EPA Method 8240A - Purgeable Surrogate Std Back Catalog number: 24002 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 51152 Sulfur in Light Weight Mineral Oil - 0 Wt% Price on request 79628 Theophylline Price on request 72361 2-Butoxyethyl acetate Price on request