Gilsonite polynuclear and polycyclical aromatic

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