Items 882 (PT), 070 (CRM) and 070QR (QR) have been DISCONTINUED and replaced with 882C (PT), 1070C (CRM) and 1070QR (QR). Items 070 and 070QR are available while supplies last and will ship as Dangerous Goods (DG). One 125 mL whole-volume bottle is ready to analyze. Use with EPA Methods 110.1, 110.2, and 110.3, Standard Methods 2120B, 2120C, 2120E, or other applicable method.