EPA Method 551.1 Surrogate Standard

Thiophene in Toluene Units: 5x1mL ampoule, 1x10mL screw-capped bottle Chiron No. Concentration µgS/g (ppm) Wt.% S-4053-0 Blank 0 S-4053-K 1 000 0.1000 S-4053-2.5K 2 500 0.2500 S-4053-5K

Morpholine-2,2,3,3,5,5,6,6-d8, neat, Solvent-neat, Unit 2g, # of units-1, Cas.no. 342611-02-3

3-Chlorobiphenyl, 50mg