Table B-11 - Estimated Measures of Reliability for Shipment Characteristics by Three-Digit Commodity for State of Origin: 2002

Table B-11 - Estimated Measures of Reliability for Shipment Characteristics by Three-Digit Commodity for State of Origin: 2002

[Estimates are based on data from the Commodity Flow Survey. Because of rounding, estimates may not be additive]

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Code Commodity (3-digit SCTG) 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 3.7 8.0 8.0 7.3
10 Live animals and live fish S S S S S S 31.1
21 Wheat 24.7 42.0 0.9 S S 24.2
22 Corn, except sweet S S S S S S 34.4
29 Other cereal grains 45.8 0.1 34.1 0.4 S S 28.8
31 Fresh or chilled potatoes (Irish potatoes), except sweet S S S S S S 32.0
32 Fresh or chilled edible vegetables, except potatoes (Irish potatoes) S S 48.1 0.1 45.8 46.5
33 Fresh, chilled, or dried edible fruit and nuts S S S S S S 25.6
34 Soya beans S S S S S S 31.1
35 Oil seeds and nuts, except olives and soya beans S S S S S S 29.1
36 Bulbs, live plants, and seeds for sowing, nec S S S S S S 32.9
39 Fresh-cut flowers, plants, and parts of plants, and other agricultural S S S S S S 28.0
41 Cereal straw or husks, forage products, residues and waste from the food S S S S 36.0 0.2 S
42 Animal feed preparations S S S S S S S
51 Meat including poultry, except preparations 21.6 0.6 23.5 0.2 22.0 0.4 S
52 Fish, except live, and seafood, except preparations S S S S S S 28.8
53 Preparations, extracts, and juices of meat, fish, or seafood 41.2 42.8 42.1 24.4
61 Wheat flour, groats, and meal S S S S S S 29.9
62 Malt, starches, inulin, wheat gluten, and milled or otherwise worked 36.1 S S S S S
63 Food preparations of cereals, flour, starch, or milk 44.9 49.0 22.5 37.1
64 Bakery products 48.4 0.3 S S S S S
71 Dairy products, except chocolate milk, eggnog, and food preparations of milk 40.4 0.1 44.0 0.1 46.5 S
72 Processed or prepared vegetables, fruit, or nuts, except dried or milled, 43.1 0.2 S S S S 23.2
73 Coffee, tea, and spices, except unprocessed coffee and unfermented tea S S S S S S S
74 Animal or vegetable fats and oils and their cleavage products, prepared 46.0 46.8 S S 27.1
75 Cane, beet, and other sugars in solid form, sugar syrups not containing S S 34.9 S S 30.6
76 Confectionery, cocoa, and cocoa preparations S S S S S S 26.8
77 Edible preparations, necand vinegar 27.5 0.2 31.1 0.1 25.8 0.3 19.4
78 Nonalcoholic beverages, necand ice 34.7 0.2 47.5 0.3 S S S
81 Malt Beer 16.4 0.1 15.6 0.1 17.2 18.7
82 Wine and other fermented beverages 27.6 27.4 28.3 11.2
83 Spirituous beverages and ethyl alcohol 39.1 0.2 40.2 39.0 25.2
90 Tobacco products S S 35.9 25.2 S
100 Monumental or building stone, except dolomite S S 43.2 28.7 S
110 Natural sands, except metal-bearing 37.3 S S 27.1 0.2 S
120 Gravel and crushed stone, except dolomite and slate 29.6 27.4 2.3 37.5 0.6 23.7
131 Salt S S S S S S S
132 Natural calcium phosphates, natural aluminum-calcium phosphates, and S S S S S S 31.2
133 Dolomite
139 Other nonmetallic minerals S S 48.5 48.7 0.1 18.2
141 Iron ores and concentrates S S S S S S 31.6
149 Other metallic ores and concentrates 40.1 S S S S S
151 Nonagglomerated bituminous coal S S S S S S 32.4
159 Other coal 15.1 17.7 0.8 41.2 1.0 S
171 Gasoline 23.8 1.7 24.5 2.8 29.0 3.3 22.2
172 Aviation turbine fuel (types A and B) 32.2 0.1 32.8 0.4 S S S
180 Fuel oils 23.1 0.8 24.6 1.7 33.0 1.7 15.1
191 Lubricating oils and greases 17.8 0.1 18.7 28.8 0.3 25.7
192 Refined petroleum oils and oils obtained from bituminous minerals, nec 17.0 0.1 19.3 0.4 41.3 0.9 46.5
193 Gaseous hydrocarbons 32.1 0.2 29.7 0.4 18.9 0.2 S
199 Other products of petroleum refining, and coal products 24.7 0.2 30.8 1.8 S S 39.7
201 Sodium hydroxide (caustic soda) and potassium hydroxide (caustic potash) 27.1 24.7 42.9 21.1
202 Inorganic chemicals, nec 34.1 0.2 23.0 0.3 38.0 0.7 25.6
203 Cyclic hydrocarbons 29.1 0.3 33.9 0.5 18.1 0.2 44.5
204 Phenols, phenol-alcohols, aldehydes, cyclic polymers of aldehydes, 36.5 0.3 S S 14.1 0.2 32.7
205 Organic chemicals, nec 24.5 1.1 29.0 1.5 37.7 3.4 34.9
210 Pharmaceutical products 37.3 1.3 24.4 21.6 12.6
220 Fertilizers and fertilizer materials 47.8 S S 29.6 S
231 Paints and varnishes, tanning or dyeing extracts, tannins and their S S 14.3 35.4 0.2 S
232 Essential oils and resinoids, and perfumery, cosmetic, or toilet preparations 33.0 0.2 S S S S 17.8
233 Soap, organic surface-active agents, cleaning preparations, polishes and 37.3 0.2 34.7 37.8 0.1 26.2
234 Photographic film, plates, paper, paperboard, or textiles, and chemical 36.6 46.8 32.3 S
235 Insecticides, rodenticides, fungicides, herbic S S S S 44.7 26.4
239 Other chemical products and preparations 44.8 0.5 37.2 0.2 32.9 0.6 24.3
241 Plastics in primary forms, rubber in primary forms or sheets, and 7.5 0.2 6.1 0.1 11.9 0.5 18.3
242 Manmade fibers and plastics basic shapes and articles 11.6 0.4 14.3 0.2 12.0 0.4 39.2
243 Rubber articles 41.6 31.6 30.3 17.6
250 Logs and other wood in the rough S S S S S S 30.9
261 Wood chips or particles S S S S S S S
262 Lumber, wood continuously shaped along any of its edges or faces, and 30.1 0.2 35.9 0.3 48.8 0.5 10.4
263 Veneer sheets and sheets for plywood, particle board, fiberboard, plywood, 20.8 18.3 13.9 0.1 24.4
264 Builders joinery and carpentry of wood, except shingles and shakes 11.3 30.9 40.1 41.5
269 Other wood products S S S S S S 43.3
271 Pulp of fibrous cellulosic materials S S S S 48.4 35.2
272 Newsprint in large rolls or sheets 38.6 42.9 45.9 23.0
273 Uncoated paper and paperboard in large rolls or sheets 19.0 14.0 18.0 0.1 32.6
274 Coated, impregnated, treated, or worked paper and paperboard, in large 25.5 31.3 33.4 0.1 42.6
280 Paper or paperboard articles 30.5 0.4 17.8 24.7 0.1 20.4
291 Printed books, brochures, leaflets, and similar printed products 24.9 31.2 S S 16.5
292 Newspapers, journals, and periodicals S S S S S S S
293 Advertising material, commercial or trade catalogues, and similar printed 30.6 33.2 S S 20.2
299 Other printed products 19.3 20.0 28.7 14.3
301 Textile fibers, yarns, and broadwoven or knitt 40.8 0.3 S S S S 20.7
302 Textile clothing and accessories, and headgear, except safety 12.4 12.3 26.2 6.6
303 Textiles and textile articles, nec 27.8 0.3 17.7 18.7 12.7
304 Footwear S S S S 38.2 21.4
305 Leather and articles, luggage of related materials, and dressed furskins 28.9 S S S S 13.3
311 Hydraulic cements 7.5 5.9 0.1 10.5 6.3
312 Ceramic products 43.2 0.5 39.6 0.4 S S 15.8
313 Glass and glass products 22.4 21.2 24.0 0.2 15.3
319 Other nonmetallic mineral products 19.9 0.2 15.3 1.1 19.7 0.7 20.6
321 Iron and steel in primary forms, in semifinished forms, or in powders or S S S S S S S
322 Flat-rolled products of iron or steel 27.4 0.2 42.5 0.4 47.5 0.5 33.4
323 Bars, rods, angles, shapes, sections, and wire, of iron or steel 23.2 0.2 28.0 0.1 38.2 0.4 12.6
324 Nonferrous metal, except precious, in unwrought forms, in finished basic 48.6 0.8 S S S S 19.8
331 Pipes, tubes, and fittings 13.3 0.3 11.1 24.2 0.4 S
332 Structures and parts, except prefabricated buildings 22.2 0.1 29.4 35.2 0.2 23.2
333 Handtools, cutlery, except of precious metals, interchangeable tools for 21.2 0.1 38.3 48.8 42.5
339 Other articles of metal 34.6 44.1 34.2 25.1
341 Internal-combustion piston engines S S 41.3 S S S
342 Turbines, boilers, nuclear reactors, and nonelectric engines and motors, 34.3 38.3 45.6 13.7
343 Pumps, compressors, and fans, and ventilating or recycling hoods 25.9 0.1 26.4 33.0 S
344 Air-conditioning, refrigerating, or freezing equipment 35.5 0.2 44.5 S S S
345 Materials-handling, excavating, boring, and related machinery and equipment 28.5 38.8 34.9 17.5
349 Other machinery 17.0 0.3 24.6 46.6 23.4
351 Electric motors, generators, generating sets, rotary converters, 41.6 0.1 S S S S 28.9
352 Electric cooking appliances and other electrothermic or electromechanical S S S S S S S
353 Line telephone or telegraph apparatus 38.5 0.1 35.0 34.8 17.2
354 Electronic entertainment products, except parts S S S S S S 27.8
355 Computer and office equipment 26.2 1.0 24.6 26.4 9.1
356 Prepared unrecorded or prerecorded media S S S S S S S
357 Transmission apparatus for radio or television broadcasting, radio S S S S S S 24.3
358 Electronic components and parts 25.3 0.5 34.4 47.9 15.2
359 Other electronic and electrical equipment 16.8 0.4 S S S S S
361 Motor vehicles for the transport of less than 37.4 1.5 37.7 33.2 0.1 28.8
362 Motor vehicles for the transport of goods and road tractors for 37.5 0.2 48.9 S S S
363 Other vehicles S S 39.3 40.4 0.2 16.7
364 Parts and accessories for motor vehicles, except motorcycles and armored 22.4 0.2 S S S S S
371 Locomotives and rolling stock, railway track fixtures and fittings, S S S S S S 21.0
372 Aircraft and spacecraft 27.6 0.2 23.5 31.5 7.4
373 Ships, boats, and floating structures S S S S S S 29.5
381 Optical elements, instruments, and apparatus, except photographic and 35.5 36.7 40.7 21.3
382 Photographic and photocopying machines 36.7 39.5 31.3 26.8
383 Surveying,hydrographic, oceanographic, hydro S S S S S S S
384 Instruments, apparatus, and appliances for medical, surgical, dental, or 19.9 S S 47.6 20.3
385 Meters and other instruments and apparatus for 32.2 39.7 38.1 32.7
390 Furniture, mattresses and mattress supports, lamps, lighting fittings, and 49.8 0.5 35.5 37.2 0.2 S
401 Arms and ammunition S S S S S S 30.3
402 Toys, games, and sporting equipment 43.4 S S S S 16.6
409 Miscellaneous manufactured products 17.6 0.9 23.3 0.1 20.7 0.2 17.0
411 Metallic waste and scrap S S 48.6 0.3 S S 34.8
412 Nonmetallic waste and scrap, except from food processing 38.1 S S S S 29.5
439 Mixed freight 12.5 1.1 19.1 0.3 19.8 0.3 32.8
-- Commodity unknown S S S S S S S

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

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