AIHA ????????
(American Industrial Hygiene Association)
ACGIH ???????????*
(American Conference of Industrial Hygienists)
EPA ???????*
(Environmental Protection Agency, USA)
ERPG AIHA?????????????
(Emergency Response Planning Guideline, AIHA)
ERPG-1 ??????????1????????????????? ???????????????????????? ????????????????????????????? ?????????????????????????????(AIHA??)
ERPG-2 ??????????1????????????????? ????????????????? ????????????????????????????????????????? ?????????????????????????????(AIHA??)
ERPG-3 ??????????1????????????????? ????????????????????????????????????? ?????????????????????????????(AIHA??)
MEL ???????
(Maximum exposure limit)
NAAQS ???????????
(National Ambient Air Quality Standards, USA)
NIOSH ???????????????????????*
(National Institute for Occupational Safety and Health at the Centers for Disease Control and Prevention, USA)
OEL ???????*
(Occupational exposure limit)
OSHA ?????????*
(US Department of Labor Occupational Safety and Health Administration)
PM ?????*(Particulate matter) ???????????2.5??????10???????? ?????????2.5????????????? ?????PM2.5)????????? ?????????????
PEL ???????
(Permissible exposure limit)
REL ???????(Recommended exposure limit)
???????????????????????????????? ?????????????????????
STEL ????????*(Short term exposure limit)
TWA ??????*
(Time weighted average)


???? ?????? ????

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Download our pamphlets on preparing for ashfall and on the health hazards of ash. They are designed for mass distribution at the onset of new eruptions. They are now avaiable in English, Japanese, French Spanish, Portuguese, Swahili, Indonesian and Icelandic with Italian versions being available shortly. Please see our Pamphlets page for further infomation.





IVHHN has an article under the Guidelines tab which used to be called 'Recommended Face Masks'. This has now been updated to 'Information on face masks' and is an interim page whilst the Health Interventions in Volcanic Eruptions project investigates which types of respiratory protection are effective in protecting the general population from volcanic ash inhalation. Please note that the translations in Spanish, Japanese and Portuguese have not yet been updated.



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