legislation-obligation

Substance Regulatory Obligations

OBL

Nitrous acid, salts

EC number: -

CAS number: -

Last updated: 10/10/2020
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ECHA Legislation Regulatory Obligations

Regulatory obligations may exist for this substance under the legislations under ECHA’s remit or for which ECHA has delegated tasks (i.e. REACH, CLP, BPR, PIC, CAD / CMD, WFD, and POPs). Please check the substance Infocard.

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Water for Human Consumption Directive

Water for Human Consumption Directive - Quality Criteria

RESTRICTION

This list contains the Annex I parameters from the Drinking Water Directive 98/83/EC, which concerns the quality of water intended for human consumption. Its objective is to protect human health from adverse effects of any contamination of water intended for human consumption by ensuring that it is wholesome and clean.

Name CAS Application Name Expressed As Maximum Threshold Minimum Threshold Part Qualifier(s) Restriction(s) Notes  
Nitrites
Drinking water
0.5 mg/l
B Part B - Chemical parameters
Member States must ensure that the condition that [nitrate]/50 + [nitrite]/3 ≤ 1, the square brackets signifying the concentrations in mg/l for nitrate (NO3) and nitrite (NO2), is complied with and that the value of 0,10 mg/l for nitrites is complied with ex water treatment works
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