EPA Method 8330 Analyte Back Catalog number: 79079 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2772.6-100-AN Atrazine-desethyl, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 6190-65-4 Price on request 0178.16-500-IO 2-n-Butyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 147792-31-2 Price on request 10995.40-5MG Astaxanthin (Racemic),neat,neat,5mg, Price on request