EPA Method 525.2 Pesticide Level 5 Back Catalog number: 92842 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0980.28-10-IO d4 C28 alpha alpha alpha (20R)/C29 alpha alpha alpha (20R)-Methyl/Ethylcholestane, 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 680564 Fmoc-Cl (99 %), 5000mg Price on request 8881.8-50-IO Pentabromoethylbenzene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 85-22-5 Price on request