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Article 1(b) of the Convention. Application of the Convention to all activities involving exposure of workers to products containing benzene, and Article 4(1). Prohibition of the use of benzene or products containing benzene in certain work. For many years, the Committee has been requesting the Government to take appropriate measures to extend the scope of application of its national legislation to ensure that it covers all activities involving exposure of workers to benzene or products of benzene containing more than 1 per cent by volume of benzene, in accordance with Article 1 of the Convention. Furthermore, the Committee previously requested the Government to take legislative measures to determine the work processes in which the use of benzene and products of benzene is prohibited, in accordance with Article 4(1) of the Convention. The Committee notes with regret the information provided by the Government that there are no specific standards on benzene establishing the protection of workers against risks related to exposure to or use of this chemical as required by Articles 4, 5, 6, 7, 8 and 9 of the Convention. However, the Government indicates that there are general technical standards which could contribute to protecting workers against exposure, such as Colombian Technical Standard NTC 1728 of 1982 concerning protective respiratory equipment against toxic gases. Furthermore, the Government indicates that, given that the International Agency for Research on Cancer (IARC) has classified benzene as group 1, the Ministry of Social Protection signed an agreement with the National Cancer Institute in 2008 with the aim of drawing up a technical standard and the National Plan on the Prevention of Occupational Cancer in Colombia 2010–14. The general objective of the Plan is to promote the prevention of occupational cancer and its social, economic and personal impact across the national territory. The specific objectives include the goal of developing and maintaining a system for collecting data on morbidity and mortality; investigating carcinogenic agents; implementing systems of monitoring at the government level; determining the priorities relating to vigilance and exposure; implementing the international recommendations made by the WHO and the ILO on matters relating to occupational cancer; and providing information to workers. The Committee notes that the issue is the scope of the Convention, as defined in Article 1(a) and (b), that Colombia ratified the Convention more than 30 years ago and that the Government should give full effect to all provisions of the Convention relating to the aromatic hydrocarbon mentioned in Article 1(a), as well as products containing benzene, in accordance with Article 1(b), whether by means of specific technical standards on benzene or more general standards on occupational cancer. As pointed out by the Government in its report, this matter has effects in various Articles of the Convention. Taking into account the information provided by the Government that there are no specific technical standards on benzene, but taking into account also that the standards on protection against occupational cancer could cover certain aspects of the Convention, the Committee requests the Government to provide detailed information on the manner in which these standards cover the provisions of the Convention concerning exposure to products containing benzene. Furthermore, taking into account that one of the objectives of the National Plan on the Prevention of Occupational Cancer is to ensure compliance with the ILO Conventions and that 30 years after its ratification the application of the national legislation to the two cases provided for in the Convention is still not guaranteed, the Committee urges the Government to take the necessary legislative measures to ensure that the Convention also applies to activities involving exposure of workers to products containing benzene and to provide the relevant texts, as well as relevant information relating to the Convention arising from the implementation of the National Plan on the Prevention of Occupational Cancer.
Article 9(1)(b). Periodic medical re-examinations. In its previous comments, the Committee requested the Government to indicate whether the medical examinations to be carried out in the framework of the subprogramme of preventive and occupational medicine are compulsory and whether the subprogramme has a binding effect which does not leave it to the discretion of the employer to carry out or to not carry out the medical examinations. Furthermore, the Committee, reminding the Government that this provision of the Convention calls for periodic re-examination at intervals to be fixed by national laws or regulations, requested the Government to take the appropriate legislative measures in this regard and to specify the periodicity of the medical examinations to be carried out according to the above subprogramme. The Committee notes that the Government indicates that section 19(1) of Ministry of Social Protection Resolution No. 2346 of 2007, as amended by Resolution No. 1918 of 2009, provides that occupational medical assessments constitute one of the main activities under the subprogramme on preventive and occupational medicine. The Committee notes with interest that, under the terms of section 13 of Resolution No. 2346, the employer is under the obligation to carry out specific occupational medical examinations in accordance with the risk factors to which the worker is exposed and according to the worker’s individual conditions, using as a minimum the parameters established and the biological exposure indices (BEIs) recommended by the American Conference of Governmental Industrial Hygienists (ACGIH). It also provides that in cases of exposure to carcinogenic agents, the criteria of the International Agency for Research in Cancer (IARC) shall be taken into account; in the case of exposure to agents causing pneumoconiosis, the criteria of the International Labour Organization shall be observed; and that in following up cases of diseases caused by biological agents, the criteria of the Center for Disease Prevention and Control (CDC) shall be taken into account. The section also provides that, where there are no criteria or parameters for the evaluation of risk factors or agents, and no biological exposure indices, the employer shall establish an evaluation protocol which shall include the identification of the risk factor or agent, vigilance criteria and the frequency of the medical assessment. Please indicate the intervals fixed by the national legislation, in accordance with this provision of the Convention, and continue providing information on any other regulations in this respect. Please also indicate the manner in which these medical examinations are organized in practice.
Part IV of the report form in relation with Articles 1(a) and (b), 5 and 9 of the Convention. Exposed workers. Preventive measures. Medical examinations. The Government has communicated a guide, drawn up in 2008, focusing on occupational safety and health with specific reference to benzene and its derivatives. Please provide information on the practical application of the guide, the manner in which it facilitates the application of the Convention, in particular, preventive measures in accordance with Article 5. Please provide statistics or estimates of the number of workers exposed to benzene under the terms of Article 1(a) and (b) of the Convention and on the manner in which the medical examinations envisaged in Article 9 of the Convention will be implemented.
The Committee notes the information provided in the Government’s report, according to which the National Occupational Health Plan 2003-2007 includes the specific objective of incorporating the "issue of health and safety in the workplace into the international negotiations and agreements to which the Government is a party, as well as into the adoption of international quality standards". A core element of this objective is the activity linked to the adoption of proposals to make viable those ILO Conventions ratified by the State. The Committee hopes that increased efforts will be made and extra measures introduced to give full effect, inter alia, to the provisions referred to below. Given that the Government’s report contains no new information beyond the comments already made, the Committee finds itself obliged, once again, to repeat the following:
1. Article 1(b) and Article 4, paragraph 1, of the Convention. In its previous comments, the Committee requested the Government to take appropriate measures to extend the scope of application of its national laws and regulations, in particular to amend Regulation No. 1102 of the Institute for the Supervision of Technical Regulations (ICONTEC) and resolution No. 024000 of 1979, to ensure that national laws and regulations cover all activities involving exposure of workers to benzene or products of benzene containing more than 1 per cent by volume of benzene, in conformity with Article 1 of the Convention. The Committee notes that the above-indicated legal texts remain effective without any modification and that, to the Committee’s knowledge, no further legal texts addressing the issue have been adopted. In this context, the Government further indicates that the dissemination of Convention No. 136 and the norms on occupational safety and health are the tools of which it made use to ensure workers’ protection against any detrimental effects on their health when exposed to benzene. In this regard, the Committee recalls that the Government must take appropriate measures to implement the requirements of the Convention in its national legislation. It therefore again requests the Government to take the necessary legislative measures to ensure that national laws and regulations cover all activities involving exposure of workers to benzene and products of which the content of benzene exceeds 1 per cent by volume. In addition, the Committee requests the Government to take legal action in order to determine the work processes in which the use of benzene and products of benzene is prohibited, in accordance with Article 4, paragraph 1, of the Convention.
2. Article 9, paragraph 1(b). With regard to periodic medical re-examinations, the Committee notes the Government’s indication that an occupational health programme in enterprises has been established through subprogrammes on preventive and occupational medicine, industrial hygiene and industrial safety. The final objective of the subprogramme on preventive medicine and occupational medicine is the promotion, prevention and control of workers’ health to protect them from risk factors at work, to place them in a workplace according to their physiological conditions and to maintain their working aptitude. To this effect one of the principal activities of the subprogramme is the carrying out of medical clinical examinations of workers, i.e. pre-assignment medical examinations, periodical medical examinations during employment and, when changing employment, return-to-work medical examinations, post-assignment medical examinations and medical examinations in other situations which could alter or represent a risk for the health of the workers concerned. The Committee, taking due note of the information, requests the Government to indicate whether the medical examinations to be carried out in the framework of the subprogramme on preventive and occupational medicine are obligatory and thus if the subprogramme has a binding effect which does not leave it to the discretion of the employer to carry out or to not carry out the medical examinations. If this is not the case, the Committee, reminding the Government that this provision of the Convention calls for periodic re-examination at intervals to be fixed by national laws or regulations, requests the Government to take the appropriate legislative measures in this respect. It further requests the Government to specify the periodicity of the medical examinations to be carried out according to the above subprogramme.
The Committee notes the information provided by the Government in response to its previous comments. Referring to its direct request, the Committee again draws the Government’s attention to the following points requiring additional measures.
2. Article 9, paragraph 1(b). With regard to periodic medical re-examinations, the Committee notes the Government’s indication that an occupational health programme in enterprises has been established through subprogrammes on preventive and occupational medicine, industrial hygiene and industrial safety. The final objective of the subprogramme on preventive medicine and occupational medicine is the promotion, prevention and control of workers’ health to protect them from risk factors at work, to place them in a workplace according to their physiological conditions and to maintain their working aptitude. To this effect one of the principal activities of the subprogramme is the carrying out of medical clinical examinations of workers, i.e. pre-assignment medical examinations, periodical medical examinations during employment and when changing employment, return-to-work medical examinations, post-assignment medical examinations and medical examinations in other situations which could alter or represent a risk for the health of the workers concerned. The Committee, taking due note of the information, requests the Government to indicate whether the medical examinations to be carried out in the framework of the subprogramme on preventive and occupational medicine are obligatory and thus if the subprogramme has a binding effect which does not leave it to the discretion of the employer to carry out or to not carry out the medical examinations. If this is not the case, the Committee, reminding the Government that this provision of the Convention calls for periodic re-examination at intervals to be fixed by national laws or regulations, requests the Government to take the appropriate legislative measures in this respect. It further requests the Government to specify the periodicity of the medical examinations to be carried out according to the above subprogramme.
The Committee notes that the Government's report contains no reply to its previous comments, in which it requested information on the following points:
1. Article 1(b) and Article 4, paragraph 1, of the Convention. (i) In its previous comments, the Committee noted the Government's indication that the protective measures prescribed by resolution No. 02400 of 1979 applied to workers employed in all activities involving exposure to the risk of benzolism. The Committee had further noted that the Regulation (No. 1102) of the Institute for the Supervision of Technical Regulations (ICONTEC) prohibits the use of pure benzene in the manufacture of paint thinners and products for stripping and authorizes the use of thinners only with a benzene content of a maximum of 1 per cent of weight. The Committee had recalled that this Article of the Convention prescribes that its provisions shall apply to all activities involving exposure to benzene and products containing benzene when the contents of benzene exceeds 1 per cent by volume. A difference in this measurement could result in some products containing more than 1 per cent by volume of benzene not being covered by the ICONTEC regulations, contrary to the scope of the Convention as defined in Article 1.
The Government is, therefore, requested to indicate the measures taken or envisaged to amend the ICONTEC Regulation to bring it into line with the definitional scope of Article 1 of the Convention to cover all products containing more than 1 per cent by volume of benzene. It further requests the Government to indicate the measures taken to amend resolution No. 02400 so that it clearly covers not only work processes involving benzene, but also work processes involving products containing 1 per cent by volume or made of benzene.
(ii) In its previous comments, the Committee had expressed the hope that the Government would be able to further prohibit the use of benzene and products containing benzene in certain other work processes. The Government is requested to continue to supply information on any progress made in prohibiting the use of benzene and products containing benzene in other work processes, in accordance with this Article of the Convention.
2. Article 9, paragraph 1(b). The Committee notes from the Government's report that it is the employer's responsibility to establish the nature and frequency of medical examinations which shall be provided to his or her employees. The Committee would recall that this provision of the Convention calls for periodic re-examinations, including biological tests and blood tests, to be provided for workers employed in work processes involving exposure to benzene or products containing benzene, at intervals fixed by national laws or regulations. Periodic examinations, involving biological and blood tests, are necessary for an adequate determination of the effects of the exposure to benzene upon a worker's health to be made. The Government is requested to indicate the manner in which it is ensured that periodic re-examinations are provided to workers exposed to benzene at appropriate intervals to be determined by the competent authority and that such examinations shall include biological and blood tests.
[The Government is asked to report in detail in 2000.]
The Committee notes the information provided by the Government in its latest report and requests the Government to provide further clarification on the following points:
1. Article 1(b) and Article 4, paragraph 1, of the Convention: (i) In its previous comments, the Committee noted the Government's indication that the protective measures prescribed by Resolution No. 02400 of 1979 applied to workers employed in all activities involving exposure to the risk of benzolism. The Committee had further noted that Regulation (No. 1102) of the Institute for the Supervision of Technical Regulations (ICONTEC) prohibits the use of pure benzene in the manufacture of paint thinners and products for stripping and authorises the use of thinners only with a benzene content of a maximum of 1 per cent by weight. The Committee had recalled that this Article of the Convention prescribes that its provisions shall apply to all activities involving exposure to benzene and products containing benzene when the contents of benzene exceeds 1 per cent by volume. A difference in this measurement could result in some products containing more than 1 per cent by volume of benzene not being covered by the ICONTEC regulations, contrary to the scope of the Convention as defined in Article 1.
The Committee takes note of the information supplied by the Government in reply to its previous comments and has examined the regulations enclosed with the report.
Article 1(b) of the Convention, in conjunction with Article 4. The Committee takes note of the Government's statement to the effect that the protection measures prescribed by Resolution No. 02400 of 1979 apply to workers employed in all activities involving exposure to the risk of benzolism. It also notes that the Colombian Petroleum Enterprise (ECOPETROL), which is responsible for the production of hydrocarbons and which regulates the use of a number of chemical products, has stopped the sale of benzene since 1983 to private enterprises manufacturing glues and diluents.
The Committee also notes with interest that the Regulations (No. 1102) of the Institute for the Supervision of Technical Regulations (ICONTEC) prohibit the use of pure benzene in the manufacture of paint thinners and products for stripping, and authorise the use only of products with a benzene content of 1 per cent by weight.
However, the Committee recalls that the Convention prescribes that the benzene content of products should be determined in terms of volume and not of weight. Since this difference could to some extent restrict the application of the Convention, the Committee hopes that the Government will be able to examine the question and take appropriate steps to bring the above regulations into full conformity with the terms of the Convention on this point.
Furthermore, the Committee hopes that it will be possible to prohibit the use of benzene and products containing benzene in other work processes, and that the Government will supply information on any progress made in this connection in its next report.
Article 9, paragraph 1(b). The Committee takes note of the Government's statement to the effect that benzene is not currently used in the country except by the above-mentioned ECOPETROL enterprise whose workers regularly undergo the necessary medical examinations. The Committee requests the Government to state the frequency and scope of these examinations, and to state whether they include biological tests including a blood test, as prescribed by the Convention. The Government is also asked to state which regulations govern such examinations in the enterprise in question.