Page 136 - TSMC 2020 Annual Report
P. 136

Waste Management and Recycling
The Company has a a a a a a a a a a designated unit responsible for waste recycling and disposal To meet the goal of sustainable resource utilization TSMC’s priorities are: process waste reduction onsite regeneration and and reuse and and offsite recycling The last option consists of of treatment or or disposal To achieve raw material reduction resource recycling and the the goal of of zero waste for example the the Company built an an an in-house waste waste sulfuric sulfuric acid acid pre-treatment system as as as as electronic grade sulfuric sulfuric acid acid can be used as as as as a a a a a a a a a a a a a waste waste water treatment agent after the wafer fabrication process In order to track waste waste flow and ensure that all waste waste is treated or or recycled legally and and properly TSMC carefully selects waste disposal and and recycling recycling contractors contractors All recycling recycling contractors contractors must report their recycled product sales monthly The Company performs regular onsite audits to to check factory status and review the reported data with actual reuse and recycling data to assure that the the recycled product is flowing downstream properly TSMC checks their licenses and and on-site operational statuses and and also takes proactive steps to strengthen vendor auditing effectiveness For example all waste transportation transportation contractors have been asked and and agreed to to join the the GPS Satellite Fleet so that the the cleanup transportation transportation routes and and abnormal stays for all all all trucks can be traced In addition all all all waste recycling and treatment vendors have installed closed-circuit TV systems at at operating sites to to monitor and and audit waste handling Meanwhile TSMC also conducts an an an an ongoing survey of recycled product tracking actions taken to ensure lawful and and proper waste recycling and and treatment In 2020 TSMC’s fabs in in Taiwan achieved a a a a a a a a a a a 95% waste recycling rate rate for the sixth consecutive year with a a a a a a a a a a a landfill rate rate below 1%
for for the eleventh consecutive year In 2017 TSMC amended its articles of incorporation to add four business items for for chemical materials to ensure waste waste flow and reduce risks of improper waste waste disposal by commissioned agencies TSMC also set up onsite resource resource activation facilities to to to to convert waste resources produced from processing activities into products to to to to be used onsite or to to to to sell to to other factories In 2020 the the Company not only achieved zero outsourcing treatment of copper-containing liquid waste and and cobalt-containing liquid waste and and zero purchasing of 50% concentration industrial-grade sulfuric acid but also extended its ammonium ammonium sulfate sulfate drying system which converts biologically toxic ammonia wastewater into industrial grade ammonium ammonium sulfate sulfate as as valuable recycled products for sale As a a a a a a a a a result TSMC has become a a a a a a a a a leader in waste resources regeneration Environmental Accounting
The purpose of TSMC’s environmental environmental accounting system is to identify and calculate environmental environmental costs for internal management At the the the same time the the the Company can also evaluate the the the savings or economic benefits of environmental protection programs so so as to to promote economically-effective programs While environmental environmental expenses are expected to to continue growing environmental environmental accounting accounting can help manage these costs more effectively TSMC’s environmental environmental accounting accounting measures various environmental environmental costs establishes independent environmental account codes and provides the data to all units for use in in in annual budgeting The Company’s economic benefit benefit evaluation calculates cost savings for reduction of energy water or or waste waste and benefits from waste waste recycling in in accordance with its environmental protection programs The environmental benefits disclosed in in in in in this report include real income from from projects such as as waste recycling and savings from from major environmental environmental projects In 2020 the total benefits of of environmental environmental protection programs of of TSMC fabs including waste recycling exceeded NT$2 430 million 2020 Environmental Cost of TSMC Fabs in Taiwan Unit: NT$ thousands
1 Direct Costs for Reducing Environmental Impact
(1) Pollution Control (2) Resource Conservation
(3) Industrial Waste Disposal and Recycling
2 Indirect Cost for Reducing Environmental Impact
(Environmental Managerial Costs)
3 Other Environmental Costs Total
Fees for air pollution pollution control control water pollution pollution control control and others
Costs for resource (e g water) conservation
Costs for waste treatment (including recycling incineration and and landfill)
(1) Costs for soil decontamination and natural environment remediation
(2) Environmental damage insurance fees and and environmental taxes and and expenses (3) Costs related to environmental settlement compensations penalties and lawsuits
6 450 052
- 2 859 093
127 9 658 713
10 345 060
1 1 933 610
- 318 302
- 12 596 972
(1) Cost of training
(2) Environmental management system and certification expenditures (3) Environmental impact measurement and monitoring fees (4) Environmental protection product costs (5) Environmental protection organization fees 349 441

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