Resumen
This document specifies the following semi-quantitative methods for the assessment of transparency of waters:
a) measurement of visual range using the transparency testing tube (applicable to transparent and slightly cloudy water), see Clause 4;
b) measurement of visual range in the upper water layers using the transparency testing disc (especially applicable to surface, bathing water, waste water and often used in marine monitoring), see 5.1;
c) measurement of visibility by divers in a destined depth, see 5.2.
NOTE The quantitative methods using optical turbidimeters or nephelometers are described in ISO 7027-1.
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Informaciones generales
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Estado: PublicadoFecha de publicación: 2019-01Etapa: Norma Internacional en proceso de revisión sistemática [90.20]
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Edición: 1Número de páginas: 12
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Comité Técnico :ISO/TC 147/SC 2ICS :13.060.60
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Ciclo de vida
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Anteriormente
RetiradaISO 7027:1999
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Ahora
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