OHSAS 18001:2007 is the international specification for an Occupational Health & Safety management system (OH&S). It specifies requirements for establishing a health and safety policy, determining risks and hazards of products/activities/services, planning objectives and measurable targets, implementation and operation of programs to meet objectives and targets, with continual improvement through corrective action and management review.

ISO 9001:2015 is the most comprehensive level of the ISO 9000:2000 series, covering everything from design and development through production and distribution of products and services. The overall objective is to establish a system to improve product quality and reliability.

ISO 14001:2015 is the international specification for an environmental management system (EMS). It specifies requirements for establishing an environmental policy, determining environmental aspects and impacts of products/activities/services, planning environmental objectives and measurable targets, implementation and operation of programs to meet objectives and targets, checking and corrective action and management review.

STMC stands for the Standardized Test Methods Committee. The International Imaging Technology Council (Int'l ITC) administers the STMC program, assures its proper usage and polices against misuse of the STMC program and logos. For more than a decade, the STMC symbol has been the remanufacturing industry's indicia of quality. The test methods are used to evaluate toner printer cartridge performance. STMC uses certain ASTM test methods to evaluate a finished cartridge in comparison to another cartridge, typically an OEM cartridge.

R2 Certification, also known as Responsible Recycling Certification, provides verification of Clover Imaging Group’s environmentally responsible, safe, and transparent management of toner cartridges, cell phones, and other consumer electronics. R2 Certification is facility specific and has been awarded to Clover Environmental Solutions (CES) Mexicali, Mexico collections processing operation center.