gilsonite bitumen

Gilsonite polynuclear and polycyclical aromatic

Gilsonite Resin’s Content of
Polynuclear 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

   
    

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

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