TOC Calibration Standard

EPA Method 8121 Internal Standard

5 alpha(H),17 alpha(H),(20R)-3ß-Acetoxyergost-8(14)-ene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 4042-95-9

1,5-Dihydroxy-9,10-anthraquinone, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 117-12-4