1,2,4-Triazole-d3, 100µg/ml in Acetonitrile, 5ml

2,2,4,6,6-Pentachlorobiphenyl, BZ-104

9-Fluorenone-d8,1000 µg/mL,toluene,1mL,

EPA 1653 Chlorocathecols 7 Analytes, each 100µg/mL in methanol; unit: 1x1mL 4-Chlorocatechol [2138-22-9] 3,4-Dichlorocatechol 3,6-Dichlorocatechol 4,5-Dichlorocatechol [3428-24-8] 3,4,5-Trichlorocatechol 3,4,6-Trichlorocatechol Tetrachlorocatechol [