gilsonite bitumen
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Gilsonite Resin’s Content ofPolynuclear Aromatic Hydrocarbons (PNA’s)Or Polycyclical Aromatic Hydrocarbons (PAH’s)
PNA Concentration in mg/kg (ppm)
Selects 300 Grade
Alternate Foundry Grade
Foundry Grade
PNA Type
FluorantheneBenzofluoranthene (b+j+k)Benzo(a)pyreneIndeno(1,2,3-cd)pyreneBenzo(ghi)perylene
Total PNA’s
1.080.161.320.060.95
3.57
<0.230.080.640.040.64
1.63
0.270.050.93<0.091.06
2.40