PCB No. 185, 10 ng/µl, 10ml Back Catalog number: L20018500IO Availability: In the manufacturer's stock Price on request - + Recommended 74085 Guanylurea, 1000µg/ml in Water, 1ml Price on request 30073 EPA Method 515.2 Underivatized Price on request BPB 2,2-Bis(4-hydroxyphenyl)butane, 1.2ml x 50ug/ml, methanol Price on request