ISTD/Surrogate Standard Back Catalog number: 92572 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended ACQ-AQ50-015 Ethanol standard in water,5.0g/L,water, 1.5mL Price on request 9427.5-100-IO Hexachlorocyclopentadiene, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 77-47-4 Price on request 19117 EPA Method 625 Base/Neutrals Mix #4 Price on request