EPA Method 602/8020 Back Catalog number: 19197 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-IS-H40 Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request 679834 1,2,5,6,9,10-Hexabromocyclododecane, 100 µg/ml, M Price on request 59339 Perchlorate Level 1 Price on request