VOC Surrogate Standard Back Catalog number: 94412 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70380 Tetrahydrofuran Price on request L20545000AL Benzo(a)anthracene, 10µg/ml in Acetonitrile, 10ml Price on request 50459 Copper AA Standard (Cu) Price on request