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Official government website of the Government of the Kingdom of Saudi Arabia
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Links to official Saudi websites end withgov.sa

All links to official websites of government agencies in the Kingdom of Saudi Arabia end with .gov.sa

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Government websites use the HTTPS protocol for encryption and security.

Secure websites in the Kingdom of Saudi Arabia use the HTTPS protocol for encryption.

Saudi Standards, Metrology and Quality Organization

 Air quality - Determination of ozone in ambient air - Ultraviolet photometric method AMENDMENT 1: Consensus value for the ozone absorption cross-section at room temperature at the mercury-line wavelength (253,65 nm air)


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