EPA Method 8260 Internal Standard - Revised Back Catalog number: 21013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 98913 1-Chlorooctadecane Price on request XA20950902CY PAH-Mix 9 deuterated, 100µg/mL in Cyclohexane, 1ml Price on request 59429 Sulfate (SO42-) Price on request