EPA Method 528 Internal Standard Back Catalog number: 93188 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 96898 Sulfides Mix Price on request C14840000 Mecoprop-2,4,4-trimethylpentyl ester, 100mg Price on request 2162.12-50-IO 6-Fluoro-2,3',4,4'-tetrabromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 87310-24-6 Price on request