Internal & Surrogate Standard Back Catalog number: 97790 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50769 EPA Method 200.8 Price on request 70126 1,3-Dichlorobenzene, 1000µg/ml in MeOH, 1ml Price on request 10006R CLP Semi-Volatiles - Benzidines Price on request