EPA Method 524.2 - Revision 4.0 Back Catalog number: 33001 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended S-4508-100MG Imbentin-N/050 (n= ca 2-8) Price on request 59343 Perchlorate Level 5 Price on request S-4041-015-10CY Resolution Test Mixture for ASTM D 5739 150 µg/mL of each in pesticide grade cyclohexane, 10mL Pristane 99 % Phytane 99 % n-Heptadecane 99 % n-Octane 99 % Price on request