Ethanol standard in water,5.0g/L,water, 1.5mL

1,2,3,4,6-Pentachloronaphthalene,,,,

d4 C29 alpha alpha alpha (20R)-Ethylcholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no.

Sulfamethoxazole, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 723-46-6