EPA Method 524.2 - Additional Analytes Back Catalog number: 34052 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 96495 Hydromorphone-D3 Price on request E685102 Ethynyl Estradiol-2,4,16,16-d4, 1mg Price on request 94465 Toxaphene Price on request