CLP Semi-Volatile Base/Neutral Surrogate Std Back Catalog number: 22016 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 93678 EPA Method 8270 Additional Analytes Price on request 13430-AN5 DNPH - Mix 4, 10µg/ml in Acetonitrile, 5ml Price on request 98526 Alcohol Mix Price on request