Current Industrial Reports United States Department of Commerce Economics and Statistics Administration Bureau of the Census INDUSTRIAL GASES - 1996 MA28C(96)-1 Issued September 1997 Information about the scope of the survey, methodology, explanation of terms, and historical notes for this survey may be found in the introduction of the 1995 Manufacturing Profiles, issued June, 1997. These data are also available through the US Department of Commerce and STAT-USA Electronic Bulletin Board by subscription. To access, dial 202-482-3870 and follow the prompts to register, or call 202-482-1986 for further information. Inquiries: Address concerning these data to US Department of Commerce, Bureau of the Census, Manufacturing and Construction Division, Washington, DC 20233, or call Suzanne Conard, 301-457-4791. Table 1. Production and Shipments of Selected Industrial Gases: 1993 to 1996 [Value in Millions of dollars] Unit Shipments Product Product and year of Pro- code measure duction Quantity Value 28132 00 Acetylene: 1996.............Billion cu. ft.... 5.5 3.3 159.6 1995.............do................ 5.9 3.4 155.0 1994.............do................ 5.3 2.9 143.3 1993.............do................ 5.2 2.7 134.1 28133 00 Carbon dioxide: Gas: 1996.............1,000 short tons.. 5,891.4 4,462.9 51.3 1995.............do................ 5,780.3 5,282.4 59.9 1994.............do................ 6,944.7 6,530.4 67.1 1993.............do................ 6,816.4 6,402.5 73.4 Liquid: 1996.............1,000 short tons.. 6,545.8 6,387.5 390.0 1995.............do................ r/6,409.6 r/6,057.2 r/369.0 1994.............do................ 5,898.4 5,728.9 238.7 1993.............do................ 5,543.4 5,266.2 230.8 Solid (dry ice): 1996.............1,000 short tons.. 319.2 299.1 35.4 1995.............do................ 300.4 297.9 35.1 1994.............do................ 288.0 288.1 30.9 1993.............do................ 295.9 294.9 29.9 28135 00 Nitrogen: 1996.............Billion cu. ft.... 850.3 828.5 1,135.9 1995.............do................ 844.4 822.5 1,139.4 1994.............do................ 870.0 827.2 1,057.6 1993.............do................ 795.5 751.3 1,070.8 28136 00 Oxygen: 1996...............Billion cu. ft.. 695.7 658.0 972.8 1995...............do.............. 629.8 597.7 968.5 1994...............do.............. 605.0 564.5 881.9 1993...............do.............. 547.1 522.9 869.1 28137 pt. Hydrogen: 1996...............Billion cu. ft.. 367.3 146.6 325.7 1995...............do.............. 351.7 138.4 310.8 1994...............do.............. 331.0 126.6 273.4 1993...............do.............. 212.9 96.5 264.2 pt. part r/ Revised by 5 percent or more from previously published data. S Does not meet publication standards. Table 2. Quantity of Primary Production of Specified Industrial Gases: 1996 and 1995. [Quantity in million cubic feet, unless otherwise noted. Value in thousands of dollars] 1996 1995 Product description Shipments Shipments Product code Production Quantity Value Production Quantity Value 2813- -- Industrial gases................... (X) (X) 3,652,317 (X) (X) 3,601,625 28132 00 Acetylene /1........................ 951 924 81,639 979 960 83,127 28132 11 Produced for compression, including cylinder and pipeline...................... 951 924 81,639 r/979 r/960 83,127 28132 21 Produced for pipeline shipment, excluding that shipped to be compressed and for consumption in same plant..... 4,565 2,344 77,928 4,918 2,398 71,867 28133 00 Carbon dioxide (short tons)/2....... 11,658,810 11,149,494 476,636 12,343,205 11,637,485 r/463,970 28133 01 Gas, including amounts produced and liquefied (short tons)....... 4,793,840 4,462,891 51,293 5,633,211 5,282,377 59,915 28133 02 Liquid, including amounts produced and used to make dry ice (short tons)................. 6,545,768 6,387,547 389,978 r/6,409,561 r/6,057,212 r/368,986 28133 31 Solid, (dry ice) (short tons)..... 319,202 299,056 35,365 300,433 297,896 35,069 28135 00 Nitrogen /3......................... 850,299 828,492 1,135,900 844,405 822,524 1,139,429 Gas produced by: 28135 22 Cryogenic on-site and pipe- line /4.......................... (D) (D) (D) (D) (D) (D) 28135 23 Non cryogenic processes (psa, vpsa, membranes, etc.) /4.......... 562,974 566,138 444,814 565,876 556,729 451,993 Captive uses for consumption in same plant: 28135 24 Cryogenic processes /5........... (D) (X) (X) (D) (X) (X) 28135 26 Non cryogenic processes (psa, vpsa, membranes, etc.) /5....... (D) (X) (X) (D) (X) (X) Liquid produced for: 28135 12 Merchant shipment................. 246,267 245,951 631,473 239,144 251,756 639,466 28135 32 Consumption in same plant /5...... 24,582 (X) (X) r/25,036 (X) (X) 28135 34 Supplemental shipments or uses.... 16,476 16,403 59,613 14,349 14,039 47,970 28136 00 Oxygen.............................. 695,688 657,990 972,821 629,792 597,688 968,465 Gas produced by: 28136 22 Cryogenic on-site and pipe- line /6......................... (D) (D) (D) (D) (D) (D) 28136 23 Non cryogenic processes (psa, vpsa, membranes, etc.) /6.......... 542,066 533,324 596,810 477,431 469,943 576,712 Captive uses for consumption in same plant: 28136 24 Cryogenic processes /7........... (D) (X) (X) (D) (X) (X) 28136 26 Non cryogenic processes (psa, vpsa, membranes, etc.) /7....... (D) (X) (X) (D) (X) (X) Liquid produced for: 28136 12 Merchant shipment................. 112,454 111,776 334,122 112,900 114,458 350,262 28136 32 Consumption in this plant /7...... 26,537 (X) (X) 27,277 (X) (X) 28136 34 Supplemental shipments or uses.... 14,631 12,890 41,889 12,184 13,287 41,491 28137 00 Elemental gases and other industrial gases, n.e.c............ (X) (X) 940,383 (X) (X) r/ 901,870 Argon............................. (D) (D) (D) (D) (D) (D) 28137 11 Argon, crude..................... (D) (D) (D) (D) (D) (D) 28137 15 Argon, high purity, produced for cylinder and bulk delivery, pipeline shipments, and for consumption in same plant....... 18,298 17,900 335,060 16,905 16,401 293,063 Helium /8.......................... (X) 3,414 (X) (X) 3,465 (X) Hydrogen /9........................ 367,309 146,631 325,711 351,679 138,448 310,760 Gas produced for: 28137 22 Merchant shipment /10............ (D) (D) (D) (D) (D) (D) 28137 32 Pipeline and on-site use /10..... (D) (D) (D) (D) (D) (D) 28137 42 Consumption in same plant........ 207,061 (X) (X) 196,662 (X) (X) Liquid produced for: 28137 52 Merchant shipment /10............ (D) (D) (D) (D) (D) (D) 28137 62 Supplemental shipments or uses /10........................ 160,248 146,631 325,711 155,017 138,448 310,760 28137 90 Other elemental gases.............. (X) (X) (D) (X) (X) (D) 28137 71 Nitrous oxide /11.................. (D) (D) (D) (D) (D) (D) 28137 98 Other compressed and liquefied gases /11 /12.......... (X) (X) 227,874 (X) (X) r/204,841 28130 00 Industrial gases, n.s.k............. (X) (X) 44,938 (X) (X) 44,764 D Withheld to avoid disclosing data for individual companies. n.e.c. Not elsewhere classified n.s.k. Not specified by kind r/ Revised by 5 percent or more from previously published data. X Not applicable. 1/ Excludes information from railroad ships, shipyards, welding shops, and small establishments using portable generators. 2/ Excludes quantities produced and consumed in plants manufacturing soda ash or urea. Carbon dioxide gas data should be used with caution since it includes data for gas produced in the production of petroleum, whose data is difficult to measure. 3/ Excludes amounts produced and consumed in the manufacturing of synthetic ammonia or ammonia derivatives. 4/ Product code 28135 22 has been combined with product code 28135 23 to avoid disclosing data for individual companies. 5/ Product codes 28135 24 and 28135 26 are combined with product code 28135 32 to avoid disclosing data for individual companies. 6/ Product code 28136 22 has been combined with product code 28136 23 to avoid disclosing data for individual companies. 7/ Product codes 28136 24 and 28136 26 are combined with product code 28136 32 to avoid disclosing data for individual companies. 8/ Source: US Department of Interior, Bureau of Mines. 9/ Excludes amounts vented, used as fuel, etc., and amounts produced and consumed in the manufacturing of synthetic ammonia and methanol, but includes an unspecified amount produced for sale or interplant transfer to plants consuming this gas in the production of ammonia. Also excludes amounts produced by the ammonia disassociation process (cracking of ammonia). Also excludes amounts produced in petroleum refineries for captive use. 10/ Product codes 28137 22, 28137 32, 28137 52 and 28137 62 are combined to avoid disclosing data for individual companies. 11/ Product codes 28137 71 and 28137 98 are combined to avoid disclosing data for individual companies. 12/ Excludes hydrocarbon gases such as propane, butane, and propylene, or halogenated hydrocarbons and cyclopropane, which are published in the US Industrial Trade Commission annual report, Synthetic Organic Chemicals. Also, excludes sulfur dioxide and chlorine data, which are shown in Current Industrial Report Series MA28A(96)-1, Inorganic Chemicals. Note: N.s.k. represents the value of shipments for establishments which did not provide detailed information by type of product. These establishments, typically with less than 5 employees, are not included on the MA28C mailing panel. The n.s.k. value has been estimated based on the rate of change for the reporting establishments applied to the previous year's data. Table 3. Production and Shipments of Acetylene by Geographic Area: 1996 and 1995 [Quantity in million cubic feet. Value in thousands of dollars] 1996 1995 Geographic area Shipments Shipments Pro- Pro- duction Quantity Value duction Quantity Value Total.................... 5,516 3,268 159,567 5,897 3,358 154,994 Northeast Region......... 95 95 9,230 r/111 r/112 r/10,360 North Central Region..... 228 221 22,768 r/227 r/233 r/23,329 East North Central..... 156 149 16,382 r/164 r/170 r/17,348 West North Central..... 72 72 6,386 63 63 5,981 South Region............. 5,035 2,794 110,509 5,391 2,844 103,039 South Atlantic and East South Central..... 737 717 47,268 701 672 44,313 West South Central..... 4,298 2,077 63,241 4,690 2,172 58,726 West Region.............. 158 158 17,060 168 169 18,266 Mountain............... 33 33 3,267 31 31 3,462 Pacific................ 125 125 13,793 137 138 14,804 r/ Revised by 5 percent or more from previously published data. See note at end of table 6 for explanation of geographic areas. Table 4. Production and Shipments of Carbon Dioxide by Geographic Area: 1996 and 1995 [Quantity in short tons. Value in thousands of dollars] Liquid Solid Geographic area Shipments Shipments Production Quantity Value Production Quantity Value 1996 Total.................... 6,545,768 6,387,547 389,978 319,202 299,056 35,365 Northeast Region /1...... (D) (D) (D) (D) (D) (D) North Central Region..... 1,872,700 1,807,416 80,838 152,359 144,344 15,658 East North Central /1.. 1,255,454 1,224,955 60,587 86,021 79,936 10,411 West North Central..... 617,246 582,461 20,251 66,338 64,408 5,247 South Region............. 3,465,903 3,391,803 243,330 105,863 94,956 12,970 South Atlantic and East South Central..... 1,955,611 1,907,053 174,162 63,239 53,729 5,789 West South Central..... 1,510,292 1,484,750 69,168 42,624 41,227 7,181 West Region.............. 1,207,165 1,188,328 65,810 60,980 59,756 6,737 Mountain............... 354,235 328,075 19,319 20,360 20,360 1,300 Pacific................ 852,930 860,253 46,491 40,620 39,396 5,437 1995 Total.................... r/6,409,561 r/6,057,212 r/368,986 300,433 297,896 35,069 Northeast Region /1...... (D) (D) (D) (D) (D) (D) North Central Region..... r/1,790,657 r/1,661,496 r/64,420 151,766 149,492 14,389 East North Central /1.. r/1,171,706 r/1,101,107 r/47,100 72,649 72,230 8,462 West North Central..... 618,951 560,389 17,320 79,117 77,262 5,927 South Region............. r/3,429,809 r/3,254,716 r/243,262 r/96,063 r/95,822 r/14,090 South Atlantic and East South Central..... r/1,932,307 r/1,859,196 r/175,210 53,502 52,912 6,302 West South Central..... 1,497,502 1,395,520 68,052 r/42,561 r/42,910 r/7,788 West Region.............. 1,189,095 1,141,000 r/61,304 52,604 52,582 r/6,590 Mountain............... 360,503 332,187 18,877 r/21,040 r/20,947 r/1,284 Pacific................ 828,592 808,813 r/42,427 31,564 31,635 5,306 r/ Revised by 5 percent or more from previously published data. 1/ Totals for Northeast region are combined with East North Central to avoid disclosing data for individual companies. See note at end of table 6 for explanation of geographic areas. Table 5. Production and Shipments of Argon and Hydrogen by Geographic Area: 1996 and 1995 [Quantity in million cubic feet. Value in thousands of dollars] ARGON 1996 1995 Geographic area Shipments Shipments Production Quantity Value Production Quantity Value Total .......................... (D) (D) (D) (D) (D) (D) Northeast Region................ 1,641 1,643 27,978 1,564 1,568 24,610 North Central Region ........... (D) (D) (D) (D) (D) (D) East North Central Division... 8,040 8,081 136,801 6,445 6,430 121,356 West North Central Division .. (D) (D) (D) (D) (D) (D) South Region.................... 8,538 8,114 144,890 8,870 8,392 134,574 South Atlantic Division....... 1,639 1,631 31,604 1,643 1,622 32,652 East South Central Division... 1,470 1,454 24,121 1,228 1,225 15,931 West South Central Division... 5,429 5,029 89,165 5,999 5,545 85,991 West Region..................... 1,526 1,494 36,270 1,341 1,326 24,299 [Quantity in million cubic feet. Value in thousands of dollars] HYDROGEN 1996 1995 Geographic area Shipments Shipments Production Quantity Value Production Quantity Value Total .......................... 367,309 146,631 325,711 351,679 138,448 310,760 Northeast Region................ 9,893 9,753 32,142 10,715 9,468 34,279 North Central Region ........... 48,351 2,638 7,898 29,675 3,608 12,480 East North Central Division... (D) (D) (D) (D) (D) (D) West North Central Division .. (D) (D) (D) (D) (D) (D) South Region.................... 290,776 (D) (D) 294,138 (D) (D) South Atlantic Division....... 12,194 7,383 10,331 11,896 6,486 14,072 East South Central Division... 4,206 (D) (D) 4,379 (D) (D) West South Central Division... 274,376 123,407 256,902 277,863 115,629 230,165 West Region..................... 18,289 (D) (D) 17,151 (D) (D) D Withheld to avoid disclosing data for individual companies. 1/ See end of table 6 for explanation of geographic areas. Table 6. Production and Shipments of Liquid Nitrogen and Oxygen Produced for Merchant Shipment, by Geographic Area: 1996 and 1995 [Quantity in million cubic feet. Value in thousands of dollars] NITROGEN 1996 1995 Geographic area Shipments Shipments Production Quantity Value Production Quantity Value Total........................... 246,267 245,951 631,473 239,144 251,756 639,466 Northeast Region................ 46,898 47,903 114,158 46,403 46,714 116,499 North Central Region............ 71,714 71,655 166,499 72,102 83,611 188,720 East North Central Division... (D) (D) (D) (D) (D) (D) West North Central Division... (D) (D) (D) (D) (D) (D) South Region.................... 84,997 84,902 232,490 81,906 83,200 223,438 South Atlantic Division....... 38,385 38,315 98,454 36,217 36,572 98,487 East South Central Division... 16,700 16,424 45,349 15,440 15,355 39,966 West South Central Division... 29,912 30,163 88,687 r/30,249 r/31,273 r/84,985 West Region..................... 42,658 41,491 118,326 38,733 38,231 110,809 [Quantity in million cubic feet. Value in thousands of dollars] OXYGEN 1996 1995 Geographic area Shipments Shipments Production Quantity Value Production Quantity Value Total........................... 112,454 111,776 334,122 112,900 114,458 350,262 Northeast Region................ 20,820 20,843 60,734 21,125 21,325 62,914 North Central Region............ 37,581 37,685 92,738 36,562 36,462 103,146 East North Central Division... West North Central Division... South Region.................... 40,915 41,008 131,122 42,133 43,074 135,328 South Atlantic Division....... 19,598 19,662 58,338 22,831 23,132 68,643 East South Central Division... 9,385 9,319 28,412 7,712 7,703 25,382 West South Central Division... 11,932 12,027 44,372 r/11,590 r/12,239 r/41,303 West Region..................... 13,138 12,240 49,528 13,080 13,597 48,874 D Withheld to avoid disclosing data for individual companies. r/ Revised by 5 percent or more from previously published data. Note: Northeast Region: Maine, New Hampshire, Vermont, Massachusetts, Rhode Island, Connecticut, New York, New Jersey and Pennsylvania. North Central Region: East North Central Division: Ohio, Indiana, Illinois, Michigan, and Wisconsin. West North Central Division: Minnesota, Iowa, Missouri, North Dakota, South Dakota, Nebraska, and Kansas. South Region: South Atlantic Division: Delaware, Maryland, District of Columbia, Virginia, West Virginia, North Carolina, South Carolina, Georgia and Florida. East South Central Division: Kentucky, Tennessee, Alabama, and Mississippi. West South Central Division: Arkansas, Louisiana, Oklahoma, and Texas. West Region: Mountain: Montana, Idaho, Wyoming, Colorado, New Mexico, Arizona, Utah, and Nevada. Pacific: Washington, Oregon, California, Hawaii, and Alaska. Table 7. Quantity of Primary Production by Quarter of Specified Industrial Gases: 1996 and 1995 [Production in million cubic feet, except where otherwise noted] Product First Second Third Fourth code Product description Year Total Quarter Quarter Quarter Quarter 28132 00 Acetylene /1................................. 1996 5,516 1,343 1,369 1,360 1,444 1995 5,897 1,661 1,425 1,445 1,366 28132 11 Produced for compression, including cylinder and pipeline..................... 1996 951 247 228 219 257 1995 r/979 r/284 245 215 r/235 28132 21 Produced for pipeline shipment (excluding that shipped to be compressed) and for consumption in same plant......... 1996 4,565 1,096 1,141 1,141 1,187 1995 4,918 1,377 1,180 1,230 1,131 Carbon dioxide: /2 28133 01 Gas (include amounts produced and liquefied) (short tons).................. 1996 4,793,840 (S) (S) (S) (S) 1995 5,633,211 (S) (S) (S) (S) 28133 02 Liquid (include amounts produced and used to make dry ice) (short tons)....... 1996 6,545,768 1,505,527 1,636,442 1,767,357 1,636,442 1995 r/6,409,561 1,538,295 1,602,390 1,730,581 r/1,538,295 28133 31 Solid (dry ice) (short tons).............. 1996 319,202 73,416 76,608 89,377 79,801 1995 300,433 r/66,095 78,113 84,121 72,104 Argon, high purity: 28137 15 Produced for cylinder and bulk delivery and pipeline shipments, and for consumption in same plant................. 1996 18,298 4,392 4,575 4,575 4,756 1995 16,905 4,226 4,057 4,226 4,396 Hydrogen /3.................................. 1996 367,309 82,879 88,155 85,147 111,128 1995 351,679 80,053 88,336 91,436 91,854 Gas produced for: 28137 22 Merchant shipment /4....................... 1996 (D) (D) (D) (D) (D) 1995 (D) (D) (D) (D) (D) 28137 32 Pipeline and on-site use /4................ 1996 (D) (D) (D) (D) (D) 1995 (D) (D) (D) (D) (D) 28137 42 Consumption in same plant.................. 1996 207,061 47,624 49,695 43,483 66,259 1995 196,662 41,299 51,132 51,132 53,099 Liquid produced for: 28137 52 Merchant shipment /4....................... 1996 (D) (D) (D) (D) (D) 1995 (D) (D) (D) (D) (D) 28137 62 Other shipments or uses /4................. 1996 160,248 35,255 38,460 41,664 44,869 1995 155,017 38,754 37,204 40,304 38,755 28135 00 Nitrogen /5.................................. 1996 850,299 206,452 209,456 215,859 218,532 1995 844,405 208,066 211,101 211,351 213,887 Gas produced by: 28135 22 Cryogenic on-site and pipeline /6.......... 1996 (D) (D) (D) (D) (D) 1995 (D) (D) (D) (D) (D) 28135 23 Non cryogenic processes (psa, vpsa, membranes, etc.) by industrial gas producing companies /6.................... 1996 562,974 135,114 140,744 140,744 146,372 1995 565,876 141,469 141,469 141,469 141,469 Captive uses for consumption in same plant (user owned): 28135 24 Cryogenic processes /7.................... 1996 (D) (D) (D) (D) (D) 1995 (D) (D) (D) (D) (D) 28135 26 Non cryogenic processes (psa,vpsa, membrane etc.) /7........................ 1996 (D) (D) (D) (D) (D) 1995 (D) (D) (D) (D) (D) Liquid produced for: 28135 12 Merchant shipment.......................... 1996 246,267 61,567 59,104 64,029 61,567 1995 239,144 57,395 59,786 59,786 62,177 28135 32 Consumption in same plant /7............... 1996 24,582 6,146 5,654 6,637 6,145 1995 r/25,036 r/5,758 r/6,259 r/6,509 r/6,510 28135 34 Other shipments or uses.................... 1996 16,476 3,625 3,954 4,449 4,448 1995 14,349 3,444 3,587 3,587 3,731 28136 00 Oxygen....................................... 1996 695,688 166,965 173,922 173,922 180,879 1995 629,792 157,448 157,448 157,448 157,448 Gas produced by: 28136 22 Cryogenic on-site and pipeline /8.......... 1996 (D) (D) (D) (D) (D) 1995 (D) (D) (D) (D) (D) 28136 23 Non cryogenic processes (psa, vpsa, membranes, etc.) by industrial gas producing companies /8.................... 1996 542,066 130,096 135,517 140,937 135,516 1995 477,431 119,358 119,358 119,358 119,357 Captive uses for consumption in same plant 28136 24 Cryogenic processes /9.................... 1996 (D) (D) (D) (D) (D) 1995 (D) (D) (D) (D) (D) 28136 26 Non cryogenic processes (psa,vpsa, membrane etc.) /9........................ 1996 (D) (D) (D) (D) (D) 1995 (D) (D) (D) (D) (D) Liquid produced for: 28136 12 Merchant shipment.......................... 1996 112,454 29,238 28,114 26,989 28,113 1995 112,900 29,354 28,225 r/27,096 28,225 28136 32 Consumption in same plant /9............... 1996 26,537 (S) (S) (S) (S) 1995 27,277 (S) (S) (S) (S) 28136 34 Other shipments or uses.................... 1996 14,631 3,511 3,365 3,511 4,244 1995 12,184 3,168 2,802 3,046 3,168 r Revised by 5 percent or more from previously published data. S Does not meet publication standards. 1/ Excludes information from railroad ships, shipyards, welding shops, and small establishments using portable generators. 2/ Excludes quantities produced and consumed in plants manufacturing soda ash and urea. 3/ Excludes amounts vented, used as fuel, etc., and amounts produced and consumed in the manufacturing of synthetic ammonia and methanol, but includes an unspecified amount produced for sale or interplant transfer to plants consuming this gas in the production of ammonia. Also excludes amounts produced by the ammonia dissociation process (cracking of ammonia). Also excludes amounts produced in petroleum refineries for captive use. 4/ Product codes 28137 22, 28137 32, 28137 52, and 28137 62 have been combined to avoid disclosing data for individual companies. 5/ Excludes amounts produced and consumed in the manufacturing of synthetic ammonia derivatives. 6/ Product code 28315 22 and 28135 23 have been combined to avoid disclosing data for individual companies. 7/ Product code 28315 24, 28135 26 and 28135 32 have been combined to avoid disclosing data for individual companies. 8/ Product code 28316 22 and 28136 23 have been combined to avoid disclosing data for individual companies. 9/ Product code 28316 24, 28136 26 and 28136 32 have been combined to avoid disclosing data for individual companies. Table 8. Production, Exports, Imports, and Apparent Consumption of Industrial Gases: 1996 and 1995 Exports Percent of exports Product description Manu- domestic to manu- Product Unit of facturers' merchan- facturers' code measure Year production dise /1 production 28133 01 28133 02 Carbon dioxide 28133 31 (gas, liquid and solid)...Metric tons...... 1996 10,583,868 70,461 0.7 1995 11,205,161 68,141 0.6 28137 15 Argon, high purity........Mil. cu. meters.. 1996 518 204 39.4 1995 479 166 34.7 28137 22 28137 32 28137 42 Hydrogen..................Mil. cu. meters.. 1996 10,402 246 2.4 28137 52 1995 9,960 269 2.7 28137 62 28135 00 Nitrogen..................Mil. cu. meters.. 1996 24,080 49 0.2 1995 23,914 44 0.2 28136 00 Oxygen....................Mil. cu. meters.. 1996 19,702 143 0.7 1995 17,836 91 0.5 Imports Percent for Apparent imports Product Product description Unit of consump- consump- to apparent code measure Year tion /2 tion /3 consumption 28133 01 28133 02 Carbon dioxide 28133 31 (gas, liquid and solid)...Metric tons...... 1996 18,946 10,532,353 0.2 1995 14,712 11,151,732 0.1 28137 15 Argon, high purity........Mil. cu. meters.. 1996 27 341 7.9 1995 25 338 7.4 28137 22 28137 32 28137 42 Hydrogen..................Mil. cu. meters.. 1996 155 10,311 1.5 28137 52 1995 155 9,846 1.6 28137 62 28135 00 Nitrogen..................Mil. cu. meters.. 1996 74 24,105 0.3 1995 51 23,921 0.2 28136 00 Oxygen....................Mil. cu. meters.. 1996 14 19,573 0.1 1995 37 17,782 0.2 - Less than one-tenth of one percent. 1/ Source: Bureau of the Census report EM 545, U.S. Exports. 2/ Source: Bureau of the Census report IM 145, U.S. Imports for Consumption. 3/ Apparent consumption is derived by subtracting exports from the total of production plus imports. Note: For comparison of Standard Industrial Classification (SIC)-based product codes, Schedule B export numbers, and HTSUSA import numbers, see table 9. Table 9. Comparison of Standard Industrial Classification-Based Product Codes, Schedule B Export Numbers, and HTSUSA Import Numbers: 1996 Product Export Import code Product description number /1 number /2 28133 01 28133 02 Carbon dioxide (gas, 28133 31 liquid, and solid)...... 2811.21.0000 2811.21.0000 28137 15 Argon.................... 2804.21.0000 2804.21.0000 28137 22 28137 32 28137 42 Hydrogen................. 2804.10.0000 2804.10.0000 28137 52 28137 62 28135 00 Nitrogen................. 2804.30.0000 2804.30.0000 28136 00 Oxygen................... 2804.40.0000 2804.40.0000 1/ Source: 1996 edition, Harmonized System-Based Schedule B, Statistical Classification of Domestic and Foreign Commodities Exported from the United States. 2/ Source: Harmonized Tariff Schedule of the United States, Annotated (1996).