# ONDEO Nalco Company — Hazardous Materials Safety Interpretation **Citation:** 03-0079 **Type / status:** guidance / guidance **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective:** Not stated **Published:** 2003-04-16 03-0079 response to ONDEO Nalco Company concerning 172.203. ## Document text <<>> f Transportatic S. Departmel 400 Seventh St., S.W. Research and Washington, D.C. 20580 pecial Program dministratia APR 1 6 2003 Ms. Anita S. Knight Corporate Regulatory Biologist Ref. No. 03-0079 Naperville, IL 60563-1198 Dear Ms. Knight: This is in response to your March 14, 2003 letter and requesting clarification of the provisions in S 172.203(c) and subsequent telephone conversation with a member of my staff 171-180). (k) of the Hazardous Materials Regulations (HMR; 49 CFR Parts name identifying the hazardous substance may be listed on the Specifically, you ask if the technical name and shipping paper in the same set of parentheses. hazardous substances may be placed in a single set of The answer is yes. Technical names and the names representing parentheses. identifying the hazardous Section 172.203(c) and (k) require the name proper shipping name, and the technical name to be entered in substance, if not identified by the parentheses in association with the basic description. I hope this satisfies your request. Sincerely, Office of Hazardous Materials Standards 172.203 030079 <<>> 03/14/03 FRI 14:22 FAX 630 305 2986 ENVIRN BLTH SFTY 2001 ONDEO BAH Nalco §172.202 § 172.203 March 14, 2003 Shipping Papers Mr. Edward T, Mazzailo Directory, Office of Hazardous Materials Standands 03-0079 400 7 Street S. W. U.S. DOT/RSPA (DHM-10) Washington, D.C. 20590-0001 Subjoct: 49 CFR 172.203 (c)(2), Additional Description Requirements ONDEO Nalco Company Dear Mr. Mazzullo: Naperville, IL 60563-1198 Ondeo Nalco Center Please confirm the format for including a hazardous substance in the basic description on a Fax: 630-305-2900 Tel: 630-305-1000 shipping paper. According to 49 CFR 172.203: (I) Except for Class 7 (radioactive) materials described in accordance with paragraph (d) of this section, if the proper shipping name for a material that is a hazardous substance does not identify parentheses in association with the basic description. If the material contains two or more the hazardous substance by name, the name of the hazardous substance must be entered in reportable quantities (ROs), must be identified. For a hazardous waste, the waste code (e.g., hitardous substances, at least two hazardaus substances, including the swo with the lowest DoOl)re!! appropriate, may be used to identify the hazardous substance. description required by §172.202 for each hazardous substance (see definition in §171.8 of this (2) The letters "RO" shall be entered on the shipping paper either before or after, the basic substance, solid, r.o.s.. 9, UN 3071, III, RO (Adipic acid)". subchapter). For example: "RO. Allyl alcohol, 0.I, UN 1098, I"; or "Environmentally hazardous Specifically, does "in parentheses in association with the basic description" mean the RQ the hazardous material? Or must the hazardous substance be separated from the rest of the component can be included in the same parentheses as the hazardous components) contained in description and listed in separate parentheses at the end? The examples above in 172,203(c) (2) encounter. For example, is it wrong to print the shipping description with the RQ for naphthalene and in several previous letters of interpretation do not include the circumstances that we usually any reasonable format provided it is clcarly part of the entry", as DOT has qualified in other letters per the following? This would seem to meet the criterion of following the "basic description in of interpretation on this section (contains isopropanal, pctroleum distillate, naphthelene) 3 UN1993 PG II KQ Hammable ligail, 10.E. Thank you for your prompt response. Yours truly, Quite Stight • Corporate Regulatory Biologist Anita S. Knight 630-305-1080 Environment, Health & Safety Deparment sVez ## Provenance - Official: Yes - Source: - Source ID: `phmsa` - SHA-256: `c0c1bcb085f1513f520c71a0145b0b9b204698fabd54321de6e56d1a645ef061` - Retrieved: 2026-08-20T00:59:31.977Z - Exported: 2026-08-22T13:56:07.492Z - Document slug: `phmsa-interpretation-03-0079` ### Source metadata ```json { "materialSubtype": "interpretation", "interpretationArea": "hazardous_materials", "representation": "full_text_from_official_pdf", "companies": [ "ONDEO Nalco Company" ], "individuals": [ "Ms. Anita S. 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