524方法VOC代用标准(4-溴氟苯;1,2-二氯苯-D4), 4-Bromofluorobenzene &1,2-Dichlorobenzene-d4,2.0 mg/mL in MeOH

25种SVOC, Regulated Semi-Volatiles Mixture,500 μg/mL in Ethyl acetate

12种分析物溶液, Analyte Fortification Solution,Varied conc. in Methanol

全扫描质谱校准套标, Full Scan MS Calibration Set

标准品, EPA Method 530 Surrogate Standard,500 μg/mL in Methanol

苯基脲基准浓缩标准品, Phenylurea Concentrate Standard,5.0 mg/mL in Methanol

EPA 537方法标准溶液,14种全氟类化合物混标, M-537 Native Compound Standard,50 μg/mL in Acetonitrile:Water (95:5)

Endosulfan I ,10 μg/mL in MtBE

alpha-硫丹

实验室性能检测溶液, Laboratory Performance Check Solution,Varied conc. in MtBE

甲基衍生物标准品, Method 552.1-Methyl Derivatives