EPA Method 525.2 Pesticide Level 4 Back Catalog number: 92843 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 73327 Perfluoroheptanoic acid [PFHpA] Price on request 8979.47-K-T 3-Chloro-1,2-propandiol-dibehenate-d5 Price on request 673908 Hexaflumuron, 10 µg/ml, Ethyl acetate, 10ml Price on request