EPA Method 525 - Phthalate Standard Back Catalog number: 31028 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-234-S 2,3,4-Trichlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request 11156.7-50-ME Perfluoroheptane sulfonic acid, potassium salt,50 µg/mL,MeOH,1mL, Price on request 3439.14-100-CY Metazachlor Price on request