Guidanceguidance
03-0029
Carleton Technologies, Inc. — Hazardous Materials Safety Interpretation
Current as of source date Government source
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Page 1Transportatic S. Departme 400 Seventh St., S.W. Washington, D.C. 20590 FEB 27 2003 Design/Development Engineer Mr. John Szymanski Reference No.: 03-0029 Carleton Technologies, Inc. 10 Cobham Drive Orchard Park. NY 14127-4195 Dear Mr. Szymanski: This is in response to your letter requesting clarification of the limited quantity exception for "Helium, compressed, 2.2, UN 1046" under the Hazardous Materials Regulations (HMR; 49 capacity of two cubic inches, at a pressure of 7,000 psig, and will be transported by motor CFR parts 171-180). Your letter states that the helium is in non-refillable cylinders with a vehicle. When transported by highway, § 173.306(a)(1) excepts limited quantities of certain compressed ackaging requirements when packaged in containers of not more than 4 fluid ounces capacit gases from labeling (except when intended for further transportation by air) and the specification (7.22 cubic inches or less) except cigarette lighters. Each package must conform to the general addition, shipments of compressed gases packaged in limited quantities must meet all other requirements in 9$ 1/3.24 and 173.24a, and may not exceed 30 kg (66 pounds) gross weight. In requirements in the HIMR from which they have not been excepted. I hope this satisfies your request. Sincerely, Hathe z. mitches Hattie L. Mitcheil Chief, Regulatory Review and Reinvention Office of Hazardous Materials Standards 173,306 030029#
Page 2Feb. 5. 2003 3:17PM No.0666 P. 2 Carleton Technologies Inc -EARLETON -, ) Cobham Dri Telephone 716-662-0006 chard Park New York 14127-415 Corbin FAX 716-662-0747 $173.306 Limited Quantities February 5, 2003 03-0029 400 7* Street SW U.S. Department of Transportation Attention: DHM-10 Washington, DC 20590-0001 Attention: Edward T. Massullo USDOT/RSPA, DHM-10 Director, Office of Hazardous Materials Standards Subject: Request for Letter of Interpretation Dear Mr. Massullo: shipped level) and B44637-1 (filled bottle subassembly level) to ship under CFR 49 section 173.306 Carleton Technologies Inc. requests a letter of interpretation on Carleton P/N B44636-3 (assembled, Limited quantities of compressed gases. than 4 fluid ounces capacity (7.22 cubic inches or less)..." My sein by to kin pa leage of empretation more untie pours per 73.08. you eure tore information pertaining 10 this matter, please call at 716-667-6277. If you require more Sincerely. Design/Development Engineer John Szymanski#
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