EPA Method 515.1 Internal Standard

D5-Norfloxacin, 100 µg/ml, Acetonitrile, 1ml

2,3,4-Trichloroaniline, 100 µg/ml, Methanol, 5ml

Allyl 2,4,6-tribromophenyl ether, 1.2ml x 50ug/ml, toluene