EPA Method 515.1 Internal Standard Back Catalog number: 30023 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 96694 Freon Standard Price on request 79321 Bromacil Price on request 8801.21-100-IO Methyl 9-cis-eicosenoate, 100µg/ml in Isooctane, 1ml Price on request