EPA Method 1618 Organochlorine Mix C Back Catalog number: 20138 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4569-8K-ET EN 15721 Internal Standard Stock Solution, procedure B 1382.2 Ethanol 16mL 8919.5 4-Methyl-2-pentanol 160µL Gives a concentration of approx. 8mg/mL Price on request 10938.20-K-ME EDDP-d3 perchlorate,1000 µg/mL (as pyrrolinium) ,MeOH,1mL, Price on request 21011 CLP Volatile BTEX Standard Price on request