EPA Method 552.2 - Surrogate Standard Back Catalog number: 30108 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4401-10K-AN Pesticide Mixture 6 Analytes, each 10000 µg/mL, in acetonitrile; units: 1x1, 1x2mL Prod.no. Compound CAS No. 2768,8 Atrazine [1912-249] 2769,9 Propazine [139-40-2] 2770,7 Simazine [122-34-9] 2771,9 Tertbuthylazine [5915-41-3] 2772,6 Atrazine-deseth Price on request S-4270-MLX5 p-Xylene Impurity Standard with Internal Standards 11 Analytes each Wt.% as listed; Units: 1x1mL, 5x1mL + ISTD, neat Chiron No. Name Wt. % Name Wt. % 1299.5 n-Pentane 0.15 1265.8 p-Xylene 98.65 1242.8 n-Octane 0.15 1266.8m-Xylene 0.15 Price on request 73264 4-Nitropyrene Price on request