*EPA Method 521 Internal Standard Stock Solution, 1000 µg/mL in Methylene chloride, CAS # 93951-96-3, 5 x 1 mL TPH This Certified Reference Material of

This Certified Reference Material of varied concentration in Isooctane is composed of 14 analytes

15 through 25 gauge are thin wall construction while 27 through 30 gauge are regular wall

1 mg/mL in Water is composed of a single analyte

This Certified Reference Material at a concentration of 300 µg/mL in Methanol is composed of a single analyte

It is supplied as a set of 8 x 100 mL and should be stored at an ambient temperature of greater than 5 °C

*EPA Method 521 Internal Standard Stock Solution, 1000 µg/mL in Methylene chloride, CAS # 93951-96-3, 5 x 1 mL TPH This Certified Reference Material ofThis Certified Reference Material at a concentration of 1000 g mL in Methylene chloride is composed of a single analyte. It is supplied in a unit of 5 x 1 mL and should be stored in the freezer at less than 10 C.