| 2403.99.20 |  | Prepared for marketing to the ultimate consumer in the identical form and package in which imported |  | 24.7¢/kg | Free (A+,AU,BH, CA,CL,D,E,IL,J, MA,MX,P,SG) | $1.21/kg | 
| 2501.00.00 | 00 | Salt (including table salt and denatured salt) and pure sodium chloride, whether or not in aqueous solution or containing added anticaking or free-flowing agents; sea water | t | Free |  | 26% | 
| 2503.00.00 |  | Sulfur of all kinds, other than sublimed sulfur, precipitated sulfur and colloidal sulfur |  | Free |  | Free | 
| 2504 |  | Natural graphite: |  |  |  |  | 
| 2505 |  | Natural sands of all kinds, whether or not colored, other than metal-bearing sands of chapter 26: |  |  |  |  | 
| 2506 |  | Quartz (other than natural sands); quartzite, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape: |  |  |  |  | 
| 2506.10.00 | 10 | Sands (other than natural) containing by weight 95 percent or more of silica and not more than 0.6 percent of oxide of iron | t |  |  |  | 
| 2510 |  | Natural calcium phosphates, natural aluminum calcium phosphates and phosphatic chalk: |  |  |  |  | 
| 2511 |  | Natural barium sulfate (barytes); natural barium carbonate (witherite), whether or not calcined, other than barium oxide of heading 2816: |  |  |  |  | 
| 2511.10 |  | Natural barium sulfate (barytes): |  |  |  |  | 
| 2511.20.00 | 00 | Natural barium carbonate (witherite) | kg | Free |  | 30% | 
| 2512.00.00 | 00 | Siliceous fossil meals (for example, kieselguhr, tripolite and diatomite) and similar siliceous earths, whether or not calcined, of an apparent specific gravity of 1 or less | t | Free |  | Free | 
| 2513 |  | Pumice; emery; natural corundum, natural garnet and other natural abrasives, whether or not heat-treated: |  |  |  |  | 
| 2513.20 |  | Emery, natural corundum, natural garnet and other natural abrasives: |  |  |  |  | 
| 2514.00.00 | 00 | Slate, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape | t | Free |  | 25% | 
| 2517 |  | Pebbles, gravel, broken or crushed stone, of a kind commonly used for concrete aggregates, for road metalling, or for railway or other ballast; shingle and flint, whether or not heat-treated; macadam of slag, dross or similar industrial waste, whether or not incorporating the materials cited in the first part of the heading; tarred macadam; granules, chippings and powder, of stones of heading 2515 or 2516, whether or not heat-treated: |  |  |  |  | 
| 2517.10.00 |  | Pebbles, gravel, broken or crushed stone, of a kind commonly used for concrete aggregates, for road metalling, or for railway or other ballast, shingle and flint, whether or not heat-treated |  | Free |  | 30% | 
| 2517.20.00 | 00 | Macadam of slag, dross or similar industrial waste, whether or not incorporating the materials cited in subheading 2517.10 | t | Free |  | 30% | 
| 2517.41.00 | 00 | Granules, chippings and powder, of stones of heading 2515 or 2516, whether or not heat-treated: |  |  |  |  | 
| 2519 |  | Natural magnesium carbonate (magnesite); fused magnesia; dead-burned (sintered) magnesia, whether or not containing small quantities of other oxides added before sintering; other magnesium oxide, whether or not pure: |  |  |  |  | 
| 2519.10.00 | 00 | Natural magnesium carbonate (magnesite) | t | Free |  | $10.33/t | 
| 2520 |  | Gypsum; anhydrite; plasters (consisting of calcined gypsum or calcium sulfate) whether or not colored, with or without small quantities of accelerators or retarders: |  |  |  |  | 
| 2523 |  | Portland cement, aluminous cement, slag cement, supersulfate cement and similar hydraulic cements, whether or not colored or in the form of clinkers: |  |  |  |  | 
| 2526 |  | Natural steatite, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rect- angular (including square) shape;talc: |  |  |  |  | 
| 2528 |  | Natural borates and concentrates thereof (calcined or not), but not including borates separated from natural brine; natural boric acid containing not more than 85 percent of H3BO3 calculated on the dry weight: |  |  |  |  |