EPA Method 8270C Pesticide Mix #20 Back Catalog number: 91003 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-1234678-S 1,2,3,4,6,7,8-Heptachlorodibenzofuran , 1.2ml x 50ug/ml, nonane Price on request S-4444-2.5LX2 Mixed Alcohols, Butanol/Methanol (63:37) Price on request 1860.14-K-IO 1,1,3,3,5-Pentamethylindan, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 81-03-8 Price on request
