Instrument Standard 2 Back Catalog number: 53078 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 18000-1150-100ME5 Theophylline, 100µg/ml in MeOH, 5ml Price on request 38148 (See Part # 38114) WP #2 Diesel Fuel as TPH Price on request 673203 Atrazine, 100 µg/ml, Acetonitrile, 5ml Price on request