc. | Dr. Kuldeep Verma | View | |
08-0237 | OxLife LLC | Mr. Stuart H. Bassine | View | |
15-0234 | GBLTSC Inc. an ENCISO Industries Co. | Mr. Oscar Enciso | View | |
09-0264 | Kelly Aerospace | Mr. Mark Mertes | View | |
08-0239 | Thermo Fisher Scientific Customer Channels Group | Mr. Gene Sanders | View | |
11-0046 | Chart Industries | Mr. Dan Bricker | View | |
04-0053 | Inogen Inc | Mr. Robert S. Fary | View | |
11-0006 | Stolt Tank Containers | Mr. John Cario | View | |
09-0223 | Hydrotest Tech. | Mr. David A. Wright | View | |
04-0093 | Sovereign Specialty Chemicals | Mr. Kevin W. Johnston | View | |
06-0180 | HMT Associates, L.L.C | Mr. E.A. Altemos | View | |
09-0242 | DGD Inc. | Mr. Luis Lopez | View | |
11-0052 | Honeywell Inc. | Ms. Claire Matlon | View | |
05-0215 | SeQual Technologies, Inc. | Ms. Pamela J. Jackson | View | |
11-0088 | Honeywell International, Inc. | Ms. Carrie Wayne | View | |
10-0055 | MidAmerican Energy Holdings Company | Mr. Douglas E. Lunstra | View | |
15-0044 | Northern Air Cargo | Mr. Mark Smith | View | |
08-0266 | International Biophysics Corporation (IBC) | Mr. William R. Wilkinson | View |