方法531- 性能检测溶液, Method 531-Performance Check Solution,Varied conc. in Acetonitrile

标准品, EPA Method 541 Surrogate Standard,1000 μg/mL in Methanol

4,4'-二氟联苯, 4,4'-Difluorobiphenyl ,0.1 mg/mL in Acetonitrile

Chloral hydrate ,5.0 mg/mL in Acetone

水合三氯乙醛

挥发性有机酸套标, Method 552.1-Underivatized Analytes Set

Bromochloroacetic acid,40 μg/mL in MtBE

一溴一氯乙酸

552.2A卤代乙酸标准, Haloacetic acid Set

Bromochloroacetic acid,1000 μg/mL in MtBE

一溴一氯乙酸

DFTPPO,0.1 mg/mL in Acetonitrile

十氟三苯基磷

己醛-DNPH, Hexanal-DNPH,1000 μg/mL in MeOH:AcCN (95:5) (as deriv.)