| Lactitol Monohydrate | 46 | 0.737 | 0.01000 | 0.2540 |
| Lactose | 49 | 0.785 | 0.00610 | 0.1549 |
| Lead/Silica/Alumina Red | 120 | 1.923 | 0.00300 | 0.0762 |
| Lead, Red | 135 | 2.163 | 0.00170 | 0.0432 |
| Lead, Red/Boric Acid/Zinc O | 141 | 2.260 | 0.00130 | 0.0330 |
| Lead Oxide, Red | 157 | 2.516 | 0.00200 | 0.0508 |
| Lead Litharge | 167 | 2.676 | 0.00580 | 0.1473 |
| Lead Litharge | 250 | 4.006 | 0.03900 | 0.9906 |
| Lead Dross | 298 | 4.776 | 0.18750 | 4.7625 |
| Lignite | 24 | 0.385 | 0.18750 | 4.7625 |
| Lignite | 50 | 0.801 | 1.50000 | 38.1000 |
| Lime, Peel | 17 | 0.272 | 0.75000 | 19.0500 |
| Lime, Hydrated Type S | 23 | 0.369 | 0.00330 | 0.0838 |
| Lime, Hydrated | 25 | 0.401 | 0.01300 | 0.3302 |
| Lime, Hydrated | 30 | 0.481 | 0.00290 | 0.0737 |
| Lime, Hydrated | 33 | 0.529 | 0.00200 | 0.0508 |
| Lime | 38 | 0.609 | 0.00590 | 0.1499 |
| Lime, Hydrated Type S | 40 | 0.641 | 0.00330 | 0.0838 |
| Lime | 50 | 0.801 | 1.00000 | 25.4000 |
| Limestone | 45 | 0.721 | 0.00020 | 0.0051 |
| Limestone | 46 | 0.737 | 0.00150 | 0.0381 |
| Limestone | 55 | 0.881 | 0.00210 | 0.0533 |
| Limestone | 56 | 0.900 | 0.00197 | 0.0499 |
| Limestone | 58 | 0.929 | 0.00330 | 0.0838 |
| Limestone | 59 | 0.946 | 0.00330 | 0.0838 |
| Limestone | 63 | 1.010 | 0.00210 | 0.0533 |
| Limestone | 64 | 1.026 | 0.00200 | 0.0508 |
| Limestone | 65 | 1.042 | 0.00410 | 0.1041 |
| Limestone | 66 | 1.058 | 0.00260 | 0.0660 |
| Limestone | 67 | 1.074 | 0.00250 | 0.0635 |
| Limestone | 67 | 1.074 | 0.00250 | 0.0635 |
| Limestone | 67 | 1.074 | 1.50000 | 38.1000 |
| Limestone | 76 | 1.218 | 0.25000 | 6.3500 |
| Limestone | 77 | 1.234 | 0.25000 | 6.3500 |
| Limestone | 80 | 1.282 | 0.00160 | 0.0406 |
| Limestone | 82 | 1.314 | 0.00590 | 0.1499 |
| Limestone | 84 | 1.346 | 0.01650 | 0.4191 |
| Limestone | 88 | 1.410 | 0.13100 | 3.3274 |
| Limestone | 88 | 1.410 | 0.00480 | 0.1219 |
| Limestone | 88 | 1.410 | 0.00500 | 0.1270 |
| Limestone | 90 | 1.442 | 0.19650 | 4.9911 |
| Limestone | 91 | 1.458 | 0.39370 | 10.0000 |
| Limestone | 91 | 1.458 | 0.66670 | 16.9342 |
| Limestone | 92 | 1.474 | 0.03310 | 0.8407 |
| Limestone | 94 | 1.506 | 0.01170 | 0.2972 |
| Limestone | 94 | 1.506 | 0.05550 | 1.4097 |
| Limestone | 96 | 1.538 | 0.01000 | 0.2540 |
| Limestone | 97 | 1.554 | 0.03330 | 0.8458 |
| Limestone, Precipitated | 53 | 0.849 | 0.00270 | 0.0686 |
| Limestone/Iron Slag (70/30) | 79 | 1.266 | 0.00160 | 0.0406 |
| Limestone | 100 | 1.600 | 0.00786 | 0.1996 |
| Liquor Incinerator | 83 | 1.330 | 0.09300 | 2.3622 |
| Lithium Carbonate Crystals | 53 | 0.849 | 0.00130 | 0.0330 |
| Lithium Carbonate | 58 | 0.929 | 0.01110 | 0.2819 |
| Lithium Carbonate Pellets | 58 | 0.929 | 0.11110 | 2.8219 |
| Lithium Carbonate | 64 | 1.026 | 0.01110 | 0.2819 |
| Lithium Hydroxide | 34 | 0.545 | 0.01110 | 0.2819 |