Methadone/Methaqualone/Propoxyphene Back Catalog number: 96626 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 30095 EPA Method 551 - Analytes Mix “B”, 2000µg/ml in MTBE, 1ml Price on request L15970000ME Pentachlorophenol, 10µg/mL in MeOH, 10ml Price on request 94026 2003Mix 1 WY06 Price on request