Geoscience Reference
In-Depth Information
TABLE 1.11
Atmospheric Particulate Matter
To Convert from
to
Multiply by
Milligrams/cubic meter (mg/m
3
)
Grams/cubic foot (g/ft
3
)
283.2 × 10
-6
Grams/cubic meter (g/m
3
)
0.001
Micrograms/cubic meter (µg/m
3
)
1000.0
Micrograms/cubic foot (µg/ft
3
)
28.32
Pounds/1000 cubic feet (lb/1000 ft
3
)
62.43 × 10
-6
Grams/cubic foot (g/ft
3
)
Milligrams/cubic meter (mg/m
3
)
35.3145 × 10
3
Grams/cubic meter (g/m
3
)
35.314
Micrograms/cubic meter (µg/m
3
)
35.314 × 10
3
Micrograms/cubic foot (µg/ft
3
)
1.0 × 10
6
Pounds/1000 cubic feet (lb/1000 ft
3
)
2.2046
TABLE 1.12
Concentration
To Convert from
to
Multiply by
Grams/cubic meter (g/m
3
)
Milligrams/cubic meter (mg/m
3
)
1000.0
Grams/cubic foot (g/ft
3
)
0.02832
Micrograms/cubic foot (µg/ft
3
)
1.0 × 10
6
Pounds/1000 cubic feet (lb/1000 ft
3
)
0.06243
Micrograms/cubic meter (µg/m
3
)
Milligrams/cubic meter (mg/m
3
)
0.001
Grams/cubic foot (g/ft
3
)
28.43 × 10
-9
Grams/cubic meter (g/m
3
)
1.0 × 10
-6
Micrograms/cubic foot (µg/ft
3
)
0.02832
Pounds/1000 cubic feet (lb/1000 ft
3
)
62.43 × 10
-9
Micrograms/cubic foot (µg/ft
3
)
Milligrams/cubic meter (mg/m
3
)
35.314 × 10
-3
Grams/cubic foot (g/ft
3
)
1.0 × 10
-6
Grams/cubic meter (g/m
3
)
35.314 × 10
-6
Micrograms/cubic foot (µg/ft
3
)
35.314
Pounds/1000 cubic feet (lb/1000 ft
3
)
2.2046 × 10
-6
Pounds/1000 cubic feet (lb/1000 ft
3
)
Milligrams/cubic meter (mg/m
3
)
16.018 × 10
3
Grams/cubic foot (g/ft
3
)
0.35314
Micrograms/cubic meter (µg/m
3
)
16.018 × 10
6
Grams/cubic meter (g/m
3
)
16.018
Micrograms/cubic foot (µg/ft
3
)
353.14 × 10
2
TABLE 1.13
Soil Test Conversion Factors
Soil Sample Depth (inches)
Multiply ppm by
3
1
6
2
7
2.33
8
2.66
9
3
10
3.33
12
4
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