EPA 1620 Standard 1 Back Catalog number: 52139 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended L20016600IO PCB No. 166, 10 ng/µl, 10ml Price on request 70256 Propachlor, 1000µg/ml in MeOH, 1ml Price on request 93694 EPA 525.2 Phenols Price on request