EPA Method 505Mix Back Catalog number: 92161 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1H-HXCHLOR 1-Hydroxychlordene, 1.2mL x 100ug/mL, nonane Price on request 79436 Biphenyl Price on request 3356.14-100-CY 4,4'-DDD (=TDE), 100µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 72-54-8 Price on request