*TPH In Soil (Method 418.1), Whole Volume Pre-Spiked Sample, Formal Pt Study, April 15 - May 30 7029-ICP This Certified Reference Material of

This Certified Reference Material of varied concentration by weight is composed of 14 analytes

0 mg/mL in Methanol is composed of a single analyte

It is supplied in a unit of 25 mg and should be stored in the freezer at less than -10 °C

This Certified Reference Material at a concentration of 100 µg/mL in Methanol is composed of a single analyte

*TPH In Soil (Method 418.1), Whole Volume Pre-Spiked Sample, Formal Pt Study, April 15 - May 30 7029-ICP This Certified Reference Material ofAbsolute Standards is ISO 17043, ISO 17025, ISO Guide 34 Certified for PT Standard production Listed as a CALA Approved PT Supplier Double Blind PT Studies: Contact tech@chromspec. com for beginning and end dates for each year.