Clean Harbors Environmental Services, Inc. — Hazardous Materials Safety Interpretation

Page 1J.S. Department of Transportation 400 Seventh St., S.W. Washington, D.C. 20590 Research and Special Programs Administration FEB 1 8 2001 Mr. Paul M. Krug Ref. No. 00-0356 Manager, Transportation Compliance Clean Harbors Environmental Services, Inc. P.O. Box 859048 Braintree, MA 02185-9048 Dear Mr. Krug: This responds to your December 13, 2000 letter requesting clarification on the information authorized in a shipping description under §§ 172.202 and 172.203(c) of the Hazardous Materials Regulations (HMR; 49 CFR Parts 171-180). Specifically, you ask for clarification on where the waste code and letters "RQ" should be located in the proper shipping descriptions provided in your letter. As provided in § 172.203(c), the waste code used to identify the hazardous substance must be entered in association with the basic description, but should not be placed before the proper shipping name. The letters "RQ" must to be entered on the shipping paper either before or after the basic description. When entering the letters "RQ" and/or the word "Waste", they now become part of the sequence of a shipping description. Examples of proper shipping descriptions for the two products you asked about are: 1. For Waste Mercury: RQ, Waste Mercury, 8, UN 2809, PG III, (D009) Waste, Mercury, 8, UN 2809, PG III, RQ, (D009) 2. For Waste Toxic solid, inorganic, n.o.s.: RQ, Waste, Toxic solid, inorganic, n.o.s., 6.1, UN 3288, PG II (Lead sulfate, Silver chloride) (D008) Waste, Toxic solid, inorganic, n.o.s., 6.1, UN 3288, PG II, (Lead sulfate, Silver chloride), RQ, (D008) 000356#

Page 2RQ. Waste, Toxic solid, inorganic, i.o.s., (Lead sulfate, Silver chloride), 6.1, UN 3288, PG II, (D008) Waste, Toxic solid, inorganic, n.o.s., (Lead sulfate, Silver chloride), 6.1, UN 3288, PG II, RQ, (D008) I hope this answers your inquiry. Sincerely, Mes Transportation Regulations Specialist Office of Hazardous Materials Standards#

Page 3boothe §172.202 CleanHarbors §172.203(cXz) ENVIRONMENTAL SERVICES, INC. Shipping Papers 1501 WASHINGTON STREET, P.O. BOX 859048, BRAINTREE, MA 02185-9048 Visit our Website at www.cleanharbors.com (781) 849-1800 0C-0356 December 13, 2000 Mr. Edward Mazzullo USDOT - RSPA (DHM 10) Director, Office of Hazardous Material Standard 400 Seventh Street SW Washington DC 20590-0001 Dear Mr. Mazzullo: Clean Harbors Environmental Services, Inc. (CHES) is writing this letter requesting an interpretation of 49 CFR 172.202 and 172.203(c)(2) regarding information allowed in a shipping description. As stated in 49 CFR 172.202(b) the basic shipping description, the name, the hazard class, the ID umber and the packing group must be shown in the sequence with no additional informatio ntersperser Under 49 CFR 172.203(c) it is stated if the proper shipping name for a material that is a hazardous substance must be entered in parentheses in association with the basic description. hazardous substance does not identify the hazardous substance by name, the name of the hazardous substance. For hazardous waste, the waste code (e.g. D001) if appropriate, may be used to identify the Under 49 CFR 172.203©(2) it is stated the letters "RQ" shall be entered on the shipping paper either before or after, the basic description required by 49 CFR 172.202. CHESI is requesting interpretation from your office for the correct sequence shipping description to be entered on a Hazardous Waste Manifest that requires an RQ. The following are examples of various shipping descriptions that CHESI could apply to a manifest: RQ, (D009) Waste Mercury, UN 2809, PGIII or should it be entered as Waste, Mercury, 8 UN 2809, PG III (RQ DOO9). Another example is RQ, (D008) Waste Toxic solid, inorganic, n.o.s. 6.1, UN3288, PG II (Lead sulfate, Silver chloride), or RQ, Waste Toxic solid, inorganic, n.o.s. 6.1, UN3288, PG II (Lead sulfate, Silver chloride)(D008) and finally RQ, Waste Toxic solid, inorganic, n.o.s. (Lead sulfate, Silver chloride) 6.1, UN3288, PG II (D008). "People and Technology Protecting and Restorins America's Environment"#

Page 4When entering additional information like the letters RQ and or the word Waste, is this type of information consider part of the sequence of a shipping description? If any additional information is required or I can be of further assistance, please do not hesitate to contact me at (781) 849-1800 ext. 4213. Sincerely, Paul p. Krug Manager, Transportation Compliance#