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Environmental Risk Assessment and Communication

  
CPT is highly concerned about the impacts of plant operation on the environment. Not only are comprehensive environmental management systems in place, environmental evaluation and risk assessment management procedures are also established. As well Taiwanese plants use online management systems to perform comprehensive risk assessments and appropriate designations for risk level classifications.

  • Response to the Discharge Standards regulations

      The EPA amended and published the "Discharge Standards" on December 15, 2010 to strengthen the control of the waste water from the high-tech industry. They set the limits for gallium, indium, molybdenum, total toxic organics and bio-acute toxicity for the photonic materials and component manufacturers as well as the technological industrial park. The limits went into effect in January, 2012.

      As to the bio-acute toxicity (TUa), EPA published to remove it from the current discharge standards on October 12, 2012 and these items are managed under the "Water Pollution Control Measures and Test Reporting Management Regulations". Due to the special nature of the manufacturing process in the photonics industry, the discharge has a higher ammonia and nitrogen content which have an effect on the receiving water body. Thus, it is necessary to control the content of ammonia and nitrogen in effluents. Ammonia and nitrogen are controlled items and there are a 2-phase standard for their control. The control standards of 75mg/L went into effect on July 1, 2013 while the control standards of 30mg/L will go into effect on January 1, 2017. The self-inspection conducted by the Yangmei plant, shows that the ammonia and nitrogen contents in the discharge meet the 2-phased control value decided by EPA.

      Lungtan plant authorizes the inspection company approved by the EPA to conduct inspection. The results show total compliance with the current and future legal requirements.


  • Protective Action for the Xiaoli River
The Longtan plant met the criteria of the environmental impact assessment and review in 2001 and it was granted an effluent discharge license in 2003. The plant discharges its wastewater into the Xiaoli River in Taoyuan County as required by the law. However, due to the unique environmental conditions of Xiaoli River and the volatility of government policies, CPT was unable to implement plan to redirect discharges to Laojie River. CPT actively develops process waste water recycling and zero emission technologies to defuse emission controversies. The company pledges to accept monitoring by relevant authorities with regard to the goal of process waste water recycling to speed up plan implementation. The full waste water recycling system was completed at the end of 2015. First successful example of full recycling and zero discharge of process wastewater and domestic water in Taiwan. 100% recycling of process wastewater and domestic water in 2016. (2017.08.11 updated)

Monitoring the environment of the water areaSampling bed mud
Sampling the irrigation waterMonitoring the environment of the water area
 




Environmental Protection Administration, Mr. Wei, on a survey tour to Xiaoli Creek and zero-effluent projects of AUO and CPT. Minister Wei was concerned of the effluent issues of AUO and CPT, which have manufacture plants upstream of Xiaoli Creek. On June 4th, Legislator Hsu Hsin-Ying, accompanied by the Taoyuan and Hsinchu County Directors of Environmental Protection, surveyed the zero effluent project of AUO and CPT. Representatives from the two companies briefed Legislator Hsu on the technology and project progress of the full-recycle zero-effluent system and the status of Xiaoli Creek. Minister Wei commented Taoyuan and Hsinchu County for the open and transparent supervision platform and expressed his affirmation on the progress of the full-recycle zero-effluent project.
 
Longtan Plants river adoption activities, Jun. 10th 2014:
As part of our corporate social responsibility program, CPT is committed to maintaining the health of our environment and homes. The Longtan Plant adopted the "Care for Xiaoli Creek" program and invited the community to participate in the actions to safeguard our rivers.
 
Taoyuan County River Cleaning Carnival, participants from the local communities and schools participated in the kick-off party, Jun. 21st 204:
CPT led its employees and participants from the Sanhe and Sanshui Communities and Sanhe Elementary Schools in the one-month-long Taoyuan County River Cleaning Carnival series activities. The event was successfully closed at the grand participant assembly ceremony held at riverside of Taoyuan Citys Chingkuo District on June 21st. CPTs employees demonstrated their vitality and commitment to corporate social responsibility in this event.