RCA Taiwan 工傷
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Transcript of RCA Taiwan 工傷
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Occupational and Environmental Health Studies of RCA
Yi-Ping Lin
National Yang-Ming University
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RCA Case
1994/6/2 Legislator Chao (趙
少康)
Groundwater pollution
EPA investigation
Contamination Clean-up
Geomatrix (USA) by GE/Thomson
Declared a failure in 1998
1998/6/1 Environmental
Quality Protection Foundation, CEO Chao (趙少康)
Former RCA workers organized
Government-Sponsored public health research projects
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1994-06-03
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產業與科學
Otto Wong
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Otto Wong’s Risk Assessment
1995
“此地下水所含化學物質危害附近居民及員工健康的可能性微乎其微。”
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1998-02-24
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RCA Tao-Yuan Site in 1998
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RCA Workers’ Organization
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Polluted Groundwater at RCA
Lee LJ, Chan CC, Chung CW, et al. Health risk assessment on residents exposed to chlorinated hydrocarbons
contaminated in groundwater of a hazardous waste site. J Toxicol Environ Health A 2002;65:219-35.
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RCA Health Impact Studies
Residents (EPA)
Animal Study
Male: Liver
Female: Breast
Health Risk Assessment
Increased Hazard Index
Mortality Odds Ratio
Male Liver Cancer
Workers (Council of Labor Affair)
Proportionate Cancer Morbidity Ratio
Female breast cancer
Standardized Mortality Ratio
None significant
Standardized Incidence Ratio
None significant
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RCA Environmental Health Studies
Wang FI, Kuo ML, Shun CT, et al. Chronic toxicity of a mixture of chlorinated alkanes and alkenes in ICR mice. J Toxicol Environ Health A 2002;65:279-91.
Lee LJ, Chan CC, Chung CW, et al. Health risk assessment on residents exposed to chlorinated hydrocarbons contaminated in groundwater of a hazardous waste site. J Toxicol Environ Health A 2002;65:219-35.
Lee LJ, Chung CW, Ma YC, et al. Increased mortality odds ratio of male liver cancer in a community contaminated by chlorinated hydrocarbons in groundwater. Occup Environ Med 2003;60:364-9.
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Evidence from Animal Study
Chemical Mixtures
Increased liver, kidney, and uterus and ovary total weights
Hepatocelluar neoplasms in male mice
Mammary adenocarcinoma in female mice
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Environmental Health Risk Assessment
Lee LJ, Chan CC, Chung CW, et al. Health risk assessment on residents exposed to chlorinated hydrocarbons
contaminated in groundwater of a hazardous waste site. J Toxicol Environ Health A 2002;65:219-35.
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Male Residents’ Liver Cancer
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RCA Occupational Health Studies (I)
Chang YM, Tai CF, Lin RS, et al. A proportionate cancer morbidity ratio study of workers exposed to chlorinated organic solvents in Taiwan. Ind Health 2003;41:77-87.
Chang YM, Tai CF, Yang SC, et al. A cohort mortality study of workers exposed to chlorinated organic solvents in Taiwan. Ann Epidemiol 2003;13:652-60.
Chang YM, Tai CF, Yang SC, et al. Cancer incidence among workers potentially exposed to chlorinated solvents in an electronics factory. J Occup Health. 2005;47:171-80.
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Crippled Database
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RCA Workers?
1973-1992
員工總數:80,021
男性:14,885
女性:65,136 1979-2000
罹癌:1,710
慰助金:388
傷病訪視:100
1998成立
員工自救會
會員約1,000-2,000人
訴訟:226
2001
司改會
81名義務律師
2002
勞委會福利處
家庭訪視名單:約1,400
每人36,000
2002
工傷受害者協會
協助赴美求償等
美國律師
越洋官司?
2002
自救會要求補助醫療費用:
11人
1980-2000
死亡:1,951
1980-2000
癌症死亡:
438人
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Young, Short-termed RCA Female Workers
Chang YM, Tai CF, Yang SC, et al. A cohort mortality study of workers exposed to chlorinated
organic solvents in Taiwan. Ann Epidemiol 2003;13:652-60.
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Cancer morbidity of female RCA workers
Chang YM, Tai CF, Lin RS, et al. A proportionate cancer morbidity ratio study of workers
exposed to chlorinated organic solvents in Taiwan. Ind Health 2003;41:77-87.
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Exclusion of durations of employment under 3 mos.
About 40% of employees
38% of cancer morbidity
39% of total death
41% of female total death
36% of cancer death
38% of female cancer death
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Who were these young, short-termed female RCA workers?
Middle school graduates from rural Taiwan
來自全台各地的國中畢業生
Local high school collaboration projects
桃園地區的高中高職建教合作
14 to 17-year olds
Working, living, and eating in the factory
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Sudden Deaths of Young Female Electronic Workers
Philco
8 deaths in 1970-72
Aged 15-21, working 23-59 days
Mitsusmi
7 deaths in 1969-72
Aged 17-19, working 17-40 days
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Critical Period: From Puberty to First Pregnancy
Exposure to trichloroethane (TCE), perchloroethylene (PCE), and other industrial solvents
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RCA Occupational Health Studies (II)
Sung TI, Chen PC, Lee LJH, Lin YP, Hsieh GY, Wang JD. Increased standardized incidence ratio of breast cancer in female electronics workers. BMC Public Health 2007;7:102.
Sung TI, Wang JD, Chen PC. Increased risk of cancer in the offspring of female electronics workers. Reprod Toxicol 2008;25(1):115-9.
Sung TI, Wang JD, Chen PC. Increased risks of infant mortality and of deaths due to congenital malformation in the offspring of male electronics workers. Birth Defects Res A Clin Mol Teratol 2008.
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Increased Breast Cancer
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Differences Before and After 1974
Sung TI, Chen PC, Lee LJH, Lin YP, Hsieh GY, Wang JD*. Increased standardized incidence ratio of breast cancer in female electronics workers. BMC Public Health 2007;7:102.
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有機溶劑中毒預防規則(1974/6-)
常用之有機溶劑約有二百多種。
有機溶劑中毒預防規則僅將毒性比較大,在作業場所較常使用者與以納入,計五十五種。
第一種有機溶劑:氯化烴 + CS2,共 7 種。
第二種有機溶劑:四氯乙烯、醇、醚、酯、酮、芳香烴 (甲苯)、正己烷等,共 41 種。
第三種有機溶劑:高分子量溶劑 (如柴油),共 7 種。
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有機溶劑之標示
三氯乙烯:第一種有機溶劑
三氯乙烯
第一種有機溶劑
(紅底白字)
甲
苯
第二種有機溶劑
(黃底黑字)
黏劑 (
含甲苯、丁酮)
第二種有機溶劑
(黃底黑字)
松節油
第三種有機溶劑
(藍底白字)
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Reconstructing RCA’s Working Environment
Burnt company files
Insurance data?
Monthly reports
Labor examinations
8 violations (1975-91)
Master’s thesis (1988)
“Re-circulation”
Violated the law in 1988
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Testing RCA Working Environment in 1988
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排氣再循環?
該作業場所不論是否實施排氣再循環,其混存有機溶劑蒸汽濃度視為相加效應計算後,皆已超出容許濃度,個別化合物中又以丁酮、甲苯的暴露濃度較高。
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Solvents Used at RCA
“Cleaners”
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RCA Survey Interviews (2011)
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