EPA Method 526 Standard Back Catalog number: 93199 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79175 beta-BHC, 1000µg/ml in Acetone, 1ml Price on request X9153 N-Nitroso-N-methylethylamine Price on request S-4037-5K-10IO 2-Bromothiophene in isooctane, Blank Units: 5x1mL ampoules Price on request