HAZMAT Table 17,,,,,,,,
"Hazardous Material Shipment Characteristics by NAICS Code: 2002
",,,,,,,,
"[Estimates are based on data from the 2002 Commodity Flow Survey. Because of rounding, estimates may not be additive]
",,,,,,,,
NAICS Code (1),Commodity Description,Value,,Tons,,Ton–miles,,"Average miles 
per shipment"
,,"2002 
(million $)",Percent,"2002 
(thousands)",Percent,"2002 
(millions)",Percent,
—,Total,"660,181",100.0,"2,191,519",100.0,"326,727",100.0,136
422700,Petroleum and Petroleum Products Wholesalers,"235,248",35.6,"873,650",39.9,"68,168",20.9,34
324000,Petroleum and Coal Products Manufacturing,"186,726",28.3,"873,138",39.8,"132,413",40.5,127
325000,Chemical Manufacturing,"103,790",15.7,"273,889",12.5,"81,627",25.0,574
551114,"Corporate, Subsidiary, and Regional Managing Offices","32,279",4.9,"76,773",3.5,"20,041",6.1,217
422600,Chemical and Allied Products Wholesalers,"17,240",2.6,"31,627",1.4,"3,668",1.1,292
—,Others,"84,898",12.9,"62,443",2.8,"20,809",6.4,151
"
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) NAICS codes were selected based on estimated tons without sampling variability.",,,,,,,,
"SOURCE: Bureau of Transportation Statistics (USDOT) and U.S. Census Bureau, 2002 Commodity Flow Survey, Hazmat Data, December 2004.",,,,,,,,