Gilsonite Resin’s Content of
Polynuclear Aromatic Hydrocarbons (PNA’s)
Or Polycyclical Aromatic Hydrocarbons (PAH’s)
|
PNA Concentration in mg/kg (ppm) |
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Selects 300 Grade |
Alternate Foundry Grade |
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|
Foundry Grade |
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| PNA Type | |||
| Fluoranthene Benzofluoranthene (b+j+k) Benzo(a)pyrene Indeno(1,2,3-cd)pyrene Benzo(ghi)perylene Total PNA’s |
1.08 0.16 1.32 0.06 0.95 3.57 |
<0.23 0.08 0.64 0.04 0.64 1.63 |
0.27 0.05 0.93 <0.09 1.06 2.40 |