Total Organic Halides (TOX) Back Catalog number: 54194 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 93971 EPA Method 525 Surrogate Standard Price on request 676131 Methoxychlor, 100 µg/ml, Acetone, 5ml Price on request 676712 1,5-Diaminopentane, 250mg Price on request