Trifluoro(13C2)acetic acid, 50µg/ml in MeOH, 1,2ml

4,4'-DDD, 10.0 µg/ml, Cyclohexane, 10ml

Diisononyl phthalate-3,4,5,6-d4 ,100 µg/mL,MeOH,1mL,

2-Ethyltoluene, 200 µg/ml, Methanol, 1ml