产品描述
"Two standard set. Each standard contains a single Aroclor chosen at random from 1016, 1242, 1221, 1232, 1248, 1254, or 1260.. The analyte is present within the EPA, NELAC and state specific concentration range of 1 – 15 µg/L. Designed for use with EPA Methods 608, 8080 and 8082. "
