Tris(4-chlorophenyl)methane, 1.2ml x 50ug/ml, nonane Back Catalog number: T4CPM Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 681811 Pyriofenone, 100 µg/ml, Acetonitrile, 1ml Price on request 677497 Pentachlorophenol, 10 µg/ml, Acetonitrile, 10ml Price on request 19112 EPA Method 624 Surrogate Standard Price on request