EPA Method 552.1 - Surrogate Standard

2-Chloro-1,3-propanediol-d5,1000 µg/mL,MeOH,1mL,

4 Fluorinated Internal Standard Mix 4 Analytes, each Wt.% as listed; units: 1x10mL, 5x10mL neat Name Wt.% Name Wt.% Fluorobenzene 16.7 1-Fluoronaphthalene 8

7-Aminoflunitrazepam