EPA Method 552.2 - Surrogate Standard

Methylmalonic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 516-05-2

Arochlor 1260 , 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 11096-82-5

Lindane (BHC gamma isomer), 250mg