Calibration Verification Solution , 1ml, nonane Back Catalog number: EPA-1613CS3 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 31056 EPA Method 552.1 - Surrogate Standard Price on request 98524 Triethylamine,400µg/ml inN,N-dimethylformamide,1ml Price on request 673781 DEET, 100 µg/ml, Ethyl acetate, 5ml Price on request