Cabinet of Ministers Regulations No. 596 in 2015 (October 20. No 55 23) amendments to the Cabinet of Ministers of 29 April 2003, regulations No. 235 "mandatory drinking water safety and quality requirements, monitoring and control procedures," Issued under the food surveillance likuma4. the second and fourth paragraphs of article 19 and the fifth

1. make the Cabinet of Ministers of 29 April 2003, regulations No. 235 "mandatory drinking water safety and quality requirements, monitoring and control arrangements" (Latvian journal, 2003, nr. 81.; 2005, 197. No; 2006, nr. 4; 2007, 54. no; 2008, 79. no; 2009, 121., 157. no; 2010, no. 101; 2012, 66. No.) the following amendments: 1. to make the first sentence of paragraph 3 the following: "3. the drinking water microbiological, chemical and physical substances, radioactive substances, including the monitoring of indicators (hereinafter also – monitoring) implemented, regularly checking drinking water laboratory, to obtain information on the compliance with these rules the following safety and quality requirements as well as changes in the drinking water." 1.2. to supplement the rules with 3.2, 3.3, 3.4, 3.5, 3.6, 3.7, 3.8 and 3.9 points as follows: "3.2 indicators monitoring radioactive substances: 3.2 1. exercise of State limited liability company" Latvian environment, geology and Meteorology Centre "(hereinafter referred to as the Latvian environment, geology and meteorology Center) according to the environment monitoring program developed in accordance with the environmental protection requirements of the law, ensuring that the rules referred to in annex 1.1 of radioactive substances in the waters of the monitoring indicators; 3.2 2. Environmental monitoring programme the Latvian environment, geology and Meteorology Centre can not be implemented if there is sufficient information on that specific geographical area is not possible the concentration of radioactive substances in the drinking water that could exceed 1.1 these regulations referred to in the annex to the pointer value; 3.2 3. ensure the water supplier or trader in the following cases: 3.2 3.1 launched with new water supply source and the pointer all radioactive substances control referred to in 1.1 of these rules; 3.2 3.2. once a year the water extraction site – radon control, if commercial drinking water bottles or other containers. 3.3 If the Latvian environment, geology and Meteorology Centre, through the monitoring of indicators of radioactive substances, radioactive substances has established scores of non-compliance with requirements of this regulation, including by the drinking water treatment to reduce the levels of radionuclides, future monitoring program water supplier or merchant with the health inspection according to paragraph 28 of these rules and implement it independently. 3.4 radioactive substances results of monitoring of indicators: 3.4 1. Environment, geology and Meteorology Centre sends health inspection; 3.4. If they get these 2 rules in the case referred to in point 3.3, the water supplier or merchant electronically health inspectorate and the Latvian environment, geology and meteorology Center, which included indicators of radioactive substances, the monitoring results. 3.5 if exceeded 1.1 these rules in the annex referred to in paragraph 1, the value of radioactive substances in potable water, health inspections, in cooperation with the State Environmental Department of radiation safety Centre to assess whether radioactive substances in drinking water does not pose a threat to human health, which you will need to do as well as, if necessary, organise the remedial action to improve water quality and ensure a level of quality corresponding to human health protection requirements of radiation safety point of view. Corrective action taken without a more detailed evaluation, if radon concentrations exceeding 1000 Bq/l 3.6 control frequency of radioactive substances in the drinking water supplied by tankers, temporarily fix health inspections, in coordination with the national environmental service of the radiation safety Centre. 3.7 If radon during the year value is less than required by this provision of the annex 1, paragraph 1.1, pointer monitoring radioactive substances below may not take, notifying the health inspection. If it is known that the water supply is likely to exceed the indicative dose (ID) 0.1 mSv per year or tritium indicator value 100 Bq/l, the water supplier or merchant also implemented this indicator monitoring radioactive substances according to the specified water sampling and analysis for the minimum frequency. 3.8 If the sample contains radioactive substances exceeded the value of indicators, health inspections, in coordination with the national environmental services center of radiation safety, define the future frequency of sampling, to ensure that the measured size represents the average activity concentration during the entire year. These measurements provide a water supplier or merchant. 3.9 If you have drinking water treatment reduces the levels of radionuclides in away, health inspections, in coordination with the national environmental services center of radiation safety, define the future frequency of monitoring to demonstrate that the effectiveness of that treatment continues. These measurements provide a water supplier or merchant. "; 1.3. make paragraph 4 by the following: "4. The rules referred to in paragraph 3, the obligation of economic operators to arrange routine monitoring and auditmonitoring do not apply to retail establishments: 4.1 do not produce food and does not deal with its preparation or processing as a result of which the food come in direct contact with drinking water; 4.2. products of plant origin, primary production company and drinking water do not use the product in the processing that results in food come in direct contact with drinking water; 4.3 drinking water using only hot drinks such as coffee, tea, brewing and it takes from public water supply systems. "; 1.4. to supplement the provisions under section 19.3 as follows: "19.3. drinking water does not meet the provisions of annex 1, paragraph 1.1 of the radioactive substances pointer value. Certain radon parameter value must not exceed 1000 Bq/l. '; 1.5. to supplement the point after the number "19.2 19.1." with name and number "and 19.3."; 1.6. to complement the 19.4 points to the third sentence by the following: "If the provision exceeded 1.1 radioactive substances listed in the annex, indicators of drinking water, health inspections, in cooperation with the national environmental services center of radiation safety of radioactive substances assessed the risks to human health."; 1.7. replace paragraph 19.5 of the name and the number "and 19.2" with numbers and the word "19.2 and 19.3."; 1.8. to replace the words "in paragraph 20.1 of the food and veterinary service" with the words "food safety, animal health and Environmental Research Institute" BIOR "; 1.9. to complement the 29 behind the words "health inspection" by the words "and the Latvian environment, geology and Meteorology Centre"; 1.10. supplement with 32.4. subparagraph by the following: "32.4. radioactive substances is the implementation of the monitoring indicators of Latvia environment, geology and Meteorology Centre, it shall inform the health inspection, food and veterinary service and the national environmental services center of radiation security."; 1.11. to supplement the rules by 24.9 points as follows: "If the radioactive substances found 24.9 indicators of non-compliance with that rule 1 of the annex 1.1 point to these values, the national environmental radiation safety service centre shall inform the health inspection and food and veterinary service of the risks to human health and further action to ensure the protection of persons against ionizing radiation. Health inspection and food and veterinary service shall ensure that the population is notified of the threat and the corrective actions taken, as well as all the precautionary measures to be followed in order to protect people from ionizing radiation. " 1.12. to supplement the provisions and paragraph 45.46 the following: "45. If by 2015. on 28 November that provision of annex 2, paragraph 2 in the water supply zones have been testing radioactive substances in potable water and test results are available, the water supplier or merchant shall submit the results of the health inspections and environmental radiation safety service center. 46. the health inspection of the information in its possession about the water suppliers by 2016 January 1 sent to the Latvian environment, geology and Meteorology Centre. Latvian environment, geology and Meteorology Centre, considering the location of the supplier of water in the territory of Latvia until 2016 1 March to prepare an index of radioactive substances monitoring programme, subject to this provision in paragraph 3.2 and 3.3 and 1.1 in the annex, and this program include environmental monitoring programme. "; 1.13. make informative reference to European Union directives as follows: "Informative reference to European Union directives, the regulations include provisions resulting from: 1) Council of 3 November 1998, Directive 98/83/EC on the quality of drinking water; 2) Council of 22 October 2013 Directive 2013/51/EURATOM, laying down public health requirements for radioactive substances in the drinking water. " 1.14. deletion of annex 1 of 3.19. section; 1.15. supplement with 1.1 the following annexes: Annex 1.1 "Cabinet of 29 April 2003 regulations no 235 indicators monitoring radioactive substances 1. Identifiable characteristics of the radioactive substances in potable water

Nr. p. k. Pointer pointer value1 notes 1.1. Radon 100 Bq/l 1.2. tritium 100 Bq/l If tritium concentration higher than the value of the indicator, other artificial radionuclide analysis 1.3. indicative dose (ID) 2 mSv/year 0.10 indicative dose (ID) not exceeding 0.10 mSv in a year, if: 1) total alpha radiation sources in the specific radioactivity (total Alpha activity) does not exceed 0.1 Bq/l; 2) total beta radiation sources in the specific radioactivity (total beta activity) does not exceed 1 Bq/l notes. 1 the indicator value is the value of the radioactive substances in the drinking water. 2 indicative dose (ID) is the committed effective dose within one year all the natural and artificial radionuclides originating as a result of the admission, the presence of which is found in the drinking water supplied, other than tritium, potassium -40, radon and radon decay products with a short half-life. 2. minimum water frequencies of sampling and analysis for the detection of radioactive substances No. p. k. Annual average day delivered or packed in water supply zonā, skaitsc b (m3) of the sample, (d), the egadi in 2.1. water that gets into the drinking water tap and full tanks or supply food businesses in 2.1.1. up to 100 1 2.1.2. 101-1000 1 2.1.3. 1001 – 10 000 1 + 1 for every 3300 m3/d in proportion to their share in the total volume of 2.1.4. 10 001 to 100 000 3 + 1 of every 10 000 m3/d in proportion to their share in the total volume in 2.1.5. more than 100 000 10 + 1 out of every 25 000 m3/d in proportion to their share in the total volume of 2.2. bottles or other containers packed drinking water intended for marketing 1 notes. (a) the delivery area is a geographically defined area in which drinking water supply from one or more of the resources and quality of drinking water is considered to be approximately similar. (b) the Amount calculated as the average size of the calendar year. (c) as far as possible, the number of samples should be distributed equally with respect to time and place. (d) the number of samples specified years refer to radon control indicators. (e) the samples are taken regularly, the results of the analyses to characterize the average annual drinking water in certain indicators of radioactive substances. 3. Radioactive Substances index models: 3.1 indicative dose (ID) pointer value: 3.1.1. indicative dose (ID) used for the evaluation of total Alpha activity and the total beta activity determination of values. The total value of the activity but can be replaced with the remaining beta radioactivity value after being deprived of K-40 value of radioactivity; 3.1.2. If the total alpha source specific activity does not exceed 0.1 Bq/l and the total beta radiation sources in the specific radioactivity less than 1 Bq/l, the indicative dose (ID) is less than the index value 0.1 mSv per year. In this case, you do not need more radiological studies, if one is not aware that the water supply is in the radionuclide which is likely to exceed the indicative dose (ID) 0.1 mSv in a year; 3.1.3. where total alpha radiation sources in the specific radioactivity exceeding 0.1 Bq/l or the total beta radiation sources in the specific radioactivity exceeding 1 Bq/l, carry out a particular radionuclide analysis. Radionuclides measured determines the health inspectorate, in collaboration with the national environmental services center of radiation safety, taking into account the relevant information on potential sources of radioactivity; 3.1.4. the total tritium alpha source specific radioactivity and total but the specific source of the radioactivity is measured in the same sample. 3.2. the indicative calculation of doses (ID): 3.2.1 the indicative dose (ID) is calculated from the measured radionuclide concentrations and the legislation on protection against ionizing radiation in certain expected effective dose rate (Sv/Bq) population if radionuclides are taken with food or water, assuming a water consumption year adult person is 730 litres. Indicative dose (ID) is less than the index value 0.1 mSv and further investigation is not necessary if the following relationship: where: Ci (nov)-radionuclide i observed concentrations; CI (atv)-derived concentration of radionuclide i, set out in annex 1.1 of these rules in point 3.2.2; n – number of radionuclides found; 3.2.2. the concentration of radioactivity derived No drinking water. p. k. The origin of the radionuclide concentration in the derived Radionuklīds1 3.2.2.1. the natural U-2382 3.0 Bq/l 3.2.2.2. the natural U-2342 2.8 Bq/l 3.2.2.3. natural Ra-226 Bq/l 0.5 3.2.2.4. natural Ra-228 Bq/l 0.2 3.2.2.5. natural Pb-210 0.2 Bq/l 3.2.2.6. the Po-210 natural Bq/l 0.1 3.2.2.7. artificial C-14 240 Bq/l 3.2.2.8. artificial 4.9 Bq/l Sr-90 3.2.2.9. artificial Pu-239/240 Pu-0.6 Bq/l 3.2.2.10. artificial Am-241 0.7 Bq/l 3.2.2.11. artificial Bq/l Co-60 40 3.2.2.12. artificial 7.2 Bq/l Cs-134 3.2.2.13. artificial Bq/l Cs-137 11 3.2.2.14. artificial I-131 6.2 Bq/l 3.3. performance characteristics and the methods of analysis for the No. p. k. Parameters and radionuclides sensitivity robeža3, 4 Note 3.3.1. 10 Bq/l for tritium tritium detection limit is 10% of the value of the parameter to 100 Bq/l 3.3.2. Radon Radon 10 Bq/l detection limit is 10% of the value of the parameter to 100 Bq/l 3.3.3. total alpha radiation sources in the specific radioactivity 0.04 Bq/l total alpha source specific radioactivity sensitivity limit is 40% of the value of the parameter Bq/l 0.1 3.3.4. total beta radiation sources in the specific radioactivity 0.4 Bq/l total beta radiation source specific radioactivity sensitivity limit is 40% of the value of the parameter Bq/l 1.0 3.3.5. U-238 Bq/l 0.02 3.3.6. U-234 Bq/l 0.02 3.3.7. 0.04 Bq/l RA-226 3.3.8. RA-228 Bq/l 0.02 Sensitivity limit applied only to the initial indicative dose (ID) control the new water source. If the initial check reveals that it is unlikely that Ra-228 will exceed 20% of the derived limit of concentration, sensitivity can be increased to 0.08 Bq/l for Ra-228 regular radionuclide measurements, specific to the assay needed 3.3.9. Pb-210 Bq/l 0.02 3.3.10. Po-210 Bq/l 0.01 3.3.11. C-14 20 Bq/l 3.3.12. 0.4 Bq/l SR-90 3.3.13. Pu-239/240 0.04 Bq/l Pu-3.3.14. Am-241 0.06 Bq/l 3.3.15. Bq/l Co-60 0.5 3.3.16. CS-134 0.5 Bq/l 3.3.17. Bq/l Cs-137 0.5 3.3.18. I-131 0.5 Bq/l notes. Table 1 includes the most frequently occurring natural and artificial radionuclides in the values that are the exact values, calculated to 0.1 mSv dose, assuming a water consumption year adult person is 730 litres, as well as with the legislation on protection against ionizing radiation in certain expected effective dose rate (Sv/Bq) population if radionuclides are taken with food or water. Other radionuclide derived concentration can be calculated in the same way. 2 table contains only the radioactivity of uranium, but not its chemical toxicity. 3 Sensitivity limit calculated in accordance with the standard ISO 11929-the typical limit of determination (decision threshold, limit of detection and determination of confidence interval) for the measurement of ionizing radiation – the basic principles and main fields of application with types 1 and 2, the probability of error per 0.05. 4 measurement uncertainty calculation and reported as the full standard uncertainty or as extended standard uncertainty with the expansion coefficient of 1.96 in accordance with ISO Guide for the expression of uncertainty in measurement. " 2. the rules shall enter into force on 28 November 2015. The Prime Minister is the Rapidity of the farming Minister Newsletters John of Dūklav