*Organochlorine Pesticides In Soil, 20 Components, Whole Volume Pre-Spiked Sample, Formal PT Study, April 15 - May 30, 10gm 8077-Other Petroleum This Certified Reference Material at

This Certified Reference Material at a concentration of 10 mg/mL in Methanol is composed of a single analyte

Absolute Standards is ISO 17043

This Chemical Reference Standard at a concentration of 100 µg/g in 10 µg/g in 75 cst Mineral oil is composed of a single analyte

This Certified Reference Material at a concentration of 2 µg/mL Water:Methanol (98:2) is composed of 2 analytes

*Organochlorine Pesticides In Soil, 20 Components, Whole Volume Pre-Spiked Sample, Formal PT Study, April 15 - May 30, 10gm 8077-Other Petroleum This Certified Reference Material atAbsolute 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.