Chem Service, Inc. produces high purity chemicals for use as reference materials and for other laboratory purposes. More than 95% of their Standards Grade materials have a certified purity of  98.0% or greater and do not require purity corrections when preparing solutions for use with EPA, ASTM, UST and numerous other International Methods. Standards grade chemicals are clearly labeled with an expiration date that is based upon years of experience in handling and testing. Products are packaged in small quantities to minimize storage, waste and disposal requirements. Organic and inorganic chemicals, solutions and mixtures are available, as well as more than 70 chemical kits that are designed to meet a wide range of specialized laboratory needs. They have thousands of worldwide customers in a wide range of sectors, including government and regulatory agencies; food quality control; agricultural testing and research; life science endeavors; environmental control and remediation; college and university work; and the manufacture of chemicals, pulp and paper, and alcoholic beverages. A wide range of products is available including: Pesticides and Metabolites Explosive Residues Petroleum Hydrocarbons Vitamins Anti-Oxidants Plasticizers Phthalates High Purity Inorganics High Purity Organics EPA 535 ESA/OA Metabolites PCB Congeners Fatty Acid Methyl Esters Surfactants Ultraviolet Inhibitors Biological Stains Kits Polynuclear Aromatics Kits Functional Group Kits Carbohydrates Kits The company carries more than 1200 pesticide and metabolite reference standards, including many banned and discontinued substances. These standards assure accurate analysis of residues in food, agricultural products, soil, ground water, wastewater discharge and potable water. Custom solutions and mixtures are readily available to meet your specific laboratory needs. With more than 13,000 organic and inorganic standards available, they quickly provide the individualized support customers often need. Rapid personalized service is a way of life at Chem Service. They will promptly answer your phone call and assure you get the help and products you need. Same-day shipment is available for in stock reference standards. Custom solutions, mixtures and many chemical kits typically ship within 3-10 business days. Established in 1962, ChemService is registered and certified to the ISO 9001:2000 Quality Management System for the design, development, production, distribution and servicing of organic neat and synthetic reference materials.