CLP Program - Acid Matrix Spike Solution Back Catalog number: 19173 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11164.17-K-ME Promazine hydrochloride,1000 µg base/mL,MeOH,1mL, Price on request 24023 EPA Method 8260 Internal & Surrogate Standard Price on request 674587 4-(Methylsulfonyl)-2-nitrobenzoic acid, 100mg Price on request