The I-CHEM Certified™ 400 Series bottles are processed to meet or exceed 'US EPA Specifications and Guidance for Contaminant-Free Sample Containers'. I-CHEM Certified™ 400 series bottles include a Certificate of Analysis with a bar-coded production number in every case

Bottles are gamma irradiated and certified for sterility in addition to metals and water quality parameters. Natural-colored bottles are made from high-density polyethylene and feature a wide-mouth and leakproof closure design. A heatshrink band on the neck and closure ensures sterility and provides added assurance that the closure is secure.

Each bottle in the 400 series has a bar-code label for absolute traceability.