WS Trihalomethanes Back Catalog number: 38025 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 95053 EPA Method 527 Surrogate Standard Price on request 687726 Lamotrigine, 100mg Price on request 9179.12-K-ME (±)-Norketamine hydrochloride,1000 µg base/mL,MeOH,1mL Price on request