EPA Method 502/524 Surrogate Standard #2 Back Catalog number: 19267 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9533.12-100-NN Dieldrin-13C12,100 µg/mL,n-nonane,1mL Price on request 675463 Nalidixic acid, 100mg Price on request 34201 Allyl chloride Price on request