Table B-6. Estimated Measures of Reliability for Shipment Characteristics by Three-Digit Commodity for the United States: 2002

Table B-6. Estimated Measures of Reliability for Shipment Characteristics by Three-Digit Commodity for the United States: 2002

[For explanation of terms and meaning of abbreviations and symbols, see introductory text]

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SCTG
Code
Commodity description (3-digit) Value Tons Ton-miles CV of Average miles per shipment
CV Std. error of percent CV Std. error of percent CV Std. error of percent
  All commodities 1.3 2.0 3.7 2.9
010 Live animals and live fish 21.1 24.5 26.0 18.3
021 Wheat 11.4 10.9 0.1 12.2 0.2 17.3
022 Corn, except sweet 9.7 10.0 0.3 23.4 1.2 17.5
029 Other cereal grains 17.4 17.6 0.1 24.6 0.2 15.6
031 Fresh or chilled potatoes (Irish potatoes), except sweet 19.5 21.9 34.7 - 32.7
032 Fresh or chilled edible vegetables, except potatoes (Irish potatoes), and 13.2 14.5 19.8 0.1 36.4
033 Fresh, chilled, or dried edible fruit and nuts 30.9 0.1 35.6 25.7 0.2 15.9
034 Soya beans 8.9 8.6 0.1 14.6 0.3 18.9
035 Oil seeds and nuts, except olives and soya beans 35.5 31.1 46.1 21.9
036 Bulbs, live plants, and seeds for sowing, n.e.c 17.5 29.3 39.3 13.2
039 Fresh-cut flowers, plants, and parts of plants, and other agricultural 15.7 27.5 25.9 S
041 Cereal straw or husks, forage products, residues and waste from the food 12.2 18.0 0.1 16.4 0.1 S
042 Animal feed preparations 12.3 19.1 0.2 12.9 0.1 21.4
051 Meat including poultry, except preparations 4.5 0.1 4.6 6.6 13.1
052 Fish, except live, and seafood, except preparations 13.2 10.8 18.8 32.8
053 Preparations, extracts, and juices of meat, fish, or seafood 21.9 37.4 S S 30.3
061 Wheat flour, groats, and meal 19.2 22.4 21.5 17.1
062 Malt, starches, inulin, wheat gluten, and milled or otherwise worked 16.8 17.9 18.5 0.1 14.2
063 Food preparations of cereals, flour, starch, or milk 15.0 19.0 17.1 0.1 10.0
064 Bakery products 9.2 16.3 12.0 32.5
071 Dairy products, except chocolate milk, eggnog, and food preparations of milk 10.1 0.1 14.7 0.1 7.9 29.2
072 Processed or prepared vegetables, fruit, or nuts, except dried or milled, 9.7 11.6 15.8 0.2 21.6
073 Coffee, tea, and spices, except unprocessed coffee and unfermented tea 21.5 26.0 33.7 17.9
074 Animal or vegetable fats and oils and their cleavage products, prepared 10.9 11.3 10.1 11.2
075 Cane, beet, and other sugars in solid form, sugar syrups not containing 11.6 17.4 23.0 0.2 10.5
076 Confectionery, cocoa, and cocoa preparations 8.5 9.8 9.9 14.6
077 Edible preparations, n.e.c. and vinegar 9.3 10.6 15.5 0.1 11.8
078 Nonalcoholic beverages, n.e.c. and ice 8.8 10.7 0.1 16.8 0.1 38.5
081 Malt Beer 5.7 5.9 18.6 10.3
082 Wine and other fermented beverages 8.8 12.5 17.0 15.2
083 Spirituous beverages and ethyl alcohol 9.5 13.4 20.6 11.2
090 Tobacco products 14.4 0.1 29.9 36.3 22.1
100 Monumental or building stone, except dolomite 29.1 29.9 22.1 16.9
110 Natural sands, except metal-bearing 6.8 9.1 0.4 11.8 0.1 10.5
120 Gravel and crushed stone, except dolomite and slate 6.7 9.0 1.2 10.5 0.3 7.6
131 Salt 35.6 28.1 32.9 0.1 14.5
132 Natural calcium phosphates, natural aluminum-calcium phosphates, and 19.8 32.5 27.2 33.8
133 Dolomite 24.9 27.1 0.2 45.5 0.3 39.5
139 Other nonmetallic minerals 13.3 11.6 15.1 0.1 15.6
141 Iron ores and concentrates 15.4 14.9 0.1 20.2 0.4 13.2
149 Other metallic ores and concentrates 17.4 35.8 32.0 16.5
151 Nonagglomerated bituminous coal 8.2 9.1 0.8 16.9 2.4 8.5
159 Other coal 14.3 16.0 0.1 35.5 S
171 Gasoline 4.8 0.2 5.5 0.5 10.7 0.4 10.3
172 Aviation turbine fuel (types A and B) 16.1 17.2 0.1 22.3 18.0
180 Fuel oils 6.0 6.0 0.3 10.1 0.2 13.5
191 Lubricating oils and greases 13.8 16.6 25.0 25.8
192 Refined petroleum oils and oils obtained from bituminous minerals, n.e.c 14.6 16.7 0.1 22.7 30.1
193 Gaseous hydrocarbons 14.6 14.9 0.1 19.3 0.1 39.9
199 Other products of petroleum refining, and coal products 11.8 15.4 0.4 17.3 0.3 23.2
201 Sodium hydroxide (caustic soda) and potassium hydroxide (caustic potash) 10.8 13.7 15.2 18.8
202 Inorganic chemicals, n.e.c. 8.3 16.3 0.2 16.7 0.2 20.2
203 Cyclic hydrocarbons 24.7 28.7 18.8 19.4
204 Phenols, phenol-alcohols, aldehydes, cyclic polymers of aldehydes, 14.6 42.5 0.1 13.8 16.9
205 Organic chemicals, n.e.c 13.7 0.1 17.4 0.2 20.7 0.3 14.6
210 Pharmaceutical products 9.5 0.5 16.7 21.0 5.7
220 Fertilizers and fertilizer materials 16.9 30.2 0.7 24.7 0.7 28.4
231 Paints and varnishes, tanning or dyeing extracts, tannins and their 14.8 16.2 28.3 0.1 11.2
232 Essential oils and resinoids, and perfumery, cosmetic, or toilet preparations 10.7 13.7 17.3 8.0
233 Soap, organic surface-active agents, cleaning preparations, polishes and 11.0 12.7 13.8 9.2
234 Photographic film, plates, paper, paperboard, or textiles, and chemical 17.5 17.7 22.5 26.5
235 Insecticides, rodenticides, fungicides, herbic 15.9 23.9 24.3 13.1
239 Other chemical products and preparations. 13.3 14.0 15.5 0.1 7.9
241 Plastics in primary forms, rubber in primary forms or sheets, and 9.6 7.6 8.5 0.1 10.1
242 Manmade fibers and plastics basic shapes and articles 3.6 4.7 5.7 6.9
243 Rubber articles 12.9 0.1 14.9 26.4 0.1 9.2
250 Logs and other wood in the rough 24.2 S S 34.4 S
261 Wood chips or particles 25.6 25.3 0.2 33.0 13.7
262 Lumber, wood continuously shaped along any of its edges or faces, and 7.9 8.6 0.1 10.4 0.2 15.1
263 Veneer sheets and sheets for plywood, particle board, fiberboard, plywood, 6.6 8.6 20.5 0.3 14.4
264 Builders joinery and carpentry of wood, except shingles and shakes 19.9 0.1 15.4 24.0 13.9
269 Other wood products 10.2 18.6 42.6 16.3
271 Pulp of fibrous cellulosic materials 24.2 27.2 36.3 0.1 22.6
272 Newsprint in large rolls or sheets 8.7 8.5 9.8 10.0
273 Uncoated paper and paperboard in large rolls or sheets 5.9 6.7 5.4 14.9
274 Coated, impregnated, treated, or worked paper and paperboard, in large 9.8 12.3 15.2 0.1 10.2
280 Paper or paperboard articles 4.0 5.2 8.5 9.5
291 Printed books, brochures, leaflets, and similar printed products 15.7 0.1 12.1 13.5 4.7
292 Newspapers, journals, and periodicals 14.5 13.1 14.9 13.5
293 Advertising material, commercial or trade catalogues, and similar printed 7.5 15.6 13.4 7.4
299 Other printed products 8.3 18.8 14.4 5.4
301 Textile fibers, yarns, and broadwoven or knitt 8.8 14.0 11.3 5.2
302 Textile clothing and accessories, and headgear, except safety 9.0 0.3 11.3 30.3 0.1 3.4
303 Textiles and textile articles, n.e.c 9.1 0.1 10.9 11.3 4.1
304 Footwear. 27.6 0.1 19.0 18.1 4.5
305 Leather and articles, luggage of related materials, and dressed furskins 22.1 S S S S 5.8
311 Hydraulic cements 11.2 11.9 0.1 18.8 7.6
312 Ceramic products 21.1 29.9 0.1 38.1 0.3 9.3
313 Glass and glass products 13.0 37.9 0.2 19.2 0.1 17.0
319 Other nonmetallic mineral products 10.0 11.6 0.7 17.2 0.4 12.3
321 Iron and steel in primary forms, in semifinished forms, or in powders or 10.6 16.7 13.5 14.8
322 Flat-rolled products of iron or steel 7.3 8.0 0.1 8.4 0.2 8.5
323 Bars, rods, angles, shapes, sections, and wire, of iron or steel 10.0 9.5 14.1 0.1 8.0
324 Nonferrous metal, except precious, in unwrought forms, in finished basic 7.4 22.3 0.1 17.6 0.2 8.6
331 Pipes, tubes, and fittings 6.5 19.9 10.0 13.1
332 Structures and parts, except prefabricated buildings 8.7 10.5 14.6 7.7
333 Handtools, cutlery, except of precious metals, interchangeable tools for 5.8 11.3 15.4 8.1
339 Other articles of metal 11.4 24.8 21.5 8.6
341 Internal-combustion piston engines 12.3 0.1 13.5 10.4 16.7
342 Turbines, boilers, nuclear reactors, and nonelectric engines and motors, 14.9 18.1 18.6 8.5
343 Pumps, compressors, and fans, and ventilating or recycling hoods 13.0 15.7 20.9 8.4
344 Air-conditioning, refrigerating, or freezing equipment 10.3 14.7 17.0 16.4
345 Materials-handling, excavating, boring, and related machinery and equipment 7.9 9.7 10.9 8.8
349 Other machinery 9.4 0.2 15.8 17.0 8.4
351 Electric motors, generators, generating sets, rotary converters, 9.4 18.8 19.0 13.3
352 Electric cooking appliances and other electrothermic or electromechanical 22.5 39.6 42.1 7.9
353 Line telephone or telegraph apparatus 27.4 0.2 22.9 33.4 7.5
354 Electronic entertainment products, except parts 17.6 0.1 17.4 14.8 8.0
355 Computer and office equipment 10.9 0.2 11.8 13.0 5.8
356 Prepared unrecorded or prerecorded media 17.7 0.1 13.0 13.5 3.7
357 Transmission apparatus for radio or television broadcasting, radio 15.0 23.6 26.5 7.6
358 Electronic components and parts 11.1 0.2 41.7 27.0 5.3
359 Other electronic and electrical equipment 11.9 0.4 16.0 22.6 10.7
361 Motor vehicles for the transport of less than 11.1 0.3 10.3 16.2 15.4
362 Motor vehicles for the transport of goods and road tractors for 10.3 14.8 22.1 49.9
363 Other vehicles 10.0 0.1 12.3 12.7 14.4
364 Parts and accessories for motor vehicles, except motorcycles and armored 12.1 0.5 10.8 14.4 0.1 8.3
371 Locomotives and rolling stock, railway track fixtures and fittings, 27.9 44.0 46.1 0.2 7.8
372 Aircraft and spacecraft 26.7 0.4 14.3 28.0 4.4
373 Ships, boats, and floating structures 17.7 17.7 18.4 14.2
381 Optical elements, instruments, and apparatus, except photographic and 19.0 28.4 26.4 11.6
382 Photographic and photocopying machines 20.9 24.3 30.0 8.5
383 Surveying, hydrographic, oceanographic, hydro 26.4 44.2 42.0 11.1
384 Instruments, apparatus, and appliances for medical, surgical, dental, or 15.1 0.2 20.7 20.7 8.6
385 Meters and other instruments and apparatus for 9.4 18.6 22.3 7.1
390 Furniture, mattresses and mattress supports, lamps, lighting fittings 6.2 0.1 11.8 6.4 6.2
401 Arms and ammunition 25.4 33.5 29.0 4.5
402 Toys, games, and sporting equipment 17.0 0.1 19.8 28.3 5.3
409 Miscellaneous manufactured products 5.2 0.2 10.5 6.1 4.3
411 Metallic waste and scrap 15.0 19.4 0.3 31.7 0.4 10.9
412 Nonmetallic waste and scrap, except from food processing 23.9 20.9 27.9 17.7
439 Mixed freight 3.6 0.4 5.6 0.1 5.0 0.1 7.9
-- Commodity unknown 9.9 22.3 41.7 0.1 8.8

KEY:
– Represents data cell equal to zero or less than 1 unit of measure.
S Estimate does not meet publication standards because of high sampling variability or poor response quality.
CV Coefficient of variation of number.

NOTES: The Introduction and appendixes give information on confidentiality protection, sampling error, nonsampling error, sample design, and definitions. Links to this information on the Internet may be found at www.census.gov/cfs.

SOURCE: Bureau of Transportation Statistics (USDOT) and U.S. Census Bureau, 2002 Commodity Flow Survey, United States Data, December 2004.