甲基衍生物, Independent Check Standard Methyl Derivatives,Varied conc. in MtBE

性能检测溶液, Performance Check Solution,Varied conc. in MtBE

10组分校准溶液, Calibration Solution,Varied conc. in MtBE

524.2方法增补24组分挥发性有机物, Additions to Method 524.2,2.0 mg/mL in MeOH

525方法内标物标准, Method 525-Internal Standard,2.0 mg/mL in CH2Cl2

527农药标准, Method 527 Pesticide Standard B,500 μg/mL in Methanol

替代标准品, Surrogate Standard,Varied conc. in Methanol

EPA Method 529 Surrogate Standard Stock Solution,1000 μg/mL in Methylene chloride

氘代硝基苯

杀虫剂混标, Regulated Pesticide Mixture,0.1 mg/mL in Acetonitrile

苯基脲基准稀释标准品, Phenylurea Primary Dilution Standard,Varied conc. in Methanol