CLP Semi-Volatile Acid Surrogate Standard Back Catalog number: 21015 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50733 Chloride (Cl-) Price on request S-4368-200-5DC EPA 528 rev. 1.0 Internal Standard Solution 2 200µg/mL in dichloromethane; unit: 1x5mL 2081.6 2,3,4,5-Tetrachlorophenol [4901-51-3] Price on request 11713.12-100-IO 2,2',3,4',6-Pentachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request