2,3,5-Trichloroanisole

2,3,3',4'-Tetrachlorobiphenyl (56)

12-Methylbenz[a]anthracene,200 µg/mL,toluene,1mL,

EN 15721 Internal Standard Stock Solution, procedure A 1382.2 Ethanol 8mL Pentanol-3 80µL (Gives a concentration of approx. 8mg/mL)