ISTD/Surrogate Standard Back Catalog number: 92572 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9127.12-K-IO Tri-n-butyltin-d27 chloride, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1257647-76-9 Price on request 0325.14-10UG 9-Hydroxyphenanthrene,neat,neat,10ug, Price on request 30001R EPA Method 502.2/524.2 - Liquids Price on request