F4 (C34- C50 hydrocarbons).

CCME Tier 1 Metals – Soils, Sludges * Al, Sb, As, Ba, Be, B, Cd, Cr, Cr(VI), Co, Cu, Fe, Pb, Hg, Mo, Ni, Se, Ag, Sr, Tl, Ti, U, V, Zn, Zr