2,4,4'-Trichlorodiphenyl ether, 1.2ml x 50ug/ml, nonane Back Catalog number: DPE-28 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 51122 Quantitative Crude Oil Standard ASTM D-5307 Price on request 11921.9-100-ME (-)-Captopril,100 µg/mL,MeOH,1mL, Price on request 44002 EPA Method 601Mix #2 Price on request