EPA Method 8260B Purgeable Internal Standard Back Catalog number: 28013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79419 1-Methylaphthalene Price on request 675664 Sulfentrazone, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 680620 Diisodecyl adipate (mixture of branched isomers), Price on request