Code 25 - Salt; sulfur; earth & stone; lime & cement plaster
2501 Salt including table & denatured, pure sodium chloride; sea water
250100 Salt incl tabl a dentrd, pure sodm chlor
2502 Unroasted iron pyrites
250200 Unroasted iron pyrites
2503 Sulfur of all kinds, other than sublimed, precipitated or colloidal sulfur
250310 Sulfur, crude or unrefined
250390 Sulfur, refined, nt sublimed, preciptd or colloidl
2504 Natural graphite
250410 Natural graphite in powder or in flakes
250490 Natural graphite except powder or flakes
2505 Natural sands of all kinds, except metal-bearing
250510 Silica sands and quartz sands, natural
250590 Sands, natural, nesoi
2506 Quartz (other than natural sands); quartzite
250610 Quartz (other than natural sands)
250621 Quartzite, crude or roughly trimmed
250629 Quartzite, other, not crude or roughly trimmed
2507 Kaolin and other kaolinic clays
250700 Kaolin and other kaolinic clays, incl calcined
2508 Other clays, andalusite, kyanite, sillimanite; mullite, chamotte or dinas earths
250810 Bentonite, including calcined
250820 Decolorizing earths and fuller's earth incl calcnd
250830 Fire clay including calcined
250840 Clays nesoi, including ball clays, incl calcined
250850 Andalucite, kyanite and sillimanite
250860 Mullite
250870 Chamotte or dinas earth
2509 Chalk
250900 Chalk
2510 Natural calcium phosphates, natural aluminum calcium phosphates & phosphatic chalk
251010 Ungrnd nat cal phsph, alum cal phos a phos chalk
251020 Nat cal phos, nat al cal phos a phos chlk, ground
2511 Natural barium sulfate; natural barium carbonate not barium oxide barytes, witherite
251110 Natural barium sulfate (barytes)
251120 Natural barium carbonate (witherite)
2512 Siliceous fossil meals & similar siliceous earths of specific gravity of 1 or less kieselguhr, tripolite, diatomite
251200 Siliceous fssl mls a erths w spec grav of 1 o lss
2513 Pumice; emery; natural corundum and garnet & other natural abrasives
251311 Pumice, crude or in irreg pcs incl crushed (abrsve
251319 Pumice, nesoi
251321 Nat abrsvs nesoi crude or in irreg pieces
251329 Nat abrasives excpt pumice, refined
2514 Slate, crude or roughly trimmed
251400 Slate, crude or roughly trimmed
2515 Marble, travertine & other calcareous monumental or building stone of specific gravity of 2.5 or more; alabaster
251511 Marble and travertine, crude or roughly trimmed
251512 Marble and travertine cut in blocks or slabs
251520 Calcrs mnmtl or bldg stone nesoi; alabaster
2516 Granite, porphyry, basalt, sandstone & other monumental or building stone, crude or cut etc.
251611 Granite, crude or roughly trimmed
251612 Granite, cut into blocks or slabs
251621 Sandstone, crude or roughly trimmed
251622 Sandstone, cut into blocks or slabs
251690 Basalt, porphyry and other mnmntl or bldg stone
2517 Pebbles, gravel, brocken or crushed stone; macadam of slag, dross or similar waste
251710 Pebbles, gravel etc. for concrete aggregates etc.
251720 Macadam of slag, dross or similar ind waste
251730 Tarred macadam
251741 Marble granules, chippings and powder
251749 Stone granules, chippings a pwdrs (ex mrbl) nesoi
2518 Dolomite, calcined or not, roughly trimmed etc.
251810 Dolomite not calcined
251820 Calcined dolomite
251830 Agglomerated dolomite (including tarred dolomite)
2519 Natural magnesium carbonate; fused magnesia; dead-burned magnesia; other magnesium oxide magnesite
251910 Natural magnesium carbonate
251990 Fused magnesia; dead-burn magnesia; magnesia nesoi
2520 Gypsum; anhydrite; plasters (consisting of calcium gypsum or sulfate)
252010 Gypsum; anhydrite
252020 Plasters constng of calcnd gypsum or calcm sulfate
2521 Limestone flux; limestone & other calcareous stone used for manufacture of lime & cement
252100 Lmestn flux; lmstn a oth cal sto usd mfr lime, cmt
2522 Quicklime, slaked lime and hydraulic lime
252210 Quicklime
252220 Slaked lime
252230 Hydraulic lime
2523 Cements..portland, aluminous, slag, supersulfate & similar hydraulic cements
252310 Cement clinkers
252321 White portland cement whthr or nt art colored
252329 Portland cement except white portland cement
252330 Aluminous cement
252390 Hydraulic cement, other, nesoi
2524 Asbestos
252400 Asbestos
2525 Mica, including splittings; mica waste
252510 Crude mica and mica rifted into sheets or splttngs
252520 Mica powder
252530 Mica waste
2526 Natural steatite, roughly trimmed or not; talc
252610 Natural steatite and talc, nt crshd, nt pwdrd
252620 Natural steatite and talc, crushed or powdered
2527 Natural cryolite; natural chiolite
252700 Natural cryolite; natural chiolite
2528 Natural borates & concentrates; natural boric acid not more than 85% h3bo3 on dry weight
252810 Natural sodium borates
252890 Natural borates and natural boric acid nesoi
2529 Feldspar; leucite; nepheline, nepheline syenite; fluorspar
252910 Feldspar
252921 Fluorspar contng by wght 97% or under calcm fluord
252922 Fluorspar ov 97 pc calcm fluord by wght
252930 Leucite; nepheline and nepheline syenite
2530 Other mineral substances not specified vermiculite, perlite, chlorites, kieserite, epsom salts, celestite
253010 Vermiculite, perlite and chlorites, unexpanded
253020 Kieserite, epsom salts (natural magnesium sulfate)
253030 Earth colors
253040 Natural micaceous iron oxides
253090 Mineral substances neso
Code 26 - Ores, slag and ash
2601 Iron ores & concentrates, including roasted iron pyrites
260111 Iron ore concen nesoi & non-agglomerated iron ore
260112 Agglomerated iron ores
260120 Roasted iron pyrites
2602 Manganese ores a concentrates including manganiferous iron ores
260200 Manganese ores a concntrts inc mangnfrs iron ores
2603 Copper ores and concentrates
260300 Copper ores and concentrates
2604 Nickel ores and concentrates
260400 Nickel ores and concentrates
2605 Cobalt ores and concentrates
260500 Cobalt ores and concentrates
2606 Aluminum ores and concentrates
260600 Aluminum ores and concentrates
2607 Lead ores and concentrates
260700 Lead ores and concentrates
2608 Zinc ores and concentrates
260800 Zinc ores and concentrates
2609 Tin ores and concentrates
260900 Tin ores and concentrates
2610 Chromium ores and concentrates
261000 Chromium ores and concentrates
2611 Tungsten ores and concentrates
261100 Tungsten ores and concentrates
2612 Uranium or thorium ores and concentrates
261210 Uranium ores and concentrates
261220 Thorium ores and concentrates
2613 Molybdenum ores and concentrates
261310 Molybdenum ores and concentrates roasted
261390 Molybdenum ores and concentrates not roasted
2614 Titanium ores and concentrates
261400 Titanium ores and concentrate
2615 Niobium, tantalum, vanadium & zirconium ores & concentrates columbium
261510 Zirconium ores and concentrates
261590 Niobium, tantalum & vanadium ores & concentrates
2616 Precious metal ores and concentrates
261610 Silver ores and concentrates
261690 Precious metal ores & concentrates, except silver
2617 Other ores and concentrates antimony, beryllium
261710 Antimony ores and concentrates
261790 Ores and concentrates, nesoi
2618 Granulated slag from iron or steel manufacture slag sand
261800 Granulated slag fr iron or steel manufacture
2619 Slag, dross, scalings & other waste from manufacture of iron or steel
261900 Slag, dross, scalings a oth waste frm manu irn/stl
2620 Ash & residues (not from iron or steel manufacture) with metal content
262011 Hard zinc spelter
262019 Ash and residues, mainly zinc exc hard zinc splter
262020 Ash and residues nesoi, containing mainly lead
262030 Ash and residues containing mainly copper
262040 Ash and residues nesoi, containing mainly aluminum
262050 Ash and residues not ios mnfr, mainly vanadium
262090 Ash and residues nesoi, containing metals nesoi
2621 Other ash & slag, including seaweed ash (kelp)
262100 Ash and slag nesoi, including seaweed ash (kelp)
Code 27 - Mineral fuels, mineral oils & products of their distillation; bitumin substances; mineral wax
2701 Coal; briquettes, ovoids and similar solid fuels manufactured from coal
270111 Anthracite coal, not agglomerated
270112 Bituminous coal, not agglomerated
270119 Other coal, not agglomerated
270120 Briquettes, ovoids, similar solid fuels from coal
2702 Lignite, agglomerated or not, excluding jet
270210 Lignite, not agglomerated, excluding jet
270220 Agglomerated lignite, excluding jet
2703 Peat (including peat litter), agglomerated or not
270300 Peat (including peat litter), incl agglomrtd
2704 Coke & semicoke of..coal, lignite, peat, agglomerated or not; retort carbon
270400 Coke etc of coal, lignite or peat; retort carbon
2705 Coal gas, water gas, producer gas & similar gases, not petroleum gases & other gaseous hydrocarbons
270500 Coal gs, wtr gs, prdcr gs etc, ex pet gs a oth gs h
2706 Mineral tars, including reconstituted tars
270600 Mineral tars, including reconstituted tars
2707 Oils & other products from distillation of high temp coal tar; similar products where aromatic exceeds nonaromatic constituents benzene, toluene, xylenes, naphthalene, phenols
270710 Benzene
270720 Toluene
270730 Xylenes
270740 Naphthalene
270750 Oth arom hydcns 65pct ao dstls a 250dc astm d 86
270760 Phenols
270791 Creosote oils
270799 Oils & products nesoi as coal tar distillates etc
2708 Pitch & pitch coke from coal tar or other mineral tars
270810 Pitch from coal and other mineral tars
270820 Pitch coke from coal and other mineral tars
2709 Crude oil from petroleum and bituminous mineral
270900 Crude oil from petroleum and bituminous minerals
2710 Oil (not crude) from petrol & bituminous minerals etc.
271000 Oil (not crude) from petrol & bitum mineral etc.
2711 Petroleum gases & other gaseous hydrocarbons propane, butane, ethylene
271111 Natural gas, liquefied
271112 Propane, liquefied
271113 Butanes, liquefied
271114 Ethylene, propylene, butylene and butadiene liqifi
271119 Petroleum gases etc., liquified, nesoi
271121 Natural gas, gaseous
271129 Petroleum gases etc., in gaseous state, nesoi
2712 Petroleum jelly; mineral waxes & similar products
271210 Petroleum jelly
271220 Paraffin wax less than 0.75% oil by weight
271290 Other mineral waxes, nesoi
2713 Petroleum coke, petroleum bitumen & other residues of petroleum oils or oils from bituminous minerals
271311 Petroleum coke, not calcined
271312 Petroleum coke, calcined
271320 Petroleum bitumen
271390 Residue of pet oils or bitumin oils nesoi
2714 Bitumen & asphalt, natural; shale & tar sands; asphaltites & asphaltic rocks
271410 Bituminous or oil shale and tar sands
271490 Bitumen a asphalt, asphaltites and asphaltic rocks
2715 Bituminous mixtures from..natural asphalt, natural & petroleum bitumen, mineral tar, mineral tar pitch bituminous mastics, cut-backs
271500 Bit mix fr nat asph, nat bit, pet bit, min tar or pt
2716 Electrical energy
271600 Electrical energy