EPA Methd 8330 Standard Back Catalog number: 93769 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4056-KIT Thiophene/2-Methylthiophene (2:1) in isooctane/Toluene(3:1); Units: 5x1mL ampoules, 1x10mL screw-capped bottle Chiron No. Concentration µgS/g (ppm) Wt.% S-4056-0 Blank 0 S-4056-5 5 Price on request 79318 Endosulfan sulphate Price on request 10869.13-10-AN U-(13C13)-Citrinin,10 µg/mL,acetonitrile,1.2mL Price on request