EPA Method 630/630.1 Stock Solution #2 Back Catalog number: 40025 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 672942 Pendimethalin, 100mg Price on request 3489.11-100-CY Profenofos Price on request 10378.20-100-ME EDDP perchlorate,100 µg/mL (as pyrrolinium) ,MeOH,1mL, Price on request