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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 9.5 – 15.2 – 21.5 – 20.3
10 Live animals and live fish – – – – – – –
21 Wheat S S S S S S 29.9
22 Corn, except sweet S S S S S S 33.4
29 Other cereal grains S S S S S S 31.6
31 Fresh or chilled potatoes (Irish potatoes), except sweet – – – – – – –
32 Fresh or chilled edible vegetables, except potatoes (Irish potatoes) S S S S S S 28.1
33 Fresh, chilled, or dried edible fruit and nuts – – – – – – –
34 Soya beans – – – – – – –
35 Oil seeds and nuts, except olives and soya beans – – – – – – –
36 Bulbs, live plants, and seeds for sowing, nec S S S S S S 31.6
39 Fresh-cut flowers, plants, and parts of plants, and other agricultural S S S S S S 30.4
41 Cereal straw or husks, forage products, residues and waste from the food S S S S S S 37.8
42 Animal feed preparations S S S S S S S
51 Meat including poultry, except preparations S S S S S S S
52 Fish, except live, and seafood, except preparations – – – – – – –
53 Preparations, extracts, and juices of meat, fish, or seafood – – – – – – –
61 Wheat flour, groats, and meal – – – – – – –
62 Malt, starches, inulin, wheat gluten, and milled or otherwise worked – – – – – – –
63 Food preparations of cereals, flour, starch, or milk – – – – – – –
64 Bakery products S S S S S S 31.6
71 Dairy products, except chocolate milk, eggnog, and food preparations of milk – – – – – – –
72 Processed or prepared vegetables, fruit, or nuts, except dried or milled, S S S S S S 31.6
73 Coffee, tea, and spices, except unprocessed coffee and unfermented tea – – – – – – –
74 Animal or vegetable fats and oils and their cleavage products, prepared S S S S S S 31.6
75 Cane, beet, and other sugars in solid form, sugar syrups not containing 35.4 0.3 33.4 – 34.1 – 27.9
76 Confectionery, cocoa, and cocoa preparations S S S S S S 27.9
77 Edible preparations, necand vinegar S S S S S S 26.5
78 Nonalcoholic beverages, necand ice 40.6 0.5 34.6 – 31.1 – 25.9
81 Malt Beer S S S S S S 30.1
82 Wine and other fermented beverages S S S S S S 26.5
83 Spirituous beverages and ethyl alcohol 41.1 0.2 41.2 – 41.7 – 25.9
90 Tobacco products S S S S S S 28.1
100 Monumental or building stone, except dolomite S S S S S S 31.6
110 Natural sands, except metal-bearing 30.0 – 38.5 – S S 28.0
120 Gravel and crushed stone, except dolomite and slate 42.3 – 44.2 0.3 S S 39.2
131 Salt S S S S S S 29.8
132 Natural calcium phosphates, natural aluminum-calcium phosphates, and S S S S S S 27.9
133 Dolomite S S S S S S 30.7
139 Other nonmetallic minerals S S S S S S 13.1
141 Iron ores and concentrates – – – – – – –
149 Other metallic ores and concentrates S S S S S S 29.8
151 Nonagglomerated bituminous coal 15.9 3.2 16.9 1.4 22.6 1.4 36.3
159 Other coal S S S S S S 31.6
171 Gasoline 31.0 2.1 32.4 0.2 34.6 – 32.5
172 Aviation turbine fuel (types A and B) S S S S S S 25.7
180 Fuel oils 24.5 1.7 23.2 0.3 21.2 – 36.4
191 Lubricating oils and greases S S S S S S S
192 Refined petroleum oils and oils obtained from bituminous minerals, nec S S S S S S S
193 Gaseous hydrocarbons 23.2 0.6 26.5 – 31.1 – 45.0
199 Other products of petroleum refining, and coal products 37.3 1.1 31.2 0.4 37.0 0.3 12.6
201 Sodium hydroxide (caustic soda) and potassium hydroxide (caustic potash) S S S S S S 31.6
202 Inorganic chemicals, nec 26.9 1.2 34.3 0.8 38.9 0.7 S
203 Cyclic hydrocarbons – – – – – – –
204 Phenols, phenol-alcohols, aldehydes, cyclic polymers of aldehydes, S S S S S S 31.1
205 Organic chemicals, nec 48.2 0.1 S S S S S
210 Pharmaceutical products S S S S S S 33.3
220 Fertilizers and fertilizer materials 42.8 1.0 36.8 0.1 43.2 – 21.8
231 Paints and varnishes, tanning or dyeing extracts, tannins and their S S S S S S S
232 Essential oils and resinoids, and perfumery, cosmetic, or toilet preparations S S S S S S 29.9
233 Soap, organic surface-active agents, cleaning preparations, polishes and 40.5 0.4 39.9 – 41.4 – S
234 Photographic film, plates, paper, paperboard, or textiles, and chemical S S S S S S 31.6
235 Insecticides, rodenticides, fungicides, herbic S S S S S S 30.6
239 Other chemical products and preparations 49.3 2.8 S S 36.8 0.1 23.1
241 Plastics in primary forms, rubber in primary forms or sheets, and S S S S S S 31.6
242 Manmade fibers and plastics basic shapes and articles 47.3 0.5 S S S S 28.5
243 Rubber articles 39.5 0.2 42.3 – 37.2 – 39.2
250 Logs and other wood in the rough S S S S S S S
261 Wood chips or particles S S S S S S 24.4
262 Lumber, wood continuously shaped along any of its edges or faces, and 44.0 0.4 42.6 – 47.4 – 27.7
263 Veneer sheets and sheets for plywood, particle board, fiberboard, plywood, – – – – – – –
264 Builders joinery and carpentry of wood, except shingles and shakes S S S S S S 29.8
269 Other wood products S S S S S S 30.2
271 Pulp of fibrous cellulosic materials S S S S S S 31.6
272 Newsprint in large rolls or sheets – – – – – – –
273 Uncoated paper and paperboard in large rolls or sheets S S S S S S S
274 Coated, impregnated, treated, or worked paper and paperboard, in large S S S S S S 31.6
280 Paper or paperboard articles 39.1 – 40.6 – 40.7 – S
291 Printed books, brochures, leaflets, and similar printed products S S 48.7 – S S 36.0
292 Newspapers, journals, and periodicals S S S S S S 30.7
293 Advertising material, commercial or trade catalogues, and similar printed S S S S S S S
299 Other printed products 34.4 – 31.6 – S S S
301 Textile fibers, yarns, and broadwoven or knitt S S S S S S 30.1
302 Textile clothing and accessories, and headgear, except safety S S 44.4 – 44.4 – 8.1
303 Textiles and textile articles, nec 48.2 – S S S S 26.0
304 Footwear 49.2 0.6 42.1 – 43.1 – 23.8
305 Leather and articles, luggage of related materials, and dressed furskins S S S S S S 29.7
311 Hydraulic cements S S S S 40.2 – S
312 Ceramic products S S S S S S S
313 Glass and glass products S S S S S S 33.0
319 Other nonmetallic mineral products 26.4 0.2 31.7 – 32.8 – 45.7
321 Iron and steel in primary forms, in semifinished forms, or in powders or S S S S S S 31.6
322 Flat-rolled products of iron or steel S S S S S S S
323 Bars, rods, angles, shapes, sections, and wire, of iron or steel S S S S S S 28.3
324 Nonferrous metal, except precious, in unwrought forms, in finished basic S S S S S S S
331 Pipes, tubes, and fittings S S S S S S S
332 Structures and parts, except prefabricated buildings 45.9 0.2 45.4 – S S 24.9
333 Handtools, cutlery, except of precious metals, interchangeable tools for 32.6 0.2 47.1 – S S 29.9
339 Other articles of metal 29.2 0.3 31.1 – 42.5 – 35.9
341 Internal-combustion piston engines 48.4 0.2 37.4 – 46.5 – 30.6
342 Turbines, boilers, nuclear reactors, and nonelectric engines and motors, S S S S S S S
343 Pumps, compressors, and fans, and ventilating or recycling hoods S S S S S S 26.9
344 Air-conditioning, refrigerating, or freezing equipment S S S S S S S
345 Materials-handling, excavating, boring, and related machinery and equipment 32.6 1.0 28.0 – 23.6 – 22.8
349 Other machinery 17.2 0.2 29.8 – 40.7 – 42.8
351 Electric motors, generators, generating sets, rotary converters, 47.3 – S S S S 28.0
352 Electric cooking appliances and other electrothermic or electromechanical S S 41.6 – 46.4 – 26.4
353 Line telephone or telegraph apparatus S S S S S S S
354 Electronic entertainment products, except parts – – – – – – –
355 Computer and office equipment S S S S S S 28.1
356 Prepared unrecorded or prerecorded media S S S S S S 30.9
357 Transmission apparatus for radio or television broadcasting, radio S S S S S S 31.6
358 Electronic components and parts S S S S S S 34.4
359 Other electronic and electrical equipment 28.7 0.4 39.6 – 35.5 – S
361 Motor vehicles for the transport of less than S S S S S S 29.9
362 Motor vehicles for the transport of goods and road tractors for S S S S S S 31.0
363 Other vehicles 49.1 0.2 S S S S 27.8
364 Parts and accessories for motor vehicles, except motorcycles and armored 40.8 0.3 42.3 – S S 21.7
371 Locomotives and rolling stock, railway track fixtures and fittings, – – – – – – –
372 Aircraft and spacecraft S S S S S S 25.9
373 Ships, boats, and floating structures S S S S S S 31.6
381 Optical elements, instruments, and apparatus, except photographic and S S S S S S 31.0
382 Photographic and photocopying machines S S S S S S 31.6
383 Surveying,hydrographic, oceanographic, hydro 40.2 – S S S S 42.7
384 Instruments, apparatus, and appliances for medical, surgical, dental, or S S S S S S 31.6
385 Meters and other instruments and apparatus for S S S S S S 33.5
390 Furniture, mattresses and mattress supports, lamps, lighting fittings, and S S S S S S 25.6
401 Arms and ammunition S S S S S S 23.7
402 Toys, games, and sporting equipment 45.9 0.2 40.1 – 40.8 – 21.7
409 Miscellaneous manufactured products 32.7 0.5 20.9 – 32.2 – 18.0
411 Metallic waste and scrap S S S S S S 30.6
412 Nonmetallic waste and scrap, except from food processing S S S S S S 31.6
439 Mixed freight 27.1 0.4 S S S S S
-- Commodity unknown 38.1 – S S S S 46.5

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

NOTE: The Introduction and appendixes give information onf 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, Individual State Data, December 2004.