EPA Method 502/524 Volatile Standard, 2000µg/ml in MeOH, 1ml

Citric acid [3% wt]

Iotalamic acid meglumine salt

4,4'-DDD (=TDE), 100µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 72-54-8