EPA Method 508 Surrogate Standard

Tetrachlorocatechol , 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 1198-55-6

2-Butoxyethanol

2-Methoxy-3-methyl- and 2-methoxy-5-methylpyrazine, Isomer mixture, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no.