EPA Method 525 Pesticide Standard Sub Conc Back Catalog number: 98307 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2125.12-10-IOX5 Arochlor 1221 , 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 11104-28-2 Price on request 26002 Purgeable Surrogate Standard Price on request ZS22102107HP Chloroparaffin C10-C13Mix 7 in n-Heptane, 3 x 1ml Price on request