Overview of standards regulating effluent discharges.
|Standard||Discharge type||Nitrogen (mg/l)||Fluoride (mg/l)|
|EU Best Available Techniques for waste treatment||Direct||10 − 60||0.2 − 1|
|German Drinking Water Directive||Direct||11||1.5|
|EHS Guidelines for Semiconductors & Other Electronics Manufacturing||Direct||n/a||5|
|Chinese National Standards||Indirect||45||20|
|Chinese standard for PV
|Jiangsu Prov. Ordinance of Tai Lake Water Pollution Prevention & Treatment||Indirect||<15||<5|
|EPEAT Ecolabel for PV (NSF/ANSI 457)||–Inventory of water use and wastewater effluent*
–Documentation of wastewater quality (min. COD, BOD, TSS, heavy metals, pH)
|Cradle-to-Cradle||–No violation of discharge permits*
–Optimization of process chemicals in effluent
–Drinking water quality standards for all water leaving the facility
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