2-(2-Hydroxyethoxy)ethyl 2-hydroxypropyltetrabromo phthalate,50 µg/mL ,toluene,1mL,

3-Methyl-2,2',4,6'-tetrachlorodiphenylmethane, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no.

2-Ethoxyethyl acetate, neat, Solvent-neat, Unit 4mL, # of units-1, Cas.no. 111-15-9

Quantitative Crude Oil Standard ASTM D-5307