Required Information |
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Material: |
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Length of Conveyor (ft) |
Use the "tab" key to navigate between input cells, and perform final calculations. |
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Material Characteristics |
Material: |
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Angle of
Repose |
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Wgt of
Material |
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Linear Measurements (Based on 18° Conveyor Inclination and Conical Height of 97% of Maximum) |
Height of
Stacker
(ft) |
|
Horizontal
Distance of
Stacker
(ft) |
|
Radius of
Conical Pile
(ft) |
|
Horizontal Distance of
Stacker + Stockpile
(ft) |
|
Height of
Conical Pile
(ft) |
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Volumetric and Weight Measurements |
Conical
Pile |
5° Arc |
10° Arc |
15° Arc |
20° Arc |
Yds³ |
Tons |
Yds³ |
Tons |
Yds³ |
Tons |
Yds³ |
Tons |
Yds³ |
Tons |
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25° Arc |
30° Arc |
35° Arc |
40° Arc |
45° Arc |
Yds³ |
Tons |
Yds³ |
Tons |
Yds³ |
Tons |
Yds³ |
Tons |
Yds³ |
Tons |
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50° Arc |
55° Arc |
60° Arc |
65° Arc |
70° Arc |
Yds³ |
Tons |
Yds³ |
Tons |
Yds³ |
Tons |
Yds³ |
Tons |
Yds³ |
Tons |
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75° Arc |
80° Arc |
85° Arc |
90° Arc |
Yds³ |
Tons |
Yds³ |
Tons |
Yds³ |
Tons |
Yds³ |
Tons |
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95° Arc |
100° Arc |
105° Arc |
110° Arc |
115° Arc |
Yds³ |
Tons |
Yds³ |
Tons |
Yds³ |
Tons |
Yds³ |
Tons |
Yds³ |
Tons |
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120° Arc |
125° Arc |
130° Arc |
135° Arc |
140° Arc |
Yds³ |
Tons |
Yds³ |
Tons |
Yds³ |
Tons |
Yds³ |
Tons |
Yds³ |
Tons |
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145° Arc |
150° Arc |
155° Arc |
160° Arc |
165° Arc |
Yds³ |
Tons |
Yds³ |
Tons |
Yds³ |
Tons |
Yds³ |
Tons |
Yds³ |
Tons |
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170° Arc |
175° Arc |
180° Arc |
185° Arc |
Yds³ |
Tons |
Yds³ |
Tons |
Yds³ |
Tons |
Yds³ |
Tons |
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 |
This document is offered for the purposes of estimating volume and weight of a stockpile. No liability is assumed for the accuracy of the data calculated herein, either expressed or implied by Smalis Inc. For materials that exhibit a range of Angles of Repose, based on parameters such as moisture content or variations in size, a median value of the range is used in order to establish the volumetric and weight. Redistribution of this spreadsheet or source code, in any form, is strictly prohibited. |
Alfalfa / Ground |
16 |
45 |
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Alumina |
60 |
30 |
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Aluminum / Pulverized |
47.5 |
35 |
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Aluminum / Lumpy |
55 |
35 |
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Aluminum Oxide |
95 |
30 |
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Ammonium Sulphate |
52.5 |
45 |
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Asbestos / Shredded |
22.5 |
45 |
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Ashes / Soft Coal |
40 |
40 |
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Ashes / Dry |
40 |
45 |
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Ashes / Wet |
47.5 |
45 |
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Asphalt / Crushed |
45 |
35 |
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Bagasse |
7.5 |
45 |
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Bakelite / Powder |
35 |
45 |
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Baking Powder |
45 |
35 |
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Bark / Wood Refuse |
15 |
45 |
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Barley |
38 |
25 |
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Basalt |
100 |
25 |
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Bauxite / Crushed |
80 |
35 |
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Beans / Castor / Whole |
37.5 |
25 |
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Beans / Navy |
50 |
25 |
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Beans / Cocoa |
37.5 |
35 |
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Beans / Whole |
45 |
45 |
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Bentonite / Crude |
37.5 |
45 |
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Bentonite / Fine |
55 |
45 |
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Bones / Pulverized |
55 |
45 |
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Borax / Fine |
52.5 |
35 |
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Borax / Coarse |
65 |
35 |
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Bran |
16 |
35 |
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Brewers Grain / Dry |
30 |
45 |
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Brewers Grain / Wet |
57.5 |
45 |
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Buck Wheat |
40 |
25 |
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Calcium / Carbide |
75 |
35 |
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Carbon Black / Pellets |
25 |
25 |
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Carbon Black / Powder |
5 |
35 |
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Cast Iron Chips |
110 |
45 |
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Cement / Clinker |
82.5 |
35 |
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Cement / Portland |
90 |
35 |
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Chalk / Fine |
70 |
45 |
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Chalk / Lumpy |
87.5 |
45 |
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Charcoal / Wood |
22.5 |
35 |
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Chromium Ore |
132.5 |
35 |
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Cinders / Coal |
40 |
35 |
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Clay / Dry / Lumpy |
67.5 |
35 |
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Clay / Dry / Fine |
110 |
35 |
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Coal / Anthracite / Loose |
55 |
30 |
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Coal / Bituminous / Loose |
47.5 |
35 |
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Coal / Bituminous / Coarse |
55 |
35 |
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Coal / Anthracite / Coarse |
67.5 |
35 |
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Cocoa Nibs |
37.5 |
35 |
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Cocoanut / Shredded |
22.5 |
45 |
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Coffee / Roasted Beans |
26 |
25 |
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Coffee / Fresh Beans |
35 |
35 |
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Coke / Loose |
27.5 |
35 |
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Coke / Petroleum Calcinated |
40 |
35 |
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Coke / Pulverized |
30 |
45 |
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Copper Ore |
135 |
35 |
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Copper Sulfate |
80 |
30 |
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Cork / Ground |
10 |
45 |
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Corn / Shelled |
45 |
25 |
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Corn / Sugar |
30 |
35 |
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Corn / Meal |
36 |
35 |
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Corn / Grits |
42.5 |
35 |
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Cottonseed / Dry / De-linted |
35 |
35 |
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Cottonseed / Meal |
37.5 |
35 |
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Cottonseed / Meats |
40 |
35 |
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Cottonseed / Cake / Lumpy |
42.5 |
35 |
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Cottonseed / Hulls |
12 |
45 |
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Cottonseed / Dry / Not de-linted |
21.5 |
45 |
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Cryolite |
100 |
35 |
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Cullet |
100 |
35 |
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Diatomaceous Earth |
12.5 |
35 |
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Dolomite / Lumpy |
95 |
35 |
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Dolomite / Pulverized |
46 |
40 |
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Earth / Fullers Dry |
32.5 |
23 |
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Earth / Dry |
75 |
35 |
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Earth / Moist |
92.5 |
40 |
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Emery |
225 |
25 |
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Epsom Salt |
45 |
35 |
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Fish / Meal |
37.5 |
40 |
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Flaxseed / Whole |
45 |
25 |
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Flaxseed / Meal |
25 |
35 |
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Fledspar / Lumps |
85 |
35 |
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Fledspar / Dust |
90 |
40 |
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Flour / Wheat |
37.5 |
45 |
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Flue Dust / Dry |
30 |
20 |
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Fluorspar / Lumps |
95 |
45 |
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Fluorspar / Dust |
90 |
45 |
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Foundry / Refuse |
70 |
35 |
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Foundry / Sand / Loose |
85 |
35 |
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Galena |
250 |
35 |
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Garbage / Average |
30 |
25 |
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Glass / Batch Fiber |
50 |
10 |
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Glass / Broken |
90 |
10 |
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Glass / Batch Wool |
90 |
35 |
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Glue / Animal / Flaked |
35 |
25 |
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Glue / Vegetable / Powdered |
40 |
35 |
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Gluten / Meal |
39 |
35 |
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Granite / Lumps |
160 |
25 |
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Graphite / Powder |
30 |
25 |
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Graphite / Flakes |
40 |
35 |
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Graphite / Ore |
70 |
35 |
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Grass Seed |
10 |
35 |
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Gravel / Wet |
110 |
35 |
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Gravel / Dry |
95 |
35 |
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Gypsum / Ground |
77.5 |
35 |
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Gypsum / Lumps |
95 |
35 |
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Hominy |
42.5 |
35 |
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Hops / Spent / Dry |
30 |
45 |
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Hops / Spent / Wet |
57.5 |
45 |
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Ice / Crushed |
37.5 |
20 |
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Ilmenite Ore |
150 |
35 |
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Iron Ore / Pellets |
130 |
35 |
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Iron Ore |
150 |
35 |
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Iron Sulfide |
130 |
35 |
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Iron Sulphate |
60 |
35 |
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Kaolin / Clay |
60 |
35 |
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Lactose |
30 |
35 |
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Lead Ore / Crushed |
225 |
30 |
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Lead Oxides |
105 |
40 |
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Lead Sulfate |
180 |
45 |
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Lignite / Air Fried |
50 |
35 |
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Lime / Hydrated |
40 |
40 |
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Lime / Pebble |
35 |
40 |
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Lime / Ground |
62.5 |
40 |
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Limestone / Loose |
90 |
35 |
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Limestone / Pulverized |
87.5 |
45 |
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Linseed / Whole |
47.5 |
25 |
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Linseed / Meal |
35 |
35 |
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Magnesium / Sulfate |
50 |
35 |
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Magnesium / Chloride |
32.5 |
40 |
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Malt / Dry |
27.5 |
30 |
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Malt / Meal |
37.5 |
35 |
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Malt / Wet |
62.5 |
45 |
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Manganese / Sulfate |
70 |
35 |
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Manganese / Oxide |
120 |
35 |
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Manganese / Ore |
132.5 |
40 |
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Marble / Crushed |
87.5 |
35 |
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Marl |
80 |
35 |
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Mica / Flakes |
20 |
20 |
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Mica / Ground |
15 |
35 |
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Milk / Dried / Flaked |
5 |
35 |
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Milk / Powdered |
25 |
40 |
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Milk / Malted |
30 |
45 |
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Milo Maize |
57.5 |
35 |
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Molybdenum Ore |
105 |
40 |
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Niacin |
35 |
35 |
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Nickel / Cobalt Sulfate Ore |
115 |
35 |
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Oats |
30 |
25 |
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Oats / Rolled |
20 |
35 |
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Oil Cake |
50 |
45 |
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Oxalic Acid Crystals |
60 |
35 |
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Oyster Shells / Whole |
80 |
35 |
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Oyster Shells / Ground |
55 |
35 |
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Paper Pulp Stock |
50 |
20 |
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Peanuts / Not Shelled |
17.5 |
35 |
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Peanuts / Shelled |
40 |
35 |
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Phosphate / Fertilizer |
55 |
35 |
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Phosphate / Rock / Crushed |
80 |
35 |
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Potash |
75 |
30 |
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Potassium / Nitrate |
77.5 |
25 |
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Potassium / Chloride |
125 |
35 |
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Potassium / Sulfate |
45 |
45 |
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Pumice / Ground |
42.5 |
45 |
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Pyrites / Lumps |
140 |
25 |
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Pyrites / Pellets |
125 |
35 |
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Quartz / Sand |
75 |
25 |
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Quartz / Lumps |
97.5 |
25 |
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Rice / Hulled |
47.5 |
20 |
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Rice / Rough |
35 |
35 |
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Rice / Grits |
42.5 |
35 |
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Rock / Crushed |
125 |
30 |
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Rubber / Pellets |
52.5 |
35 |
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Rubber / Ground / Scrap |
30 |
45 |
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Rye / Meal |
37.5 |
20 |
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Rye |
43.5 |
25 |
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Salt / Cake |
87.5 |
30 |
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Salt / Coarse |
50 |
35 |
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Salt / Fine |
75 |
35 |
|
|
|
|
|
|
|
Sand / Loose |
90 |
35 |
|
|
|
|
|
|
|
Sand / Dry |
100 |
35 |
|
|
|
|
|
|
|
Sand / Wet |
120 |
45 |
|
|
|
|
|
|
|
Sandstone |
85 |
35 |
|
|
|
|
|
|
|
Sawdust |
17.5 |
30 |
|
|
|
|
|
|
|
Scale / Rolling Mill |
142.5 |
45 |
|
|
|
|
|
|
|
Sewage / Sludge / Dry |
50 |
35 |
|
|
|
|
|
|
|
Sewage / Sludge / Wet |
55 |
35 |
|
|
|
|
|
|
|
Shale / Broken |
95 |
25 |
|
|
|
|
|
|
|
Shale / Crushed |
87.5 |
40 |
|
|
|
|
|
|
|
Silica Gel / Dry |
45 |
35 |
|
|
|
|
|
|
|
Slag / Granular / Dry |
62.5 |
25 |
|
|
|
|
|
|
|
Slag / Blast Furnace |
85 |
25 |
|
|
|
|
|
|
|
Slag / Granular / Wet |
95 |
45 |
|
|
|
|
|
|
|
Slate / Ground |
85 |
30 |
|
|
|
|
|
|
|
Soap |
17.5 |
35 |
|
|
|
|
|
|
|
Soda Ash / Brquettesi |
50 |
20 |
|
|
|
|
|
|
|
Soda Ash / Heavy |
60 |
30 |
|
|
|
|
|
|
|
Soda Ash / Light |
25 |
35 |
|
|
|
|
|
|
|
Sodium Aluminum / Ground |
72 |
35 |
|
|
|
|
|
|
|
Sodium Nitrate / Ground |
75 |
24 |
|
|
|
|
|
|
|
Sodium Phosphate |
57.5 |
35 |
|
|
|
|
|
|
|
Soybeans / Whole |
47.5 |
25 |
|
|
|
|
|
|
|
Soybeans / Cracked |
35 |
35 |
|
|
|
|
|
|
|
Starch / Powered |
35 |
25 |
|
|
|
|
|
|
|
Steel / Chips |
125 |
35 |
|
|
|
|
|
|
|
Steel / Turnings |
90 |
45 |
|
|
|
|
|
|
|
Sugar / Granulated / Dry |
52.5 |
35 |
|
|
|
|
|
|
|
Sugar / Granulated / Wet |
60 |
40 |
|
|
|
|
|
|
|
Sugar / Cane / Knifed |
16.5 |
45 |
|
|
|
|
|
|
|
Sugar / Cane / Raw |
60 |
45 |
|
|
|
|
|
|
|
Sulphur / Dust |
60 |
35 |
|
|
|
|
|
|
|
Sulphur / Lumps |
82.5 |
35 |
|
|
|
|
|
|
|
Taconite / Pellets |
130 |
35 |
|
|
|
|
|
|
|
Talc / Granulated |
60 |
20 |
|
|
|
|
|
|
|
Titanium Dioxide |
140 |
35 |
|
|
|
|
|
|
|
Titanium Sponge |
65 |
45 |
|
|
|
|
|
|
|
Tobacco / Leaves |
14 |
45 |
|
|
|
|
|
|
|
Tobacco / Stems |
15 |
45 |
|
|
|
|
|
|
|
Tobacco / Scraps |
20 |
45 |
|
|
|
|
|
|
|
Traprock / Lumps |
105 |
35 |
|
|
|
|
|
|
|
Traprock / Crushed |
102.5 |
35 |
|
|
|
|
|
|
|
Walnut / Shells |
40 |
35 |
|
|
|
|
|
|
|
Wheat |
48 |
25 |
|
|
|
|
|
|
|
Wheat. Germ / Dry |
25 |
25 |
|
|
|
|
|
|
|
Wheat / Cracked |
42.5 |
35 |
|
|
|
|
|
|
|
Wood Chips |
20 |
45 |
|
|
|
|
|
|
|
Zinc Ore / Granular |
160 |
35 |
|
|
|
|
|
|
|
Zinc Oxide |
22.5 |
45 |
|
|
|
|
|
|
|