EPA Method 525.2 Pesticide Level 1 Back Catalog number: 92846 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended X9056 4,4’-DDT Price on request 95484 PCB Congeners Mix #1 Price on request 11897.26-K-ME Lofepramine,1000 µg/mL,MeOH,1mL, Price on request