EPA Method 505/507 - Pesticide Standard Back Catalog number: 91936 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 41003 EPA Method 608Mix #3 Price on request 11897.26-K-ME Lofepramine,1000 µg/mL,MeOH,1mL, Price on request 11782.10 1,2,4,6,7-Pentachloronaphthalene,,,, Price on request