Hexachlorocyclopentadiene Back Catalog number: 79142 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-IS-C40 Mass-Labelled PCDD/PCDF Internal Standard Solution, 1.2ml, nonane Price on request 52059 Tuning Solution- Method 200.7 section 7.7 Price on request 92661 Pesticide Mix #1 Price on request