EPA Method 8330 Analyte Back Catalog number: 79077 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 680836 D10-Biphenyl, 100 µg/ml, Cyclohexane, 1ml Price on request 82522 EPA Method 8250 Price on request R120002 Ranitidine-d6 Hydrochloride (>90%), 1mg Price on request