- Latest available (Revised)
- Point in Time (29/06/2011)
- Original (As adopted by EU)
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Version Superseded: 01/12/2012
Point in time view as at 29/06/2011.
There are currently no known outstanding effects for the Commission Decision of 28 June 2011 on establishing the ecological criteria for the award of the EU Ecolabel to all-purpose cleaners and sanitary cleaners (notified under document C(2011) 4442) (Text with EEA relevance) (2011/383/EU) (repealed), ANNEX.
Revised legislation carried on this site may not be fully up to date. At the current time any known changes or effects made by subsequent legislation have been applied to the text of the legislation you are viewing by the editorial team. Please see ‘Frequently Asked Questions’ for details regarding the timescales for which new effects are identified and recorded on this site.
The criteria aim, in particular, at promoting products that have a reduced environmental impact by limiting the quantity of harmful substances, by reducing the quantity of detergent used and by reducing packaging waste. The criteria furthermore aim at reducing or preventing of risks for the environment and for human health related to the use of hazardous substances, minimising packaging waste, providing information that will enable the consumer to use the product in the way that is efficient and minimising environmental impact.
The specific assessment and verification requirements are indicated within each criterion.
Where the applicant is required to provide declarations, documentation, analyses test reports, or other evidence to show compliance with the criteria, it is understood that these may originate from the applicant and/or his supplier(s) and/or their supplier(s) etc., as appropriate.
Where possible, the testing should be performed by laboratories that meet the general requirements of EN ISO 17025 or equivalent.
Where appropriate, test methods other than those indicated for each criterion may be used if the competent body assessing the application accepts their equivalence.
Appendix I makes reference to the Detergents Ingredients Database (DID) list which contains the most widely used ingredients used in detergent formulations. It shall be used for deriving the data for the calculations of the Critical Dilution Volume (CDV) and for the assessment of the biodegradability of the ingredients. For substances not present on the DID list, guidance is given on how to calculate or extrapolate the relevant data. The latest version of the DID list is available from the EU Ecolabel website or via the websites of the individual competent bodies.
Where appropriate, competent bodies may require supporting documentation and may carry out independent verifications.
All substances in the product, including additives (e.g. preservatives or stabilisers) in the ingredients, of which the concentration exceeds 0,010 % by weight of the final formulation shall comply with the EU Ecolabel criteria, except for Criterion 1, where each intentionally added substance should be included, irrespective of its weight. Impurities resulting from the production of the ingredients which are present in concentrations > 0,010 % by weight of the final formulation shall also comply with the criteria.
For all-purpose cleaners which are diluted in water prior to use the dosage in grams of the product recommended by the manufacturer for preparing 1 litre of washing water for cleaning of normally soiled surfaces is taken as the reference dosage for the calculations aiming at documenting compliance with the EU Ecolabel criteria and for testing of cleaning ability.
The critical dilution volume (CDVchronic) is calculated for each substance (i) using the following equation:
where weight(i) is the weight of the substance (in grams) contained in the dosage recommended by the manufacturer for 1 litre of washing water (for all-purpose cleaners which are diluted in water prior to use) or per 100 grams of product (all-purpose cleaners, window cleaners and sanitary cleaners which are used without dilution). DF(i) is the degradation factor and TFchronic(i) is the toxicity factor of the substance (in milligrams/litre).
The values of DF and TFchronic shall be as given in the detergent ingredient database list-Part A (DID list-Part A) (Appendix I). If the substance in question is not included in the DID list-Part A, the applicant shall estimate the values following the approach described in the DID list-Part B (Appendix I). The CDVchronic is summed for each substance, making the CDVchronic for the product.
For all-purpose cleaners which are diluted in water prior to use, the CDVchronic shall be calculated on the basis of the dosage in grams of the product recommended by the manufacturer for preparing 1 litre of washing water for cleaning of normally soiled surfaces. The CDVchronic of the recommended dose expressed for 1 litre of washing water shall not exceed 18 000 litres.
For all-purpose cleaners which are used without dilution, the CDVchronic for 100 g of the product shall not exceed 52 000 litres.
For window cleaners, the CDVchronic for 100 g of the product shall not exceed 4 800 litres.
For sanitary cleaners, the CDVchronic for 100 g of the product shall not exceed 80 000 litres.
Assessment and verification: the exact formulation of the product shall be provided to the competent body, together with the details of the CDVchronic calculations showing compliance with this Criterion.
Each surfactant used in the product shall be readily biodegradable.
Assessment and verification: the exact formulation of the product as well as a description of the function of each substance shall be provided to the Competent Body. The DID list-Part A (Appendix I) indicates whether a specific surfactant is aerobically biodegradable or not (the surfactants with an entry of ‘R’ in the column on aerobic biodegradability are readily biodegradable). For surfactants which are not included in the DID list-Part A, the relevant information from literature or other sources, or appropriate test results, showing that they are aerobically biodegradable shall be provided. The tests for ready biodegradability shall be as referred to in Regulation (EC) No 648/2004 of the European Parliament and of the Council of 31 March 2004 on detergents(1). Surfactants shall be considered as readily biodegradable if the level of biodegradability (mineralisation) measured in accordance with one of the five following tests is at least 60 % within 28 days: CO2 headspace test (OECD 310), carbon dioxide (CO2) Evolution Modified Sturm test (OECD 301B; Council Regulation (EC) No 440/2008(2) method C.4-C), Closed Bottle test (OECD 301D; Regulation (EC) No 440/2008 method C.4-E), Manometric Respirometry (OECD 301F; Regulation (EC) No 440/2008 method C.4-D), or MITI (I) test (OECD 301C; Regulation (EC) No 440/2008 method C.4-F), or their equivalent ISO tests. Depending on the physical characteristics of the surfactant, one of the following tests might be used to confirm ready biodegradability, if the level of biodegradability is at least 70 % within 28 days: Dissolved Organic Carbon DOC Die-Away (OECD 301A; Regulation (EC) No 440/2008 method C.4-A) or Modified OECD Screening DOC Die-Away (OECD 301E; Regulation (EC) No 440/2008 method C.4-B), or their equivalent ISO tests. The applicability of test methods based on measurement of dissolved organic carbon needs to be appropriately justified as these methods could give results on the removal and not on the biodegradability. Pre-adaptation is not to be used in tests for aerobic ready biodegradability. The 10 days window principle shall not apply.
Surfactants that are not biodegradable under anaerobic conditions may be used in the product within specified limitations provided that the surfactants are not classified with H400/R50 (Very toxic to aquatic life) within the limit specified below.
For all-purpose cleaners to be diluted with water prior to use, the total weight of anaerobically non-biodegradable surfactants must not exceed 0,40 g of the recommended dose expressed for 1 litre of washing water.
For all-purpose cleaners to be used without dilution, the total weight of anaerobically non-biodegradable surfactants must not exceed 4,0 g per 100 g product.
For sanitary cleaners, the total weight of anaerobically non-biodegradable surfactants must not exceed 2,0 g per 100 g product.
For window cleaners, the total weight of anaerobically non-biodegradable surfactants must not exceed 2,0 g per 100 g product.
Assessment and verification: the exact formulation of the product as well as a description of the function of each substance shall be provided to the competent body. The DID list-Part A (Appendix I) indicates whether a specific surfactant is anaerobically biodegradable or not (the surfactants with an entry of ‘Y’ in the column on anaerobic biodegradability are biodegradable under anaerobic conditions). For surfactants which are not included in the DID list-Part A, the relevant information from literature or other sources, or appropriate test results, showing that they are anaerobically biodegradable shall be provided. The reference test for anaerobic degradability shall be OECD 311, ISO 11734, ECETOC No 28 (June 1988) or an equivalent test method, with the requirement of a minimum of 60 % ultimate degradability under anaerobic conditions. Test methods simulating the conditions in a relevant anaerobic environment may also be used to document that 60 % ultimate degradability has been attained under anaerobic conditions.
The requirements stated in (a), (b) and (c) below shall apply to each substance, including biocides, colouring agents and fragrances, that exceeds 0,010 % by weight of the final product. This includes also each substance of any mixture used in the formulation that exceeds 0,010 % by weight of the final product. Nanoforms intentionally added to the product shall prove compliance with the Criterion 3(c) for any concentration.
The following substances shall not be included in the product, either as part of the formulation or as part of any mixture included in the formulation:
Alkyl phenol ethoxylates (APEOs) and derivatives thereof
EDTA (ethylene-diamine-tetra-acetic-acid) and its salts
5-Bromo-5-nitro-1,3-dioxane
2-Bromo-2-nitropropane-1,3-diol
Diazolinidylurea
Formaldehyde
Sodium hydroxy methyl glycinate
Nitromusks and polycyclic musks, including for example:
Musk xylene: 5-Tert-butyl-2,4,6-trinitro-m-xylene,
Musk ambrette: 4-Tert-butyl-3-methoxy-2,6-dinitrotoluene,
Moskene: 1,1,3,3,5-Pentamethyl-4,6-dinitroindan,
Musk tibetine: 1-Tert-butyl-3,4,5-trimethyl-2,6-dinitrobenzene,
Musk ketone: 4′-Tert-butyl-2′,6′-dimethyl-3′,5′-dinitroacetaphenone,
HHCB (1,3,4,6,7,8-Hexahydro-4,6,6,7,8,8-hexamethylcyclopenta(g)-2-benzopyran),
AHTN (6-Acetyl-1,1,2,4,4,7-hexamethyltetralin).
Assessment and verification: the applicant shall provide a declaration supported by declarations from manufacturers of substances, as appropriate, confirming that the listed substances have not been included in the product.
Quaternary ammonium salts that are not readily biodegradable shall not be used, either as part of the formulation or as part of any mixture included in the formulation.
Assessment and verification: the applicant shall provide documentation showing the biodegradability of any quaternary ammonium salt used.
According to the Article 6(6) of Regulation (EC) No 66/2010, the product or any part of it shall not contain substances (in any forms, including nanoforms) meeting criteria for classification with the hazard statements or risk phrases specified below in accordance with Regulation (EC) No 1272/2008 of the European Parliament and of the Council(3) or Council Directive 67/548/EEC(4) nor shall it contain substances referred to in Article 57 of Regulation (EC) No 1907/2006 of the European Parliament and of the Council(5). The risk phrases below generally refer to substances. However, for mixtures of enzymes and fragrances, where information on substances cannot be obtained, the classification rules for mixtures shall be applied.
List of hazard statements and risk phrases:
a As provided for in Regulation (EC) No 1272/2008. | |
b As provided for in Directive 67/548/EEC. | |
Hazard Statementa | Risk Phraseb |
---|---|
H300 Fatal if swallowed | R28 |
H301 Toxic if swallowed | R25 |
H304 May be fatal if swallowed and enters airways | R65 |
H310 Fatal in contact with skin | R27 |
H311 Toxic in contact with skin | R24 |
H330 Fatal if inhaled | R23; R26 |
H331 Toxic if inhaled | R23 |
H340 May cause genetic defects | R46 |
H341 Suspected of causing genetic defects | R68 |
H350 May cause cancer | R45 |
H350i May cause cancer by inhalation | R49 |
H351 Suspected of causing cancer | R40 |
H360F May damage fertility | R60 |
H360D May damage the unborn child | R61 |
H360FD May damage fertility. May damage the unborn child | R60-61 |
H360Fd May damage fertility. Suspected of damaging the unborn child | R60-63 |
H360Df May damage the unborn child. Suspected of damaging fertility | R61-62 |
H361f Suspected of damaging fertility | R62 |
H361d Suspected of damaging the unborn child | R63 |
H361fd Suspected of damaging fertility. Suspected of damaging the unborn child. | R62-63 |
H362 May cause harm to breast-fed children | R64 |
H370 Causes damage to organs | R39/23; R39/24; R39/25; R39/26; R39/27; R39/28 |
H371 May cause damage to organs | R68/20; R68/21; R68/22 |
H372 Causes damage to organs through prolonged or repeated exposure | R48/25; R48/24; R48/23 |
H373 May cause damage to organs through prolonged or repeated exposure | R48/20; R48/21; R48/22 |
H400 Very toxic to aquatic life | R50 |
H410 Very toxic to aquatic life with long-lasting effects | R50-53 |
H411 Toxic to aquatic life with long-lasting effects | R51-53 |
H412 Harmful to aquatic life with long-lasting effects | R52-53 |
H413 May cause long-lasting harmful effects to aquatic life | R53 |
EUH059 Hazardous to the ozone layer | R59 |
EUH029 Contact with water liberates toxic gas | R29 |
EUH031 Contact with acids liberates toxic gas | R31 |
EUH032 Contact with acids liberates very toxic gas | R32 |
EUH070 Toxic by eye contact | R39-41 |
Sensitising substances | |
H334: May cause allergy or asthma symptoms or breathing difficulties if inhaled | R42 |
H317: May cause allergic skin reaction | R43 |
Substances or mixtures which change their properties upon processing (e.g. become no longer bioavailable, undergo chemical modification) so that the identified hazard no longer applies are exempted from the above requirement.
Derogations: the following substances or mixtures are specifically exempted from this requirement:
a The percentage must be divided by the M-factor established in accordance with the Regulation (EC) No 1272/2008. | ||
b Including stabilisers and other auxiliary substances in the preparations. | ||
c In concentrations lower than 1,0 % in the raw material as long as the total concentration in the final product is lower than 0,10 %. | ||
Surfactants In concentrations < 25 % in the producta | H400 Very toxic to aquatic life | R50 |
Fragrances | H412 Harmful to aquatic life with long-lasting effects | R52-53 |
Enzymesb | H334: May cause allergy or asthma symptoms or breathing difficulties if inhaled | R42 |
Enzymesb | H317: May cause allergic skin reaction | R43 |
NTA as an impurity in MGDA and GLDAc | H351 Suspected of causing cancer | R40 |
Assessment and verification: the applicant shall provide the exact formulation of the product to the competent body. The applicant shall demonstrate compliance with this Criterion for substances in the product on the basis of information consisting as a minimum of that specified in Annex VII to the Regulation (EC) No 1907/2006. Such information shall be specific to the particular form of the substance, including nanoforms, used in the product. For that purpose, the applicant shall provide a declaration of compliance with this Criterion, together with a list of ingredients and related Safety Data Sheets in accordance with Annex II to Regulation (EC) No 1907/2006 for the product as well as for all substances listed in the formulation(s). Concentration limits shall be specified in the Safety Data Sheets in accordance with Article 31 of Regulation (EC) No 1907/2006.
No derogation from the exclusion in Article 6(6) of Regulation (EC) No 66/2010 may be given concerning substances identified as substances of very high concern and included in the list foreseen in Article 59 of Regulation (EC) No 1907/2006 present in mixtures in concentrations higher than 0,010 %.
Assessment and verification: the list of substances identified as substances of very high concern and included in the candidate list in accordance with Article 59 of Regulation (EC) No 1907/2006 can be found here:
http://echa.europa.eu/chem_data/authorisation_process/candidate_list_table_en.asp
Reference to the list shall be made on the date of application.
Concentration limits shall be specified in the safety data sheets in accordance with Article 31 of Regulation (EC) No 1907/2006.
Assessment and verification: the applicant shall provide copies of the material safety data sheets of any preservatives added, together with information on their exact concentration in the product. The manufacturer or supplier of the preservatives shall provide information on the dosage necessary to preserve the product.
Assessment and verification: the applicant shall provide the texts and layouts used on each type of packaging and/or an example of each different type of packaging to the competent body.
Assessment and verification: the applicant shall provide copies of the material safety data sheets for all biocides, together with a documentation of the concentrations of the biocides in the final product.
Assessment and verification: the applicant shall provide a declaration of compliance with each part of Criteria (a) and (b). For Criterion (c), the applicant shall provide a signed declaration of compliance indicating the amount of fragrances in the product. The applicant shall also provide a declaration from the fragrance manufacturer specifying the content of each of the substances in the fragrances which are listed in Annex III, Part I to Council Directive 76/768/EEC(7) as well as the content of (other) substances which have been assigned the risk phrases R43/H317 and/or R42/H334.
The final products of all-purpose cleaners and sanitary cleaners (as sold) shall not contain more than 6 % (by weight) of volatile organic compounds with a boiling point lower than 150 °C. Alternatively, for concentrated products to be diluted in water, the total concentration of volatile organic compounds with a boiling point lower than 150 °C shall not exceed 0,2 % (by weight) in the washing water.
The final products of window cleaners (as sold) shall not contain more than 10 % (by weight) of volatile organic compounds with a boiling point lower than 150 °C.
Assessment and verification: the applicant shall provide copies of the material safety data sheets of each organic solvent together with details of the calculations of the total concentration of volatile organic compounds with a boiling point lower than 150 °C.
The total quantity of elemental phosphorous in the product shall be calculated on the basis of the dosage of the product recommended by the manufacturer for preparing 1 litre of washing water for cleaning of normally soiled surfaces (for products diluted in water prior to use) or per 100 g of product (for products used without dilution) taking into account all substances containing phosphorus (e.g. phosphates and phosphonates).
For all-purpose cleaners, which are diluted in water prior to use, the total phosphorus content (P) shall not exceed 0,02 g of the dosage of the product recommended by the manufacturer for 1 litre of washing water.
For all-purpose cleaners, which are used without dilution, the total phosphorus content (P) shall not exceed 0,2 g per 100 g of product.
For sanitary cleaners, the total phosphorus content (P) shall not exceed 1,0 g per 100 g of product.
Substances used in window cleaners must not contain phosphorus.
Assessment and verification: the applicant shall provide the exact formulation of the product to the competent body, together with the details of the calculations showing compliance with this Criterion.
Editorial Information
Product type | WUR |
---|---|
Concentrated products, including liquid concentrates and solids, that are diluted in water prior to use | 1,20 gram packaging per litre use solution (washing water) |
Ready-to-use products, i.e. products used without further dilution | 150 gram packaging per litre use solution (washing water) |
WUR is calculated only for the primary packaging (including caps, stoppers and hand pumps/spraying devices) by using the formula below:
where
=
The weight (g) of the primary packaging (i) including label if applicable.
=
The weight (g) of non-recycled (virgin) material in the primary packaging (i). If the proportion of recycled material in the primary packaging is 0 %, then Ui = Wi.
=
The number of functional doses (= number of the dosage volume which is recommended by the manufacturer for 1 litre of washing water) contained in the primary packaging (i). In the case of ready-to-use products that are sold pre-diluted, Di = product volume (in litres).
=
Recycling figure, i.e. the number of times the primary packaging (i) is used for the same purpose through a return or refill system (ri = 1, if the packaging is not reused for the same purpose. If the packaging is reused, ri is set to 1 unless the applicant can document a higher number.
Assessment and verification: the applicant shall provide a calculation of the WUR of the product to the competent body, together with a declaration of compliance with each part of this Criterion. For Criterion (e) the applicant shall provide completed and signed declaration of compliance.
The product shall be fit for use, meeting the needs of the consumers.
For all-purpose cleaners, only fat-removing effects must be documented. For window cleaners, stripe-less drying must be documented.
The cleaning ability must be equivalent to or better than that of a market-leading or generic reference product, approved by a competent body.
Assessment and verification: the performance of the product must either be tested by:
an adequate and justifiable laboratory test, or
an adequate and justifiable consumer test.
Both tests must be carried out and reported within specified parameters as stated in the framework described in ‘Framework for testing the performance of all-purpose cleaners, window cleaners and sanitary cleaners’ that can be found here:
http://ec.europa.eu/environment/ecolabel/ecolabelled_products/categories/purpose_cleaners_en.htm
Sanitary cleaners include bathroom cleaners, toilet cleaners and kitchen cleaners. For bathroom cleaners, both limesoap and limescale removal shall be documented. For acidic toilet cleaners, only limescale removal shall be documented. For kitchen cleaners fat removing effects shall be documented.
The cleaning ability must be equivalent to or better than that of the generic reference detergent specified below.
Assessment and verification: the performance of the product must either be tested by:
an adequate and justifiable laboratory test, or
an adequate and justifiable consumer test.
Both tests must be carried out and reported within specified parameters as stated in the framework described in ‘Framework for testing the performance of all-purpose cleaners, window cleaners and sanitary cleaners’. The generic reference detergent shall be the one prescribed in IKW performance test ‘Recommendation for the quality assessment of acidic toilet cleaners’ (SÖFW-Journal, 126, 11, pp. 50-56, 2000). The reference detergent is applicable for toilet cleaners and bathroom cleaners; however the pH must be reduced to 3,5 for the testing of bathroom cleaners.
The IKW performance test ‘Recommendation for the quality assessment of acidic toilet cleaners’ (SÖFW-Journal, 126, 11, pp. 50-56, 2000) can be downloaded from
http://www.ikw.org/pdf/broschueren/EQ_WC_Reiniger_Englisch.pdf
Information on the recommended dosage of all-purpose cleaners and sanitary cleaners shall appear on the packaging in a reasonably sufficient size and against a visible background. In the case of a concentrated product, it shall be clearly indicated on the packaging that only a small quantity of the product is needed compared to normal (i.e. diluted) products.
The following text (or equivalent text) shall appear on the packaging:
‘Proper dosage saves costs and minimises environmental impacts’.
The following text (or equivalent text) shall appear on the packaging of ready-to-use all-purpose cleaners: ‘The product is not intended for large-scale cleaning’.
The following safety advice (or equivalent) shall appear on the product in text or as pictogram:
‘Keep away from children’,
‘Do not mix different cleaners’,
‘Avoid inhaling sprayed product’ (only for products that are packaged as sprays).
Assessment and verification: the applicant shall provide a sample of the product packaging, including the label to the competent body, together with a declaration of compliance with each part of this Criterion.
Optional label with text box shall contain the following text:
‘reduced impact on aquatic life,
reduced use of hazardous substances,
reduced packaging waste,
clear user instructions.’
The guidelines for the use of the optional label with text box can be found in the ‘Guidelines for the use of the EU Ecolabel logo’ on the website:
http://ec.europa.eu/environment/ecolabel/promo/logos_en.htm
Assessment and verification: the applicant shall provide a sample of the label, together with a declaration of compliance with this Criterion.
For detergents, which are used by professional users, the producer, its distributor or a third party shall offer training or training materials for cleaning staff. These shall include step-by-step instructions for proper dilution, use, disposal and the use of equipment.
Assessment and verification: a sample of training material containing step-by-step instructions for proper dilution, use, disposal and the use of equipment and a description of training courses shall be provided to the competent body.
The DID list (Part A) is a list containing information of the aquatic toxicity and biodegradability of ingredients typically used in detergent formulations. The list includes information on the toxicity and biodegradability of a range of substances used in washing and cleaning products. The list is not comprehensive, but guidance is given in Part B of the DID list concerning the determination of the relevant calculation parameters for substances not present on the DID list (e.g. the Toxicity Factor (TF) and degradation factor (DF), which are used for calculation of the critical dilution volume). The list is a generic source of information and substances present on the DID list are not automatically approved for use in EU Ecolabelled products. The DID list (Parts A and B) can be found on the EU Ecolabel website: http://ec.europa.eu/environment/ecolabel/ecolabelled_products/categories/did_list_en.htm
For substances with no data regarding aquatic toxicity and degradability, structure analogies with similar substances may be used to assess the TF and DF. Such structure analogies shall be approved by the competent body granting the EU Ecolabel license. Alternatively, a worst case approach shall be applied, using the parameters below:
Worst case approach:
The following test methods for ready biodegradability shall be used.
Until 1 December 2010 and during transition period from 1 December 2010 to 1 December 2015:
The test methods for ready biodegradability provided for in Directive 67/548/EEC, in particular the methods detailed in Annex V.C4 to that Directive, or their equivalent OECD 301 A-F test methods, or their equivalent ISO tests.
The 10-days window principle shall not apply for surfactants. The pass levels shall be 70 % for the tests referred to in Regulation (EC) No 440/2008 method C.4-A and C4-B (and their equivalent OECD 301 A and E tests and ISO equivalents), and shall be 60 % for methods C4-C, D, E and F (and their equivalent OECD 301 B, C, D and F tests and ISO equivalents).
After 1 December 2015 and during transition period from 1 December 2010 to 1 December 2015:
The test methods provided for in Regulation (EC) No 1272/2008.
The reference test for anaerobic degradability shall be EN ISO 11734, ECETOC No 28 (June 1988), OECD 311 or an equivalent test method, with the requirement of 60 % ultimate degradability under anaerobic conditions. Test methods simulating the conditions in a relevant anaerobic environment may also be used to document that 60 % ultimate degradability has been attained under anaerobic conditions.
Where the ingredients that are not listed in the DID list the following approach may be used to provide the necessary documentation of anaerobic biodegradability:
Apply reasonable extrapolation. Use test results obtained with one raw material to extrapolate the ultimate anaerobic degradability of structurally related surfactants. Where anaerobic biodegradability has been confirmed for a surfactant (or a group of homologues) in accordance with the DID list, it can be assumed that a similar type of surfactant is also anaerobically biodegradable (e.g. C12-15 A 1-3 EO sulphate [DID No 8] is anaerobically biodegradable, and a similar anaerobic biodegradability may also be assumed for C12-15 A 6 EO sulphate). Where anaerobic biodegradability has been confirmed for a surfactant by use of an appropriate test method, it can be assumed that a similar type of surfactant is also anaerobically biodegradable (e.g. literature data confirming the anaerobic biodegradability of surfactants belonging to the group alkyl ester ammonium salts may be used as documentation for a similar anaerobic biodegradability of other quaternary ammonium salts containing ester-linkages in the alkyl chain(s)).
Perform screening test for anaerobic degradability. If new testing is necessary, perform a screening test by use of EN ISO 11734, ECETOC No 28 (June 1988), OECD 311 or an equivalent method.
Perform low-dosage degradability test. If new testing is necessary, and in the case of experimental problems in the screening test (e.g. inhibition due to toxicity of test substance), repeat testing by using a low dosage of surfactant and monitor degradation by 14C measurements or chemical analyses. Testing at low dosages may be performed by use of OECD 308 (August 2000) or an equivalent method.
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