MA - EPH Matrix Spike Rev 1.0/1.1 Back Catalog number: 51044 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 94200 DOW 624 Volatile Internal/Surrogate Standard Price on request 71420 Atrazine-desisopropyl Price on request ACQ-AQ15-015 Ethanol standard in water,1.5g/L,water, 1.5mL Price on request