Atrazine-d5, 100µg/ml in Acetone, 1ml

1,2-Dichlorotridecane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 701920-72-1

Norfloxacin,neat,neat,100mg,

EPA Method 525.2 - IS/SS Mix