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  2. RoHS - Wikipedia

    en.wikipedia.org/wiki/RoHS

    Specifically, the total lead used in electronics makes up only 2% of world lead consumption, while 90% of lead is used for batteries (covered by the battery directive, as mentioned above, which requires recycling and limits the use of mercury and cadmium, but does not restrict lead).

  3. Hardnesses of the elements (data page) - Wikipedia

    en.wikipedia.org/wiki/Hardnesses_of_the_elements...

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Pages for logged out editors learn more

  4. Red List building materials - Wikipedia

    en.wikipedia.org/wiki/Red_List_building_materials

    The Cradle to Cradle Products Innovation Institute (C2CPII) is a non-profit group that develops and administers the Cradle-to-Cradle Certified Product Standard. This multi-attribute standard evaluates a product's performance in five impact categories: material health, material reutilization, renewable energy and carbon management, water stewardship, and social fairness.

  5. Specifically, the total lead used in electronics makes up only 2% of world lead consumption, while 90% of lead is used for batteries (covered by the battery directive, as mentioned above, which requires recycling and limits the use of mercury and cadmium, but does not restrict lead).

  6. Sulfate attack in concrete and mortar - Wikipedia

    en.wikipedia.org/wiki/Sulfate_attack_in_concrete...

    A fairly well-defined reaction front can often be observed in thin sections; ahead of the front the concrete is normal, or near normal. Behind the reaction front, the composition and the microstructure of concrete are modified. These changes may vary in type or severity but commonly include: Extensive cracking; Expansion

  7. Control chart - Wikipedia

    en.wikipedia.org/wiki/Control_chart

    Control charts are graphical plots used in production control to determine whether quality and manufacturing processes are being controlled under stable conditions. (ISO 7870-1) [1] The hourly status is arranged on the graph, and the occurrence of abnormalities is judged based on the presence of data that differs from the conventional trend or deviates from the control limit line.

  8. China RoHS - Wikipedia

    en.wikipedia.org/wiki/China_RoHS

    China RoHS II expanded the product scope of China RoHS I from Electronic Information Products (EIP) to Electrical and Electronic Products (EEP). [2] Products listed in the EEP Catalogue must comply with hazardous substance restriction limits for lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyl (PBB) and polybrominated ...

  9. Lead safe work practices - Wikipedia

    en.wikipedia.org/wiki/Lead_safe_work_practices

    Effective April 22, 2010, under its Renovation, Repair, and Painting (RRP) Rule, the EPA mandates that firms performing renovation, repair, and painting projects that disturb lead-based paint in pre-1978 homes, child care facilities, and schools be certified by the EPA and that they use certified renovators who are trained by EPA-approved ...