Internal Standard Stock Solution, 1.2ml, nonane Back Catalog number: EPA-1668IS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 66014 PCB No. 14, 100µg/ml in Isooctane, 1ml Price on request 91623 Pesticide Mix #2 Price on request X9088 2,4-Dimethylphenol Price on request