pursuant to Article 6 (1) of Directive 76/464/EEC, lays down limit values for emission standards for HCH in discharges from industrial plants as defined in Article 2 (g) of this Directive, pursuant to Article 6 (2) of Directive 76/464/EEC, lays down quality objectives for HCH in the aquatic environment, pursuant to Article 6 (4) of Directive 76/464/EEC, lays down the time limits for compliance with the conditions specified in the authorizations granted by the competent authorities of Member States in respect of existing discharges, pursuant to Article 12 (1) of Directive 76/464/EEC, lays down the reference methods of measurement enabling the concentration of HCH in discharges and in the aquatic environment to be determined, pursuant to Article 6 (3) of Directive 76/464/EEC, establishes a monitoring procedure, requires Member States to cooperate with one another in the case of discharges affecting the waters of more than one Member State.
Council Directive 84/491/EEC of 9 October 1984 on limit values and quality objectives for discharges of hexachlorocyclohexane
Modified by
- Council Directive of 23 December 1991 (91/692/CEE), 31991L0692, December 31, 1991
- Directive 2008/105/EC of the European Parliament and of the Councilof 16 December 2008on environmental quality standards in the field of water policy, amending and subsequently repealing Council Directives 82/176/EEC, 83/513/EEC, 84/156/EEC, 84/491/EEC, 86/280/EEC and amending Directive 2000/60/EC of the European Parliament and of the Council, 32008L0105, December 24, 2008
(a) " HCH "means the isomers of l, 2, 3, 4, 5, 6-hexachlorocyclohexane; (b) " lindane "means a product containing at least 99 % of the y-isomer of 1, 2, 3, 4, 5, 6-hexachlorocyclohexane (c) " extraction of lindane "means the separation of lindane from a mixture of hexachlorocyclohexane isomers; (d) " limit values "means the limit values specified in Annex I; (e) " quality objectives "means the requirements specified in Annex II; (f) " treatment of HCH "means any industrial process involving the production or use of HCH, or any other industrial process in which the presence of HCH is inherent; (g) " industrial plant "means any plant at which HCH or any other substance containing HCH is treated; (h) " existing plant "means an industrial plant which is operational on the date of notification of this Directive. (i) " new plant " meansan industrial plant which has become operational after the date of notification of this Directive, an existing industrial plant whose capacity for the production or treatment of HCH has been substantially increased after the date of notification of this Directive.
1. Limit values and time limits The limit values in the table also include any discharges resulting from lindane formulation on the same site. The Council will, as necessary, determine limit values and appropriate measures later for industrial sectors treating HCH which are not mentioned in this table, and in particular for industrial plants for lindane formulation producing protective agents for plants, wood and cables. Meanwhile, the Member States will independently fix emission standards for the discharges from such plants, taking into account the best technical means available. Limit values by weight (monthly average). Limit values by concentration (monthly flow-weighted average concentration of HCH). Limit values applicable to the total quantity of HCH present in all discharges of water containing HCH coming from the site of the industrial plant. Industrial sector Unit of measurement Limit values to be complied with from 1 April 1986 1 October 1988 1. Plant for the production of HCH grams of HCH per tonne of HCH produced 3 2 milligrams of HCH per litre discharged 3 2 2. Plant for the extraction of lindane grams of HCH per tonne of HCH treated 15 4 milligrams of HCH per litre discharged 8 2 3. Plant where the production of HCH and extraction of lindane is carried out grams of HCH per tonne of HCH produced 16 5 milligrams of HCH per litre discharged 6 2 2. Limit values expressed as concentrations which in principle must not be exceeded are given in the above table. In no instance may limit values expressed as maximum concentrations be greater than limit values expressed by weight divided by water requirements per tonne of HCH produced or treated. The limit values by weight given in the above table, expressed in terms of the quantity of HCH discharged in relation to the quantity of HCH produced or treated, must be complied with in all cases. 3. The daily average limit values are, when monitored in accordance with the provisions in points 4 and 5 below, twice the corresponding monthly average limit values given in the above table. 4. A monitoring procedure must be instituted to check whether the discharges comply with the emission standards which have been fixed in accordance with this Directive. This procedure must provide for the taking and analysis of samples and for measurement of the flow of the discharge and the quantity of HCH produced or treated. Should the quantity of HCH produced or treated be impossible to determine, the monitoring procedure may, at most, be based on the quantity of HCH likely to be produced or treated during the period in question, taking into account the production plants in operation, and within the limits on which the authorization was based. 5. A sample representative of the discharge over a period of 24 hours will be taken. The quantity of HCH discharged over a month must be calculated on the basis of the daily quantities of HCH discharged. However, a simplified monitoring procedure may be instituted in the case of industrial plants which do not discharge more than 3 kg of HCH per annum.
1. The following quality objectives , which will be measured at a point sufficiently close to the point of discharge, are hereby laid down pursuant to Article 2 of Directive 76/464/EEC with the object of eliminating pollution within the meaning of that DirectiveThe concentrations indicated in 1.1 and 1.2 are the minimum requirements necessary to protect aquatic life from pollution within the meaning of Article 1 (2) (e) of Directive 76/464/EEC. .With the exeption of quality objective1.3, all concentrations relate to the arithmetic mean of the results obtained over one year. 1.1. The total HCH concentration in inland surface waters affected by discharges must not exceed 100 nanograms per litre. 1.2. The total concentration of HCH in estuary waters and territorial sea waters must not exceed 20 nanograms per litre. 1.3. In the case of water used for the abstraction of drinking water, the HCH content must conform to the requirements of Directive 75/440/EEC .Directive 75/440/EEC concerns the quality required of surface water intended for the abstraction of drinking water in the Member States ( OJ No L 194, 25.7.1975, p. 26 ). It provides for a mandatory "total pesticides" value (including HCH).2. In addition to the above requirements, HCH concentrations in inland surface waters must be determined by the national network referred to in Article 5 of this Directive and the results compared with a total HCH concentration of 50 nanograms per litre. If this concentration is not complied with at any one of the points on the national network, the reasons must be reported to the Commission. 3. The total concentration of HCH in sediments and/or molluscs and/or shellfish and/or fish must not increase significantly with time. 4. Where several quality objectives are applied to waters in an area, the quality of the waters must be sufficient to comply with each of those objectives.
1. The reference method of analysis for determining the concentration of the substances in question in discharges and in waters will be gas chromotography with electron capture detection after extraction by means of an appropriate solvent and purification. The accuracy and precisionThe definition of these terms are given in Directive 79/869/EEC of 9 October 1979 concerning the methods of measurement and frequenties of sampling and analysis of surface water intended for the abstraction of drinking water in the Member States ( OJ No L 271, 29.10.1979, p. 44 ). of the method must be ± 50 % at a concentration which represents twice the value of the limit of detection.The definition of these terms are given in Directive 79/869/EEC of 9 October 1979 concerning the methods of measurement and frequenties of sampling and analysis of surface water intended for the abstraction of drinking water in the Member States ( OJ No L 271, 29.10.1979, p. 44 ).The limit of detection must be:The definition of these terms are given in Directive 79/869/EEC of 9 October 1979 concerning the methods of measurement and frequenties of sampling and analysis of surface water intended for the abstraction of drinking water in the Member States ( OJ No L 271, 29.10.1979, p. 44 ).in the case of discharges, one-tenth of the concentration required at the point of sampling; in the case of waters subject to a quality objective: (i) for inland surface waters, one-tenth of the concentration indicated in the quality objective; (ii) for estuary waters and territorial sea waters, one-fifth of the concentration indicated in the quality objective;
in the case of sediments, l μg/kg dry weight; in the case of living organisms, 1 μg/kg, wet weight.
2. Effluent flow measurements must be carried out to an accuracy of ± 20 %.
1. For each authorization granted pursuant to this Directive, the competent authority will specify the detailed rules monitoring procedure and time limits for ensuring compliance with the quality objective(s) concerned. 2. In accordance with Article 6 (3) of Directive 76/464/EEC, the Member States will, for each quality objective chosen and applied, report to the Commission on: the points of discharge and the means of dispersal, the area in which the quality objective is applied, the location of sampling points, the frequency of sampling, the methods of sampling and measurement, the results obtained.
3. Samples must be sufficiently representative of the quality of the aquatic environment in the area affected by the discharges, and the frequency of sampling must be sufficient to show any changes in the aquatic environment, having regard in particular to natural variations in the water regime.