The UVB content of 'UVA fluorescent lamps' and its erythemal effectiveness in human skin

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, , Citation B L Diffey and A F McKinlay 1983 Phys. Med. Biol. 28 351 DOI 10.1088/0031-9155/28/4/003

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1 Regional Medical Phys. Dept., Dryburn Hospital, Durham, UK

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0031-9155/28/4/351

Abstract

The UBV emission from ten different types of 'UVA fluorescent lamp' has been measured by spectroradiometry. The mean ratio of UVB emission to UVA emission was found to be 0.94+or-0.35 (1 SD)%. By weighting the spectral irradiance of each lamp by the DIN standard erythemal curve, the mean erythemally effective UVB emission (normalised to 297 nm), expressed as a percentage of the UVA emission, was 0.076+or-0.049 (1 SD)%.

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10.1088/0031-9155/28/4/003