EPA Method 8330 Analyte

L-(+)-Ascorbic acid, certified, 0.25g

Calibration Mixtures: Di-n-butyl sulfide in Isooctane Unit: 1x10mL screw-capped bottle Isooctane µgS/g (ppm) Wt.% S-4050-0-10IO 0 Blank 0 S-4050-1-10IO 1 0.0001 Etc. S-4050-10Kit Kit of above solutions

Phthalic acid, bis-n-undecyl ester, certified, 0.1g