2,3,4,5-Tetrachlorophenol acetate, 10.0 µg/ml, Is

(R)-(+)-Limonene, 100µg/ml in MeOH, 5ml

4-tert-Octylphenol diethoxylate,1000 µg/mL,MeOH,1mL,

Aroclor 1221 & Tetrachloro-m-xylene