Alcohol Tox Screen Conc Back Catalog number: 96650 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 81400 EPA Method 8140/8141 Analytes Price on request 2518.7-100-ME Theophylline, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 58-55-9 Price on request 11723.12-100-IO 2,3,3',4,6-Pentachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request