EPA Method 507 Analyte Mix #1 Back Catalog number: 30182 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2776.10-100-DC Heptachlor, 100µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 76-44-8 Price on request 8877.0-25ML White Oil, neat, Solvent-neat, Unit 25mL, # of units-1, Cas.no. Price on request 3203.15-K-IO 10-trans-Pentadecenoic acid, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 321744-58-5 Price on request