Container Classes

ESS Containers Classes

UC CLASS :

UnCertified Containers with Teflon-lined* closure attached. UC Class includes ESS Sample lable.

PC CLASS :

PRE-CLEANED CERTIFIED Containers with Teflon-lined* enclusure attached. PC Certification is provided with each case. PC Class includes with ESS sample label.

QC CLASS :

QUALITY CERTIFIED precleaned containers with Teflon® -lined closures attached are analyzed by independent, certified laboratories. QC Certification is available online. QC Class includes with ESS Sample label with printed lot number. All glass container include Teflon® -lined closures there is no requirement for Teflon® -lined on plastic containers

ESS’ cleaning procedures are based on the U.S. EPA
”Specifications and Guidance for Contaminated-Free Sample Containers