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[¹Ì±¹] Ä÷³ºñ¾Æ´ë ¿¬±¸ÆÀ, À¯»öÀÎÁ¾ Áö¿ª»çȸ¿¡¼­ ¼öµµ ½Ã½ºÅÛ ±Ý¼Ó ¿À¿°µµ Á¦ÀÏ ³ô¾Æ

Ä÷³ºñ¾Æ ¸ÞÀÏ¸Ç °øÁߺ¸°Ç´ë ¿¬±¸ÆÀÀÌ ÁÖµµ¡¦¡º³×ÀÌó Ä¿¹Â´ÏÄÉÀ̼ǡ»¿¡ °ÔÀç



[»çÁøÁ¦°ø = Columbia University Mailman School of Public Health]

[»çÁøÁ¦°ø = Columbia University Mailman School of Public Health]

 

Ä÷³ºñ¾Æ ¸ÞÀÏ¸Ç °øÁߺ¸°Ç´ëÇб³(Columbia University Mailman School of Public Health)ÀÇ »õ·Î¿î ¿¬±¸¿¡ µû¸£¸é È÷½ºÆдС¤¶óƾ°è, ¾Æ¸Þ¸®Ä­ Àεð¾ð¡¤¾Ë·¡½ºÄ« ¿øÁֹΠ¹× ºñÈ÷½ºÆдаè ÈæÀÎ °ÅÁÖÀÚÀÇ ºñÀ²ÀÌ ³ôÀº Áö¿ª»çȸÀϼö·Ï °ø°ø ½Ä¼ö ³» ºñ¼Ò ¹× ¿ì¶ó´½ÀÇ ³óµµ°¡ ³ôÀº °ÍÀ¸·Î ¹àÇôÁ³´Ù. ¹Ì Àü¿ªÀÇ È÷½ºÆдС¤¶óƾ°è ¹× ¾Æ¸Þ¸®Ä­ Àεð¾ð Áö¿ª»çȸ¿¡¼­ ºñ¼Ò¿Í ¿ì¶ó´½ÀÌ ³ô¾ÒÀ¸¸ç, ºñÈ÷½ºÆдаè ÈæÀÎ °ÅÁÖÀÚÀÇ ºñÀ²ÀÌ ³ôÀº Áö¿ª»çȸÀÇ °æ¿ì ºñ¼Ò¿Í ¿ì¶ó´½ÀÌ °¡Àå ³ôÀº ¼­ºÎ ¹× Áß¼­ºÎ Áö¿ª¿¡¼­¸¸ ºñ¼Ò ¹× ¿ì¶ó´½ÀÌ ³ôÀº °ÍÀ¸·Î ³ªÅ¸³µ´Ù.


Áö±Ý±îÁö ÀÌ·¯ÇÑ ¿¬°ü¼ºÀ» Æò°¡ÇÑ ¿¬±¸´Â ´ëºÎºÐÀÇ °ø°ø ¼öµµ ½Ã½ºÅÛÀÇ Àü±¹ÀûÀÎ ¿À¿°¹°Áú ³óµµ ÃßÁ¤Ä¡¸¦ °ø°³ÀûÀ¸·Î ÀÌ¿ëÇÒ ¼ö ¾ø¾ú±â ¶§¹®¿¡ ºÒ°¡´ÉÇß´Ù. ÀÌ ¿¬±¸ °á°ú´Â ¡º³×ÀÌó Ä¿¹Â´ÏÄÉÀ̼Ç(Nature Communications)¡» Àú³Î¿¡ ¿Â¶óÀÎÀ¸·Î °ÔÀçµÆ´Ù.


¸¹Àº ¹Ì±¹ Áö¿ª»çȸ¿¡¼­ ½Ä¼ö´Â ºñ¼Ò ¹× ¿ì¶ó´½¿¡ ´ëÇÑ ÁÖ¿ä ³ëÃâ¿øÀ¸·Î, ºñ¼Ò ¹× ¿ì¶ó´½Àº ¾Ï, ½ÉÇ÷°ü Áúȯ ¹× ±âŸ °Ç°­»ó ÁÁÁö ¾ÊÀº °á°ú¿Í °ü·ÃµÈ ÁÖ¿ä ȯ°æ ³ëÃâ·Î ¾Ë·ÁÁ³´Ù. ¹Ì ȯ°æº¸È£Ã»(EPA)´Â ¿ì¶ó´½ÀÇ °æ¿ì ÃÖ´ë ¿À¿° ¼öÁØ(MCL)À» 30µg/L, ºñ¼ÒÀÇ °æ¿ì 10µg/L·Î ¼³Á¤ÇÑ´Ù. ±×·¯³ª ºñ¼Ò ¹× ¿ì¶ó´½¿¡ ´ëÇÑ EPAÀÇ ¹ýÀûÀ¸·Î ±ÔÁ¦ÇÒ ¼ö ¾ø´Â(non-enforceable) ÃÖ´ë ¿À¿° ¹°Áú ¼öÁØ ¸ñÇ¥´Â 0 µg/LÀÌ´Ù. ÀÌ´Â ºñ¼Ò ¹× ¿ì¶ó´½ ´ëÇÑ ¾ÈÀüÇÑ ³ëÃâ ¼öÁØÀÌ ¾Ë·ÁÁ® ÀÖÁö ¾Ê´Ù´Â °ÍÀ» ¶æÇÑ´Ù.


¾ÆÀ̸° ¸¶¸£Æ¼³×Áî-¸ð¶óŸ(Irene Martinez-Morata) ÄÝ·Òºñ¾Æ ¸ÞÀÏ¸Ç °øÁߺ¸°Ç´ëÇб³ÀÇ È¯°æº¸°Ç°úÇаú ¹Ú»ç È帻ýÀÌÀÚ ÀÌ ¿¬±¸ÀÇ Á¦ 1ÀúÀÚ´Â "¹«±â ºñ¼Ò¿Í ¿ì¶ó´½¿¡ ´ëÇÑ ¾ÈÀüÇÑ ³ëÃâ ¼öÁØÀÌ ¾ø±â ¶§¹®¿¡ ¿ì¸®ÀÇ ¹ß°ßÀº ƯÈ÷ °øÁß º¸°Ç°ú °ü·ÃÀÌ ÀÖÀ¸¸ç, ÀÌ·¯ÇÑ °á°ú´Â °ø°ø ½Ä¼ö¿¡ ÀÇÁ¸ÇÏ´Â À¯»öÀÎÁ¾ÀÌ ´õ ¸¹ÀÌ °ÅÁÖÇÏ´Â Áö¿ª¿¡¼­ °ø°ø ¼öÁú ¿À¿°¹°Áú ³ëÃâÀÇ ºÒÆòµîÀÌ ´õ ½ÉÇÏ°í ¼ö¿øÁöÀÇ Æ¯Á¤ ¿À¿°¹°Áú ³óµµ°¡ ´õ ½É°¢ÇÏ´Ù´Â °ÍÀ» µÞ¹ÞħÇÑ´Ù"¶ó°í ¼³¸íÇß´Ù.


¾Ø ´Ï±×¶ó(Anne Nigra) ÄÝ·³ºñ¾Æ ¸ÞÀÏ¸Ç ´ëÇб³ÀÇ È¯°æ°Ç°­°úÇÐ Á¶±³¼ö´Â ¡°ÀÎÁ¾¡¤¹ÎÁ· ±¸¼º¿¡ °ü°è¾øÀÌ ¸ðµç Áö¿ª»çȸ´Â ±ú²ýÇÏ°í °íÇ°ÁúÀÇ ½Ä¼ö¸¦ ÀÌ¿ëÇÒ ÀÚ°ÝÀÌ ÀÖ´Ù"¶ó¸ç, ¡°¿ì¸®ÀÇ ºÐ¼®¿¡ µû¸£¸é ÇöÀç ¹Ì±¹¿¡¼­´Â ±×·¸Áö ¾ÊÀº °ÍÀ¸·Î ³ªÅ¸³µ°í, »çȸ°æÁ¦Àû ÁöÀ§¸¦ °í·ÁÇÑ ÈÄ¿¡µµ À¯»öÀÎÁ¾ Áö¿ª»çȸÀÇ ±ÔÁ¦µÈ °ø°ø ½Ä¼ö¿¡´Â ºñ¼Ò¿Í ¿ì¶ó´½ÀÌ ´õ ¸¹ÀÌ °ËÃâµÇ°í ÀÖ´Ù¡±¶ó°í °­Á¶Çß´Ù.


¿¬±¸¿øµéÀº ¹Ì±¹ Àü¿ªÀÇ °ø°ø ¼öµµ ½Ã½ºÅÛ¿¡¼­ ºñ¼Ò ¹× ¿ì¶ó´½ ³óµµ¿¡ ´ëÇÑ Ä«¿îƼ ¼öÁØÀÇ Àα¸ °¡Áß ³óµµ ÃßÁ¤Ä¡¸¦ »ç¿ëÇß´Ù. ÀÌ ÃßÁ¤Ä¡´Â EPA°¡ ¼öÁýÇÑ °¡Àå ÃÖ½ÅÀÇ Àü±¹ÀûÀÎ ¸ð´ÏÅ͸µ µ¥ÀÌÅÍ¿¡ ±â¹ÝÇÑ °ø°³ °¡´ÉÇÑ ÀÚ·áÀÌ´Ù. ½Ä¼ö ³» ±Ý¼Ó ³óµµ´Â ºñ¼ÒÀÇ °æ¿ì ÃÑ 2õ585°³ Ä«¿îƼ, ¿ì¶ó´½ÀÇ °æ¿ì 1õ174°³ Ä«¿îƼ¿¡¼­ »ç¿ëÇÒ ¼ö ÀÖ¾ú´Ù. ºñÈ÷½ºÆдРÈæÀÎ, ¾Æ¸Þ¸®Ä­ Àεð¾ð¡¤¾Ë·¡½ºÄ« ¿øÁÖ¹Î, È÷½ºÆдС¤¶óƾ°è ¹× ºñÈ÷½ºÆдР¹éÀÎ µî °¢ ÀÎÁ¾ ¹× ¹ÎÁ·¿¡ ´ëÇØ º´·Ä ºÐ¼®À» ¼öÇàÇß´Ù.


¸¶¸£Æ¼³×Áî-¸ð¶óŸ´Â "½Ä¼öÀÇ Ç°ÁúÀÌ Áö¿ª»çȸÀÇ ÀÎÁ¾¡¤¹ÎÁ· ±¸¼º°ú °ü·ÃµÇ¾î¼­´Â ¾È µÈ´Ù"¸ç, "¿ì¸®ÀÇ ¿¬±¸ °á°ú´Â À¯»öÀÎÁ¾ Áö¿ª»çȸ¸¦ º¸È£Çϱâ À§ÇÑ ¿¬¹æ ±ÔÁ¦ Á¶Ä¡¿Í ÀçÁ¤ ¹× ±â¼ú Áö¿øÀ» ¾Ë·Á ȯ°æ Á¤ÀÇ À̴ϼÅƼºê¸¦ ÁøÀü½Ãų ¼ö ÀÖ´Ù"°í °­Á¶Çß´Ù.


Ä«¿îƼ ¼öÁØÀÇ CWS ±Ý¼Ó ³óµµÀÇ ´ëÈ­Çü Áöµµ´Â ÄÝ·Òºñ¾Æ ½Ä¼ö ´ë½Ãº¸µå(Columbia Drinking Water Dashboard)¿¡¼­ È®ÀÎÇÒ ¼ö ÀÖ´Ù.


ÀÌ ¿¬±¸ÀÇ °øµ¿ ÀúÀÚ´Â ÄÝ·Òºñ¾Æ ¸ÞÀÏ¸Ç ´ëÇб³ÀÇ ´õ½ºÆ¾ ´øÄÁ(Dustin Duncan), ¸¶¾ß ½ºÆÄ¿ì¾î(Maya Spaur), Äɺó ÆÐÅͽ¼(Kevin Patterson), ¼¼½º ÇÁ¸°½º(Seth Prins) ¹× ¾Æ³ª ³ª¹Ù½º-¿¡À̽ÿ£(Ana Navas-Acien)À̸ç, ÄÝ·Òºñ¾Æ ±âÈÄ Çб³ÀÇ  º¥ÀڹΠº¸½ºÆ½(Benjamin C. Bostick), ¾Ö¸®Á¶³ª ÁÖ¸³ ´ëÇб³ÀÇ ¿ÀŸÄí¿¹ ÄÜ·ÎÀÌ-º¥(Otakuye Conroy-Ben), Á¸½º ȩŲ½º ´ëÇб³ÀÇ ¹Ì¶õ´Ù Á¸½º(Miranda Jones)ÀÌ´Ù.


ÀÌ ¿¬±¸´Â ±¹¸³Ä¡°úµÎ°³¾È°ú¿¬±¸¼Ò(National Institute of Dental & Craniofacial Research)(DP5OD031849), ¹Ì ±¹¸³È¯°æº¸°Ç°úÇпø(National Institute of Environmental Health Sciences)(2T32ES007322, P300ES009089, P42 ES033719), Ä«»çÀÌ Àç´Ü(La Caixa Foundation)(ID100010434)ÀÇ Çù·ÂÀ» ÅëÇØ Áö¿ø¹Þ¾Ò´Ù.


[¿ø¹®º¸±â]


Highest Metal Concentrations in U.S. Public Water Systems in Hispanic/Latino and American Indian Communities

U.S. MIDWEST AND SOUTHWEST REGIONS HAVE HIGHEST CONTAMINATION LEVELS


 

Significantly higher arsenic and uranium concentrations in public drinking water have been linked to communities with higher proportions of Hispanic/Latino, American Indian/Alaskan Native, and non-Hispanic Black residents, according to a new study at Columbia University Mailman School of Public Health. Arsenic and uranium were higher for Hispanic/Latino and American Indian communities nationwide, while higher proportions of non-Hispanic Black residents were associated with higher arsenic and uranium only in the West and Midwest regions where water arsenic and uranium are the highest. 


Until now studies evaluating these associations were not possible because estimates of nationwide contaminant concentrations were not publicly available for the majority of public water systems. The findings are published online in the journal Nature Communications.


In many U.S. communities, drinking water is a significant source of exposure to arsenic and uranium, which are major environmental exposures associated with cancer, cardiovascular disease and other adverse health outcomes. The EPA sets a maximum contaminant level (MCL) of 30 µg/L for uranium and 10 µg/L for arsenic. However, EPA¡¯s non-enforceable maximum contaminant level goal for both is 0 µg/L because there is no known safe level of exposure to either. 


¡°Our findings are particularly relevant to public health because there is no safe level of exposure to inorganic arsenic and uranium,¡± noted Irene Martinez-Morata, MD, PhD candidate in environmental health sciences at Columbia Mailman School of Public Health, and first author. ¡°These findings support that inequalities in public water contaminant exposures are more severe in regions with more residents from communities of color relying on public drinking water and higher concentrations of specific contaminants in source water.¡±


¡°All communities, regardless of racial/ethnic makeup, deserve access to clean, high quality drinking water,¡± said Anne Nigra, PhD, assistant professor of environmental health sciences at Columbia Mailman School. ¡°Our analysis indicates that this is not currently the case in the US. Even after accounting for socioeconomic status, communities of color have higher arsenic and uranium in their regulated public drinking water.¡±


The researchers used county-level, population-weighted concentration estimates of arsenic and uranium concentrations in public water systems across the U.S. -- estimates based on the most recent publicly available nationwide monitoring data gathered by the U.S. Environmental Protection Agency. Water metal concentrations were available for a total of 2,585 counties for arsenic and 1,174 counties for uranium. Parallel analyses were conducted for each of these racial and ethnic groups: non-Hispanic Black, American Indian/Alaskan Native, Hispanic/Latino, and non-Hispanic White. 


¡°The quality of your drinking water should not be related to the racial/ethnic makeup of your community,¡± remarks Martinez-Morata. ¡°Our findings can advance environmental justice initiatives by informing federal regulatory action and financial and technical support to protect communities of color.¡± 


An interactive map of county-level CWS metal concentrations is also available at: Columbia Drinking Water Dashboard.


Co-authors are Dustin Duncan, Maya Spaur, Kevin Patterson, Seth Prins, and Ana Navas-Acien, Columbia Mailman School; Benjamin C. Bostick, Columbia Climate School; Otakuye Conroy-Ben, Arizona State University; and Miranda Jones, Johns Hopkins University.


The study was supported by National Institute of Dental & Craniofacial Research (DP5OD031849), National Institute of Environmental Health Sciences (2T32ES007322, P300ES009089, P42 ES033719); and by a fellowship from La Caixa Foundation (ID100010434).


[Ãâó = Columbia University Mailman School of Public Health(https://www.publichealth.columbia.edu/public-health-now/news/highest-metal-concentrations-us-public-water-systems-hispaniclatino-and-american-indian-communities) / 2022³â 12¿ù 7ÀÏ]

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