HAZMAT Table 11b ,,,,,,,,,,,,,, "Hazardous Material Shipment Characteristics by Selected Commodities: 2002 and 1997 ",,,,,,,,,,,,,, "[Estimates are based on data from the 2002 and 1997 Commodity Flow Surveys. Because of rounding, estimates may not be additive] ",,,,,,,,,,,,,, SCTG Code (1),Commodity Description,Value,,,Tons,,,Ton–miles,,,"Average miles per shipment",,, ,,"2002 (million $)","1997 (million $)","Percent change","2002 (thousands)","1997 (thousands)","Percent change","2002 (millions)","1997 (millions)","Percent change",2002,1997,"Percent change", —,Total,"660,181","526,679",25.3,"2,191,519","1,783,620",22.9,"326,727","294,823",10.8,136,110,23.7, 17,Gasoline and aviation turbine fuel,"279,407","217,862",28.2,"1,063,569","871,449",22.0,"117,219","101,890",15.0,52,45,13.9, 18,Fuel oils,"116,119","93,112",24.7,"549,007","473,869",15.9,"55,464","48,476",14.4,32,28,11.7, 19,"Coal and petroleum products, n.e.c.","41,855","31,951",31,"199,735","157,065",27.2,"40,959","29,528",38.7,64,53,20.5, 20,Basic chemicals,"84,087","83,770",0.4,"273,077","205,042",33.2,"72,552","83,771",—13.4,223,123,81.3, 22,Fertilizers,"5,587","5,212",7.2,"27,987","25,711",8.9,"8,376","9,836",—14.8,142,128,10.5, 23,"Chemical products and preparations, n.e.c.","53,008","36,918",43.6,"34,891","19,800",76.2,"14,324","8,664",65.3,326,202,61.3, —,All other SCTG codes,"80,118","57,854",38.5,"43,253","30,683",41.0,"17,833","12,657",40.9,221,311,—28.7, " KEY: — Represents an estimate equal to zero or less than 1 unit of measure. S Estimate does not meet publication standards because of highly sampling variability or poor response quality.",,,,,,,,,,,,,, " (1) SCTG codes were selected based on estimated tons without regard to sampling variability.",,,,,,,,,,,,,, " NOTE: Percentages represent the proportion of hazardous materials to the two digit commodity total.",,,,,,,,,,,,,, "SOURCE: Bureau of Transportation Statistics (USDOT) and U.S. Census Bureau, 2002 Commodity Flow Survey, Hazmat Data, December 2004.",,,,,,,,,,,,,