Conserving hides or skins,

Manufacture of leather,

Grafting of furs,

Manufacture of leather fibre materials,

the recovery of residues arising from the activities of Z 1 to 4; or

Cleaning of exhaust air and aqueous condensates from activities according to the Z 1 to 5

Waste water from cooling systems and steam generators (§ 4 para. 2 Z 4.1 of the General Waste Water Emission Ordinance-AAEV, BGBl. No 186/1996),

Waste water from water treatment (§ 4 para. 2 Z 4.4 AAEV),

Waste water from the production of skin glue, gelatine and bone glue (§ 4 para. 2 Z 10.3 AAEV) or

domestic waste water from holdings as referred to in paragraph 1.

Collection and discharge of contaminated waste water and precipitation water separated from unpolluted rainwater or cooling water in different waste water systems (separation sewerage);

Reduction of water consumption and waste water, so that in the monthly average a specific waste water waste of no greater than 25 m 3 /t for bovine hides and/or 180 l/Fell for sheepskin without wool is achieved by

Multiple use or recycling of residual broths, rinsing waters or water from the purification of the plant, if necessary using intermediate treatment measures;

Use of dry cleaning measures prior to the wet cleaning of work rooms or plants;

Use of water-saving fittings on tap points;

Use of water-saving measures in all wet process steps (batch washing, etc.) using suitable measuring, control or control systems for process-dependent water dosing,

Preferred use of rotating barrels in suitable wet process steps, optimising the associated operating parameters (pH, liquor, temperature, time, barrel speed, etc.);

as far as possible on the basis of the market offer and the available processing capacity, the incorporation of fresh, unsalted and clean raw materials in order to reduce the salt pollution of the waste water; furthermore, the possibilities of a mechanical Use desalination before the switch to the extent possible; the waste water must be shown to contain no pesticides from hides or skins which are contained in Directive 2008 /105/EC on environmental quality standards in the field of water policy or in Regulation (EC) No 850/2004 on persistent organic pollutants, or in accordance with of Regulation (EC) No 1272/2008 on the classification, labelling and packaging of substances and mixtures as carcinogenic, mutagenic or toxic to reproduction. Evidence that such pesticides are not contained in the waste water can be provided by the fact that there are indications from the sellers according to which the hides or skins used do not contain any such pesticides.

the most extensive internal retention of solids, such as hair, fur, meat or fat, etc.; renunciation of the discharge of pre-crushed solids with the waste water; hair-preserving depletion depending on the amount to be reached leather quality;

Use of such raw materials, working materials and auxiliary materials as well as production processes which permit the most extensive use of the raw, working and auxiliary substances or the production residues contained in the waste water as much as possible (e.g. salts, acids, Tanning agents, dyes); use of raw materials, working materials or auxiliary substances with a high degree of yield (high-yield substances); maximizing the use of chemicals and minimising the use of chemicals by optimising the operating parameters (pH, liquor, Temperature, time, barrel speed, etc.); use of chrome tanning: application tanning techniques which allow the circulation of chromium;

Observance of ecotoxicological data in the safety data sheets of the raw, working and auxiliary substances used; selection and preferred use of such substances, which do not themselves have any dangerous properties in accordance with § 33b (2) and (11) WRG 1959 in which, if possible, no dangerous reaction products are to be expected from the production processes and which can preferably be eliminated by biological waste water purification processes; the use of such products is not as low as possible; Halogen-containing or halogen-splitting working and auxiliary substances; the most extensive use of organic working and auxiliary substances, in particular organic complexing agents, whose overall degradability by aerobic microorganisms in an aqueous medium is not greater than 80% after a test period of 28 days (ÖNORM EN ISO 7827:2013 04 15); selection and use of such biocides, which have been approved in accordance with the provisions of Regulation (EC) No 528/2012 on the making available on the market and use of biocidal products; use of chromium-free Gerbeverfahren, insofar as this is due to the raw materials used and the desired Product qualities are possible; with the use of chrome tanning application of chromarm tanning processes;

Throttled or staggered emptying of large containers; the use of balancing tanks for the reduction of hydraulic and dirt peak loads;

in the case of Indirect ladders, use of physical, physical-chemical or chemical waste water purification processes (e.g. sedimentation, screening, precipitation, flocculation, oxidation/reduction, filtration, adsorption, flotation) in waste water streams and on the Total water;

in the case of direct conductors, the use of methods according to Z 8, as well as biological wastewater purification processes for the removal of carbon compounds and nitrification, and for the removal of nitrogen and phosphorus compounds;

Separate collection and recycling of residues from the waste water, as well as residues from waste water purification or disposal thereof as waste (Waste Management Act 2002 (AWG), BGBl. I n ° 102/2002, as amended by the BGBl version. I No 103/2013).

Unless otherwise provided in the case of Z 2 to 7, an emission limit for a waste water parameter of Appendix A shall be deemed to be complied with if, for five consecutive measurements, four measured values are no greater than those of the Emission limitation and only a measured value does not exceed the emission limit by more than 50% ("4 of 5" rule). "

If no other arrangements are made under Z 2, the measurement shall be repeated if, for up to four times a year, a measurement of a waste water parameter of Appendix A is determined between the Emission limit and its 1.5fachem. If, during the repeated measurement, the measured value is not greater than the emission limit, it shall be deemed to have been complied with. In the case of more frequent monitoring in the year, the "4 of 5" rule shall apply in accordance with paragraph 2. "

in the context of self-monitoring:

continuous measurement of the waste water,

weekly measurement of the parameters Absettable substances, ammonium, biochemical oxygen demand, chemical oxygen demand and total org. . Carbon,

monthly measurement of the chrome-total parameter,

monthly measurement of the sulphide parameter,

quantitative determination of the monthly average value of the specific water consumption in the water workshop up to the tanning as well as in the nasal process steps following the tanning process, and

to quantitatively record the specific annual consumption of chemicals in the wet process, which is related to actual production,

in the context of external monitoring: three-monthly measurement of the AOX parameter. "

If the initial general adjustment in accordance with § 33c WRG 1959 has never been triggered for the introduction and is not an installation according to § 33c (6) Z 1 WRG 1959, it has pursuant to § 33c (1) WRG 1959 pursuant to section 33c (6) WRG 1959 within five years of the entry into force of the Regulation, to comply with the emission limits of Annex A (for a different waste water parameter in accordance with Article 4 (3) of the AAEV of the corresponding emission limit of Appendix A of the AAEV). If an initial general adjustment according to § 33c WRG 1959 has never been initiated for the introduction and is an installation according to § 33c (6) Z 1 WRG 1959, the introduction pursuant to Section 33c (1) of the WRG 1959 according to section 33c (6) of the German WRG (WRG) 1959 within four years following the publication of the Commission's implementing decision on conclusions on best available techniques (BAT) in accordance with Directive 2010 /75/EU on industrial emissions (integrated prevention and control). Reduction of pollution) ('the IE Directive '), OJ C 327, 30.4.2002, p. No. OJ L 334, 17.12.2010, as amended by the corrigendum OJ L 327, 22.12.2010, p. No. OJ L 158, 19.06.2012, p. 25, with regard to the tanning of hides and skins (OJ L 158, 30.4.2012, p. 13) to comply with the emission limits of Annex A (for a different waste water parameter in accordance with Article 4 (3) of the AAEV of the corresponding emission limit of Appendix A of the AAEV).

If a general adjustment obligation pursuant to section 33c (1) WRG 1959 has already been triggered for the introduction and is an installation according to § 33c (6) Z 1 WRG 1959, the introduction pursuant to Section 33c (1) of the WRG 1959 according to § 33c (1) of the German WRG Act (WRG 1959) 6 WRG 1959 within four years following the publication of the Commission's implementing decision on the conclusions on best available techniques (BAT) in accordance with the IE Directive with regard to the tanning of hides and skins Emission limits of Appendix A (for a different waste water parameter according to § 4 para. 3 AAEV of the the corresponding emission limit of Appendix A of the AAEV. "

IE Directive,

Commission implementing decision on conclusions on best available techniques (BAT) in accordance with the IE Directive in relation to the tanning of hides and skins. "

In individual cases, the processing of bovine skins allows an emission limit of up to 35 °C if the specific amount of heat in the waste water is no greater than 31,700 MJ/t of the raw skin.

The parameter GF is in the context of the external monitoring according to § 4 (3) with reasonable suspicion or concrete indication of the flow-water-damaging effect of a waste water introduction pursuant to § 1 para. 1, but not in the context of self-monitoring according to § 4 Paragraph 2.

The definition of the parameter settable substances shall not be subject to the definition of the parameter to be filtered off.

In individual cases, a higher emission limit shall be permitted provided that it is ensured that there is no deposit as a result of an introduction pursuant to Article 1 (1) which disturb the operation of the public sewerage or sewage treatment plant.

The flow of waste water from the tanning (including the rinsing waters and the waters from the revelation) and from the production of leather fibres shall be recorded and cleaned separately; without prejudice to the definition of the total water, the flow shall be carried out at the end of the process. to comply with an emission limit of 5.0 mg/l for this partial flow purification.

Footnote (e) shall apply if a daily waste water quantity is introduced from an establishment or plant in accordance with Article 1 (2) into a public sewerage system which has a daily water consumption of greater than 10 m 3 (determined as the arithmetic mean of the daily water consumption of 60 consecutive days).

In addition, an emission limit of 1 mg/l in the monthly average shall apply to waste water from the activities referred to in Article 1 (1) of plants and plants which carry out an industrial activity as referred to in Annex I to the IE Directive.

The emission limit shall only be required in the case of waste water from the colouring of furs (§ 1 para. 2 Z 3); it must be kept at the partial flow from the pickling (including rinsing water).

The emission limit shall apply at a waste water temperature of greater than 12 ° C in the course of the biological stage of the waste water purification plant. The waste water temperature of 12 ° C shall be considered below if, for five evenly distributed temperature measurements over one day, more than one measured value is not greater than 12 ° C.

The emission limit is to be determined on a case-by-case basis at the risk of odour nuisances or in the event of a risk of corrosion for cement-bound materials in the area of the public sewerage or sewage treatment plant (ÖNORM B 2503, August 2012).

Sum of organically bound nitrogen, ammonium nitrogen, nitrite nitrogen and nitrate nitrogen.

If the water-law approval of the biological stage of the wastewater treatment plant is a daily raw feed cycle of more than 150 kg BSB 5 on the basis of the cargo to TN, which is responsible for the biological stage of the waste water purification plant B to reduce by more than 75% (minimum efficiency). The minimum efficiency refers to that of the biological stage of the waste water purification plant. the cargo flowing out of the sewage treatment plant to TN B one day.

The emission limit is to be determined on a case-by-case basis as a function of the building materials and the mixing ratios in the public sewerage system (ÖNORM B 2503, August 2012).

At a TOC feed concentration of the daily mixed samples of greater than 700 mg/l (measured as the arithmetic monthly mean in the feed to the biological stage of the waste water purification plant), a discharge concentration corresponding to one Minimum TOC capacity of 90% allowed. The minimum building performance refers to the ratio of the TOC daily loads in the inflow and/or the Drain of the biological stage of the wastewater treatment plant.

For the TOC and CSB parameters, it is sufficient if either the TOC parameter or the CSB parameter is monitored.

In the case of a COD feed concentration of the daily mixed samples of greater than 2 000 mg/l (measured as the arithmetic monthly mean in the feed to the biological stage of the waste water purification plant), a discharge concentration corresponding to one CSB minimum building power of 90% allowed. The minimum building performance refers to the ratio of the CSB daily rates in the inflow and/or Drain of the biological stage of the wastewater treatment plant.

In individual cases, a higher emission limit shall be permitted provided that it is ensured that it does not lead to the formation of disruptive fat deposits in the public sewage and sewage treatment plant and not to the training of disruptive systems. Swimming mud ceilings in the septic tanks of the public sewage treatment plant, according to § 1 para. 1, come to an introduction.

The emission limit is in individual cases dependent on a runoff situation in which the water guidance of the curator is less than 75 m 3 per m 3 the assessment value of the waste water discharges in accordance with § 1, paragraph 2, shall be reduced, with "≥" 65 mN/m. Such a drainage situation occurs from that day on which the defined runoff conditions have occurred on two of the last three days. The sum of the project-specific discharges into a surface water is to be used as the rated value. In individual cases, a lower emission limit shall be permitted if it is ensured that the combined effect of the reduction of foam-relevant substances, together with the change in surface tension, will have the same effect as those of the any increase in surface tension is achieved.

At a TOC feed concentration of the daily mixed samples of greater than 1 400 mg/l (measured as the arithmetic monthly mean in the feed to the biological stage of the waste water purification plant), a discharge concentration corresponding to one Minimum TOC capacity of 95% allowed. The minimum building performance relates to the ratio of the TOC daily loads in the feed of the biological stage of the waste water purification plant or plant, respectively. at the end of the entire cleaning system.

If it is necessary on a case-by-case basis due to the pre-loading, a drainage situation in which the water guidance of the curator is less than 75 m 3 per m 3 the sum of the assessment values of the waste water discharges in accordance with § 1 (2) shall be reduced, the discharge concentration resulting according to r) shall be limited to a maximum of 100 mg/l of TOC. The sum of the project-specific discharges into a surface water is to be used as the rated value.

For the TOC and CSB parameters, it is sufficient if either the TOC parameter or the CSB parameter is monitored.

In the case of a COD feed concentration of the daily mixed samples of greater than 4 000 mg/l (measured as the arithmetic monthly average in the feed to the biological stage of the waste water purification plant), a discharge concentration corresponding to one CSB minimum building capacity of 95% allowed. The minimum building performance refers to the ratio of the CSB daily rates in the feed of the biological stage of the wastewater treatment plant or water purification plant, respectively. at the end of the entire cleaning system.

If it is necessary on a case-by-case basis due to the pre-loading, a drainage situation in which the water guidance of the curator is less than 75 m 3 per m 3 the sum of the dimensions of the waste water discharges in accordance with § 1 (2) decreases, the resulting concentration of 275 mg/l CSB is to be limited according to t). The sum of the project-specific discharges into a surface water is to be used as the rated value.

The parameters fish toxicity GF, aluminium, arsenic, chromium-total, iron, ammonium, total geb. Nitrogen TN B , Phosphorus-Total, Sulfat, TOC, CSB, BSB 5 , AOX, Volatile Lipophilic Substances and Hydrocarbon Index are to be determined on the basis of quantities proportional to non-deposited homogenized daily mixing samples. In the case of discontinuous emptying of a stacking container, the sample is considered as a quantity-proportional sampling for the emptied waste water volume.

The parameters temperature, decomposable substances, pH value, chromium VI and sulphide are to be determined at random samples. The daily frequency and intervals of the sampling frames shall be determined as a function of the drainage behaviour of the waste water constituents (properties); concentrations and rates shall be determined in proportion to the quantity.

The parameters fish toxicity, decomposable substances, aluminium, arsenic, total chromium, iron, total weight. Nitrogen TN B , Phosphorus-Total, TOC, CSB, BSB 5 , AOX, Heavy Volatile Lipophilic Substances and Hydrocarbon Index refer to total contents.

The emission limit of the overall parameter. Nitrogen TN B is based on the following or equivalent analytical method. For the whole parameter. Nitrogen TN B an analytical method shall be considered to be equivalent if its limit of determination is not greater than 0,5 mg/l (ber. as N).