EPA Method 524.2 - Gases & Liquids Back Catalog number: 35001 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 680783 sec-Butylparaben, 100mg Price on request 66050 PCB No. 50, 100µg/ml in Isooctane, 1ml Price on request BFR-LCS Labelled Compounds Stock Solution, 1.2ml, toluene Price on request