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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