Graph of Threshold Limit Values(8-hour) for Ultraviolet Radiation.
※It is necessary to understand the documentation of ACGHI well before data and the numerical result are used.

Keyword

Threshold Limit Values,Ultraviolet Radiation,UV-C,UV-B,Wavelength,hazardous,Effective Radiant Emittance,Limit Exposure Time.

Reference

[1]:『2007 ACGIH 化学物質と物理因子のTLVS＆化学物質のBEIS』(社団法人日本作業環境測定協会.沼野雄志訳).
[2]:『人間の許容限界事典』(山﨑昌廣・坂本和義・関邦博編集).

Remarks

・ACGIH:American Conference of Governmental Industrial Hygienists.
・S(λ.Relative Spectral Valid Value)=30/TLV.
・Limit Exposure Time(min)=0.003(J/cm^2)/Eeff(μW/m^2)*(10^6)/60.Reference[1].
・Eeff：Effective Radiant Emittance.
・Classification of Ultraviolet.Reference[2].
 ・Vacuum UV:Wavelength 100nm～190nm.
 ・UV-C:Wavelength 190nm～280nm.
 ・UV-B:Wavelength 280nm～320nm(or 315nm).
 ・UV-A:Wavelength 320nm(or 315nm)～400nm.

History

・2014/08/05：layout change.
・2009/11/05：Correction about Remarks.
・2009/11/01：Upload.