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

3,3',4,5,5'-Pentachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

D5-Atrazine-desisopropyl, 100 µg/ml, Acetone, 1m

ISO 9377-2 Stearyl Stearate Test Solution Units: 1x10 mL, 5x10mL, 10x10mL Stearyl stearate 200mg Extraction solvent standard solution (S-4515) 100mL This solution is used to check t