EPA Method 552 Surrogate Standard Methyl Ester

Flame-Retardant-Mix 4, 100 µg/ml, Methanol, 5ml

Profenofos

S-4331 B[a]P/HCB Internal Standard (solvent - Nonane) Product Concentration Hexachlorobenzene-13C6 10 µg/mL 1088,20 Benzo[a]pyrene-d12 100 µg/mL Solvents: n-Hexane