PAH Field Surrogate Back Catalog number: 93646 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674534 Benzyldimethyldodecylammonium chloride, 10.0 µg/ml Price on request 38125 CWA Toxaphene Price on request 52148 TCLP 1312Metals Price on request