EPA Method 500 Series Internal Std #4 Back Catalog number: 30003 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 31056 EPA Method 552.1 - Surrogate Standard Price on request S-4236-10-IOX10 ISO 10382 Multicomponent Stock Solution of PCBs “Dutch Seven” PCBs in isooctane, 10µg/mL each, 1x1ml, 5x1ml, 10x1ml 100µg/mL each, 1x1ml, 5x1 ml, 10x1 ml 200µg/mL each, 1x1ml, 5x1ml, 10x1ml Price on request 70153 Diethyl ether Price on request