1,1-Dichloro-2,2-bis(4-Chlorophenyl-d4)ethane, 100µg/mL in IO, 1ml

Aldicarb-sulfone, 10.0 µg/ml, Acetonitrile, 10ml

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

Ethyl (S)-(-)-lactate