Triphenylphosphate-d15 Back Catalog number: 9494.18-K-IO Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 93491 EPA Method 504 - EDB & DBCP Price on request 38087 Total Organic Water Supply (WS) (Kit) Price on request 71858 2,4’-Methoxychlor Price on request