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Content page

Preface 2 1 Main sources of atmospheric air pollution 4 2 The state of atmospheric air quality 4 3 Surface water quality status 14 4 State of precipitation quality for March 2021 16 5 Состояние загрязнения почвы тяжелыми металлами 16 6 Radiation situation 17 Appendix 1 17 Appendix 2 18 Appendix 3 20

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Preface The information bulletin was prepared based on the results of the work carried out by the specialized departments of the RSE "Kazhydromet" to monitor the state of the environment on the observation network of the national hydrometeorological service. The bulletin is intended to inform state bodies, the public and the population about the state of the environment in the territory of the and is necessary for further evaluation of the effectiveness of measures in the field of environmental protection of the Republic of , taking into account the trend of changes in the level of pollution.

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Assessment of atmospheric air quality in Akmola region Main sources of atmospheric air pollution In the Akmola region, there are 19068 enterprises that carry out emissions to the environment. The actual total emissions of pollutants from stationary sources are 84.5 thousand tons. The number of registered motor vehicles is 174922 thousand units, mainly passenger cars. 1. Monitoring of atmospheric air quality in Observations of the state of atmospheric air on the territory of the cityKokshetau will be conducted at 2 automatic observation posts. In general, 6 indicators are determined for the city: 1) carbon monoxide; 2) suspended particles PM-2.5; 3) suspended particles PM-10; 4) sulfur dioxide; 5) nitrogen dioxide;6) nitrogen oxide; Table 1 provides information on the locations of observation posts and the list of indicators to be determined at each post. Table 1 Location of observation posts and detectable impurities Sampling Post address Detectable impurities PNZ No. 2, Kokshetau , 46B Vernadsky Street (territory of non- school No. 12) carbon monoxide, suspended particles PM- continuous 2.5, suspended particles PM-10, sulfur mode-every PNZ No. 1 g.Kokshetau dioxide, nitrogen dioxide, nitrogen oxide 20 minutes mkr. Vasilkovsky 17 (territory of secondary school No. 17)

Results of monitoring the quality of atmospheric air in Kokshetau for April 2021. According to the observation network, the level of atmospheric air pollution in Kokshetau was estimated as low, it was determined by SI values equal to 0.9 (low level) and NP=0% (low level), The average monthly and maximum single concentration of pollutants did not exceed the MPC. Cases of extremely high and high pollution (VZ and EVZ): VZ (more than 10 MPC) and EVZ (more than 50 MPC) were not marked. The actual values, as well as the frequency of exceeding the quality standards and the number of cases of exceeding are shown in Table 2.

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Table 2 Characteristics of atmospheric air pollution Number of Average Maximum single cases of concentration concentration НП exceeding the (Qmon.) (Qm) limit MPCm. r. Impurity The The multiplicity multiplici НП,% >5 >10 of M мг/м3 мг/м3 ty of the MP MP exceeding PC excess C C the MPCm. r MPC.with AKMOLA REGION Kokshetau city Suspended particles PM-2.5 0,0149 0,43 0,1410 0,88 0 Suspended particles PM-10 0,0218 0,36 0,2343 0,78 0 Sulfur dioxide 0,0024 0,05 0,0661 0,13 0 Carbon monoxide 0,1330 0,04 1,6130 0,32 0 Nitrogen dioxide 0,0344 0,86 0,0995 0,50 0 Nitric oxide 0,0064 0,11 0,1484 0,37 0 Conclusions: Over the past five years, the level of atmospheric air pollution in April has changed as follows:

As you can see from the graph, in the month of April in recent years, pollution has an increased level, with the exception of 2021, where the level is low. No exceedances of the maximum-one-time and average daily MPC were observed. 2.1 Monitoring of atmospheric air quality in 5

Observations of the state of atmospheric air in the territory of Stepnogorsk are carried out at 1 automatic observation post. In general, 6 indicators are determined for the city: 1) carbon monoxide; 2) suspended particles PM-2.5; 3) suspended particles PM-10; 4) sulfur dioxide; 5) nitrogen dioxide;6) nitrogen oxide; Table 3 provides information on the locations of observation posts and the list of indicators to be determined at each post. Table 3 Sampling Post address Detectable impurities non-continuous PNZ No. 1 Stepnogorsk carbon monoxide, suspended particles PM- mode-every 20 microdistrict No. 7, building 2.5, suspended particles PM-10, sulfur minutes 5 dioxide, nitrogen dioxide, nitrogen oxide Results of monitoring of atmospheric air quality in Stepnogorsk for April 2021. According to the stationary observation network, the atmospheric air of the city of Stepnogorsk was characterized as low, it was determined by SI values equal to 0.9 (low level) and NP=0% (low level). The average monthly and maximum single concentration of pollutants did not exceed the MPC. Cases of extremely high and high pollution (VZ and EVZ):VZ (more than 10 MPC) and EVZ (more than 50 MPC) were not marked. The actual values, as well as the frequency of exceeding the quality standards and the number of cases of exceeding are shown in

Table 4. Characteristics of atmospheric air pollution Number of cases Average concentration Maximum single NP of exceeding the limit (Qmon.) concentration (Qm) MPCm. r. The Impurity The multiplicity multiplicity NP, >5 >10 мг/м3 of exceeding мг/м3 >MPC of exceeding % MPC MPC the the MPC.with MPC.with Stepnogorsk city Suspended particles PM-2.5 0,0219 0,37 0,1548 0,52 0 Suspended particles PM-10 0,0097 0,28 0,1297 0,81 0 Sulfur dioxide 0,0058 0,12 0,0399 0,08 0 Carbon monoxide 0,0000 0,00 0,0000 0,00 0 Nitrogen dioxide 0,0370 0,93 0,1755 0,88 0 Nitric oxide 0,0025 0,04 0,0685 0,17 0

Conclusions: Over the past five years, the level of atmospheric air pollution in April has changed as follows:

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Сравнение СИ и НП за апрель 2017-2021гг. г.Степногорск

1 1 1 0.9 0.9 0.8 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 0 0 0 0 0 0 2017 2018 2019 2020 2021

СИ НП

As you can see from the graph, in the month of April for the last 5 years, the level of pollution is low. No exceedances of the maximum-one-time and average daily MPC were observed. 2.2 Monitoring of atmospheric air quality in Observations of the state of atmospheric air in the territory of the city of Atbasar are carried out at 1 automatic observation post. In general, 6 indicators are determined for the city: 1) carbon monoxide; 2) suspended particles PM-2.5; 3) suspended particles PM-10; 4) sulfur dioxide; 5) nitrogen dioxide;6) nitrogen oxide; Table 5 provides information on the locations of observation posts and the list of indicators to be determined at each post. Table 5 Sampling Post address Detectable impurities non- NZ No. 1 Atbasar carbon monoxide, suspended particles continuous microdistrict No. 1, PM-2.5, suspended particles PM-10, mode-every building 3 sulfur dioxide, nitrogen dioxide, 20 minutes nitrogen oxide

Results of monitoring of atmospheric air quality in Atbasar for April 2021. According to the data of the stationary observation network, the atmospheric air of the city of Atbasar was characterized as low, it was determined by SI values equal to 0.4 (low level) and NP=0% (low level).

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The average monthly and maximum single concentration of pollutants did not exceed the MPC.

Cases of extremely high and high pollution (VZ and EVZ):VZ (more than 10 MPC) and EVZ (more than 50 MPC) were not marked. The actual values, as well as the frequency of exceeding the quality standards and the number of cases of exceeding are shown in Table 6. Table 6 Characteristics of atmospheric air pollution

Number of cases of Average concentration Maximum single exceeding the limit

(Qmon.) concentration (Qm MPCm. r. НП

Impurity The multiplicity The of multiplicity NP, >5 >10 mg / m3 mg / m3 >MPC exceeding of the excess % MPC MPC the MPCm. r MPC.with

Atbasar city

Suspended particles PM-2.5 0,0050 0,14 0,0050 0,03 0

Suspended particles PM-10 0,0050 0,08 0,0050 0,02 0

Sulfur dioxide 0,0072 0,14 0,0455 0,09 0

Carbon monoxide 0,2785 0,09 1,4311 0,29 0

Nitrogen dioxide 0,0331 0,83 0,0714 0,36 0

Nitric oxide 0,0018 0,03 0,0234 0,06 0 Conclusions: For 2019-2021, the level of atmospheric air pollution in April changed as follows:

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Сравнение СИ и НП за апрель 2017-2021гг. Атбасар

6 6

5

4 3 3

2 0.6 1 0.4 0 0 0 2019 2020 2021

СИ НП

As can be seen from the graph, in the month of April for 2019-2021, the level of pollution has a low level, with the exception of 2019, where the level is increased. No exceedances of the maximum-one-time and average daily MPC were observed. 2.3 Monitoring of the atmospheric air quality of SKFM Borovoe Observations of the state of atmospheric air in the territory of the NCFM Borovo are carried out at 1 automatic observation post. In general, 9 indicators are determined for the city: 1) carbon monoxide; 2) suspended particles PM-2.5; 3) suspended particles PM-10; 4) sulfur dioxide; 5) nitrogen dioxide; 6) nitrogen oxide;7) ozone (ground); 8) hydrogen sulfide;9)ammonia; Table 7 provides information on the locations of observation posts and the list of indicators to be determined at each post. Table 7 Sampling Post address Detectable impurities

non-continuous non-continuous mode-every 20 suspended particles PM-2.5, mode-every 20 minutes suspended particles PM-10, sulfur dioxide, carbon monoxide, minutes nitrogen dioxide and oxide, ozone (ground), hydrogen sulfide, ammonia

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Results of monitoring the atmospheric air quality of the Borovoez SCFM April 2021. According to the data of the stationary observation network, the level of atmospheric air pollution of the Borovoe SCFM was characterized as low, it was determined by SI values equal to 1.4 (low level) and NP=0% (low level) The average concentration of suspended particles, PM 2.5, was 1.2 MPCs.c, the concentrations of the remaining pollutants did not exceed the MPC The maximum one-time concentration of suspended particles PM-2.5 was 1.4 MPCm. p, the concentrations of other pollutants did not exceed the MPC Cases of extremely high and high pollution (VZ and EVZ):VZ (more than 10 MPC) and EVZ (more than 50 MPC) were not marked. The actual values, as well as the frequency of exceeding the quality standards and the number of cases of exceeding are shown in Table 8.

Table 8

Characteristics of atmospheric air pollution

Number of cases Average concentration Maximum single NP of exceeding the limit (Qmon.) concentration (Qm) MPCm. r. Impurity The The multiplicity multiplicity of NP, > >5 >10 mg / m3 mg / m3 of exceeding the excess % MPC MPC MPC the MPC.with MPCm. r СКФМ Боровое Suspended particles PM-2.5 0,0426 1,220 0,2168 1,36 0 20 Suspended particles PM-10 0,0432 0,720 0,2181 0,73 0 Sulfur dioxide 0,0169 0,340 0,0359 0,07 0 Carbon monoxide 0,1366 0,050 2,5882 0,52 0 Nitrogen dioxide 0,0183 0,460 0,0463 0,23 0 Nitric oxide 0,0002 0,000 0,2592 0,65 0 Ozone(ground level) 0,0114 0,380 0,0867 0,54 0 Hydrogen sulfide 0,0005 0,0013 0,16 0 Ammonia 0,0121 0,300 0,0235 0,12 0 Carbon dioxide 568,6618 745,8114 0

Conclusions:

Over the past five years, the level of atmospheric air pollution in April has changed as follows:

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Сравнение СИ и НП за апрель 2017-2021гг. СКФМ Боровое

1.4 1.4

1.2 1 1 1 1 0.9

0.8

0.6

0.4

0.2 0 0 0 0 0 0 2017 2018 2019 2020 2021

СИ НП

As you can see from the graph, in the month of April in recent years, the level of pollution has a low level, with the exception of 2021, where the level is increased. The excess of the maximum single MPC was observed for the suspended particles PM-2.5.Excess of the standards of the average daily concentrations were observed for suspended particles PM-2.5. 2.4 Monitoring of the quality of the atmospheric air of the SCHBKZ Observations of the state of atmospheric air on the territory of the SHCHBKZ are carried out at 2 automatic observation posts. In general, 6 indicators are defined: 1) carbon monoxide; 2) suspended particles PM-2.5; 3) suspended particles PM-10; 4) sulfur dioxide; 5) nitrogen dioxide;6) nitrogen oxide; Table 9 provides information on the locations of observation posts and the list of indicators to be determined at each post. Table 9

Sampling Post address Detectable impurities non-continuous PNZ No. 2, Burabay village, mode-every 20 25 Kenesary Street (terr. carbon monoxide, suspended particles PM- 2.5, suspended particles PM-10, sulfur minutes schools named after S. Seifullin) dioxide, nitrogen dioxide, nitrogen oxide PNZ No. 5p. Burabay, Shosseynaya str., No. 171

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The results of monitoring the quality of atmospheric air in the SHBKZZA April 2021. According to the data of the stationary observation network, the level of atmospheric air pollution in the territory of the Shchuchinsko-Borovskaya resort zone was characterized as low, it was determined by SI values equal to 1.2 (low level) and NP=0% (low level). The average monthly and maximum single concentration of pollutants did not exceed the MPC. Cases of extremely high and high pollution (VZ and EVZ):VZ (more than 10 MPC) and EVZ (more than 50 MPC) were not marked. The actual values, as well as the frequency of exceeding the quality standards and the number of cases of exceeding are shown in Table 10. Table 10 Characteristics of atmospheric air pollution

Number of cases Average concentration Maximum single NP of exceeding the limit (Qmon.) concentration (Qm) MPCm. r. Impurity The The multiplicity multiplicity NP, >5 >10 mg / m3 of exceeding mg / m3 of the >MPC % MPC MPC the excessПДКм MPC.with .р

Shchuchinsko-Borovskaya resort area (SHCHBKZ) Suspended particles PM-2.5 0,0260 0,74 0,1923 1,20 0 11

Suspended particles PM-10 0,0269 0,45 0,2861 0,95 0

Sulfur dioxide 0,0087 0,17 0,1112 0,22 0

Carbon monoxide 0,2659 0,09 2,9405 0,59 0

Nitrogen dioxide 0,0068 0,17 0,1654 0,83 0

Nitric oxide 0,0014 0,02 0,0048 0,01 0 Conclusions: Over the past five years, the level of atmospheric air pollution in April has changed as follows:

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Сравнение СИ и НП за апрель 2017-2021гг. ЩБК3

1.2 1.2 1 1 1 1 1

0.8

0.6

0.4

0.2 0 0 0 0 0 0 2017 2018 2019 2020 2021

СИ НП

As you can see from the graph, in the month of April in recent years, the level of pollution has a low level, with the exception of 2021, where the level is increased. Exceeding the maximum single MPC was observed for suspended particles PM-2.5 Exceeding the standards of average daily concentrations were not observed 2.5 Monitoring of atmospheric air quality in Aksu Observations of the state of atmospheric air in the territory of the Aksu settlement are carried out at 1 automatic observation post. In general, 6 indicators are determined for the city: 1) carbon monoxide; 2) suspended particles PM-2.5; 3) suspended particles PM-10; 4) sulfur dioxide; 5) nitrogen dioxide;6) nitrogen oxide; Table 11 provides information on the locations of observation posts and the list of indicators to be determined at each post.

Table 11 Sampling Post address Detectable impurities non-continuous PNZ No. 1, Aksu village, 26 carbon monoxide, suspended particles PM- mode-every 20 Nabieva street 2.5, suspended particles PM-10, sulfur dioxide, nitrogen dioxide, nitrogen oxide minutes

According to the data of the stationary observation network, the level of atmospheric air pollution in Aksu was characterized as low, it was determined by SI values equal to 0.9 (low level) and NP=0% (low level) The average concentration of suspended particles PM 2.5, was 2.7 MPCs. s, suspended particles PM 10 1.6 MPCs.c, the concentrations of the remaining pollutants did not exceed the MPC (table ) The maximum single concentrations of pollutants did not exceed the MPC (Table 12) Cases of extremely high and high pollution (VZ and EVZ): VZ(more than 10 MPC) and EVZ (more than 50 MPC) were not marked.

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The actual values, as well as the frequency of exceeding the quality standards and the number of cases of exceeding are shown in Table 12. Table 12 Characteristics of atmospheric air pollution Number of cases Average concentration Maximum single of exceeding the limit (Qmon.) concentration (Qm) NP MPCm. r. The The Impurity multiplicity multiplicity > NP >5 mg / m3 of exceeding mg / m3 of the >5MPC 10 % MPC the excessПДКм MPC MPC.with .р p. Aksu Suspended particles PM-2.5 0,0936 2,67 0,1492 0,93 0 Suspended particles PM-10 0,0950 1,58 0,2604 0,87 0 Sulfur dioxide 0,0032 0,06 0,0171 0,03 0 Carbon monoxide 0,2639 0,09 2,8419 0,57 0 Nitrogen dioxide 0,0116 0,29 0,0639 0,32 0 Nitric oxide 0,0008 0,01 0,0224 0,06 0 On a quarterly basis, expedition visits are conducted to monitor atmospheric air pollution in three localities – the city of , the village of Zerenda and the village of . Observations of air pollution in the Akmola region were carried out in the village of Zhaksy at 2 points (1 point-the area of the Zhaksyn school No. 2, 2 point – the area of the Zhaksyn elevator). Concentrations of suspended particles (dust), sulfur dioxide, carbon monoxide, nitrogen dioxide, nitrogen oxide, ammonia, hydrocarbons, and formaldehyde were measured. Results of expedition measurements of atmospheric air quality.

G. Zhaksy Detectable impurities Point #1 Point #1 mg / m3 MPC mg / m3 MPC Nitrogen dioxide 0,003 0,02 0,01 0,05 Nitric oxide 0,003 0,008 0,004 0,01 Ammonia 0,02 0,1 0,01 0,05 Sulfur dioxide 0,008 0,02 0,008 0,02 Suspended particles (dust) 0,06 0,1 0,07 0,1 Hydrocarbons 15,6 17,3 Formaldehyde 0,003 0,05 0,0004 0,007 Carbon monoxide 2,08 0,4 1,2 0,2

The maximum single concentrations of pollutants were within the permissible limits.

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3. Monitoring of surface water quality in the territory of Akmola region Observations of surface water quality in the Akmola region were carried out on 31 sections of 11 water bodies (the Yessil, Akbulak, Sarybulak, Bettybulak, Zhabay, Silety, Aksu, Kylshykty, Shagalaly, Nura rivers and the Nura-Yessil Canal). When studying surface waters, 33 physical and chemical quality indicators are determined in the water samples: temperature, suspended solids, transparency, hydrogen index (pH), dissolved oxygen, BPK5, COD, major salt ions, biogenic elements, organic substances (petroleum products, phenols), heavy metals. Results of monitoring of surface water quality in the territory of Akmola region The main normative document for assessing the water quality of water bodies of the Republic of Kazakhstan is the "Unified system of classification of water quality in water Bodies" (hereinafter – the Unified Classification). According to the Unified Classification, water quality is assessed as follows: Table 3 Water quality class Name of the Concentr April April Parameters ed.ed. water body ation 2020 г. 2021 г. Total mg/dm Еsil river not rated (>class 5) not rated (>class 4) 1,142 phosphorus 3 Calcium mg/dm 429 3 not rated (>class Magnesium mg/dm Akbulak river not rated (>class 5) 116,75 5) 3 Chlorides mg/dm 818,8 3 Magnesium mg/dm 112,533 3 Mineralization mg/dm 2401,83 not rated (>class 3 Sarybulak river not rated (>class 5) 5) Ammonium mg/dm 2,683 ions 3 Chlorides mg/dm 918,667 3 Suspended mg/dm Bettybulak River not rated (>class 5) 2 class 6,8 solids 3 Suspended mg/dm Zhabay River 3 класс 4 class 19,0 solids 3 Magnesium mg/dm Silety River 4 класс 4 class 3 37,6

Mineralization mg/dm 2246 3 COD mg/dm Aksu river not rated (>class 5) not rated (>class 5) 53,2 3 Chlorides mg/dm 616,8 3 Chlorides mg/dm 2389 3 Reka Kylchik not rated (>class 5) not rated (>class 5) Magnesium mg/dm 400 3 15

Mineralization mg/dm 6753,5 3 Ammonium mg/dm 7,27 ion 3 Calcium mg/dm 251,5 3 Sulfates mg/dm 1599,5 3 COD mg/dm 87,0 3 not rated (>class 5) Magnesium mg/dm Reka Chagallali not rated (>class 5) 105 3 4 class General iron mg/dm Nura river not rated (>class 5) 0,67 3 Total 0,168 phosphorus Nura-Yesil Canal not rated (>class 5) 2 class Phosphates mg/dm 0,235 3 As can be seen from the table, in comparison with April 2020, the surface water quality in the Yessil, Akbulak ,Sarybulak, Aksu, Kylshykty, Shagalaly rivers, in the Nura-Yessil channel is still at a level above class 5 (the worst class), in the Bettybulak and Nura rivers, the water quality has improved. The main pollutants in water bodies are chlorides, sulfates, magnesium, mineralization, COD, ammonium ion, total iron, total phosphorus, phosphates, suspended solids. Exceeding the quality standards according to these indicators is mainly characteristic of urban wastewater discharges in conditions of a large population. In April 2021, 14 cases of VZ were detected in the city of Nur-Sultan: Sarybulak River-11 cases of VZ, Akbulak River-3 cases of VZ.Cases of VZ are recorded for chlorides, magnesium, ammonium ions, dissolved oxygen, and mineralization. nformation on the quality of water bodies in the context of the sections is given in Annex 2 4. State of precipitation quality for March 2021 Observations of the chemical composition of precipitation consisted in sampling rainwater at 4 weather stations (Nur-Sultan, , SKFM "Borovoe", Burabay) (Figure 1.5). The concentrations of all determined pollutants in the sediments did not exceed the maximum permissible concentrations (MPC). The content of sulfates 21.8 %, chlorides 20.6 %, nitrates 0.21 %, bicarbonates 23.65 %, potassium ions 0.69 %, and calcium ions 22.6% prevailed in the precipitation samples. The highest total mineralization was observed at MS Shchuchinsk – 32.38 mg/l, the lowest-16.56 mg / l at MS Burabay. The specific electrical conductivity of atmospheric precipitation ranged from 37.31 (Burabay) to 74.98 µs/cm (MS Nur-Sultan). The acidity of the precipitation has the character of an acidic to slightly acidic environment and ranges from 5.64 (SKFM "Borovoe") to 6.44 (MS Shchuchinsk).

5. State of soil contamination with heavy metals Akmola region for the spring period of 2021 For the spring period in soil samples taken at the Borovoe integrated background monitoring station (SCFM Borovoe») the content of zinc was 0.0061 mg/kg, copper – 0.0056 mg/kg, lead – 0.0022 mg/kg, chromium – 0.0366 mg/kg, cadmium-0.0166 mg/kg.

In the soil samples taken in the village of Burabay, the content of zinc was 0.0071 mg / kg, copper-0.0066 mg / kg, lead-0.003 mg/kg, chromium-0.0428 mg/kg, cadmium – 0.0098 mg / kg.

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In the city of Shchuchinsk, in soil samples taken in various areas, the content of chromium was in the range of 84-1, 48 mg / kg, copper-0.0041-0.005 mg/kg, lead-0.0023-0.0062 mg / kg, zinc-0.0028-0.0044 mg / kg, cadmium-0.0042-0.1379 mg / kg. In the city of Kokshetau, in soil samples taken in different areas, the content of chromium was in the range of 0.0454-0.1397 mg / kg, copper-0.0046-0.0058 mg / kg, lead-0.0033-0.0055 mg / kg, zinc-0.0038-0.0168 mg / kg, cadmium-0.085-0.1126 mg / kg. In the city of Atbasar (permanent site No. 5 , agricultural land), the content of zinc was 0.00 mg / kg, copper-0.0044 mg / kg, lead-0.0069 mg/kg, chromium-0.0608 mg/kg, cadmium-0.0868 mg/kg. In the village of ( permanent site No. 4, agricultural land), the content of zinc was 0.0066 mg / kg, copper-0.004 mg/kg, lead-0.0055 mg/kg, chromium-0.046 mg/kg, cadmium- 0.1224 mg/kg. In the village of Zerenda (permanent plot No. 4, agricultural land), the content of zinc was 0.00 mg / kg, copper-0.0044 mg / kg, lead-0.0076 mg/kg, chromium-0.0439 mg/kg, cadmium-0.0989 mg/kg.

6. Radiation situation Observations of the level of gamma radiation in the area were carried out daily at 14 meteorological stations (, , Atbasar, Balkashino, SKFM Borovoe, Egindykol, Yerementau, Kokshetau, Korgalzhin, Stepnogorsk, Zhaltyr, Burabay, Shchuchinsk, ) The average values of the radiation gamma background of the surface layer of the atmosphere for the settlements of the region were in the range of 0.05-0.43 mSv/h (the standard is up to 5 mSv/h). Monitoring of radioactive contamination of the surface layer of the atmosphere in the territory of the Akmola region was carried out at 5 meteorological stations (Atbasar, Kokshetau, Stepnogorsk, Astana, SKFM "Borovoe") by five-day sampling of air with horizontal plates. The average daily density of radioactive fallout in the surface layer of the atmosphere of the Akmola region ranged from 1.2-2.3 Bq / m2. The average precipitation density was 1.8 Bq / m2, which does not exceed the maximum permissible level Appendix 1

  Fig. 1-map of the locations of the expedition observations and automatic posts of the Akmola region

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Appendix 2

Information on the quality of surface waters of the Akmola region by target

Water feature and target Characteristics of physical and chemical parameters the water temperature is marked at the level of 0-4. 0 ° C, the hydrogen index Yesil river is 7.4-7.9, the concentration of oxygen dissolved in water is 2.92-11.26 mg / dm3, BPK5-0.23-2.03 mg/dm3. he target of the village of Turgenevka, 1.5 km south of the 4 class Magnesium – 38.3 mg / dm3. village of Turgenevka, 1.5 km below the water post Nur-Sultan city target, 0.5 km not rated (>4 Total phosphorus 1,251 mg / dm3. above the discharge of treated storm classes) water, 2 km above the discharge of wastewater of the Astana su Arnasy management» Nur-Sultan riverbed, 0.5 km below 4 class Total phosphorus – 1.011 mg / dm3, magnesium- the outlet of treated storm water 32.2 mg/dm3. Nur-Sultan city, Koktal village, 0.5 5 class phosphates – 1.057 mg / dm3. km above the treated wastewater discharge " Astana su arnasy» Nur-Sultan city, Talapker village, 0.5 km below the treated not normalized Total phosphorus – 2,113 mg / dm3. wastewater discharge " Astana su (>4classes) arnasy» sash.Yesil (village of Kamenny Suspended solids-17.1 mg / dm3. Actual Quarry), north-western outskirts of 5 class concentrations of suspended solids exceed the Shchebzavod background class. the water temperature was 0-3. 0 ° C, the hydrogen index was 7.3-7, the Akbulak river concentration of oxygen dissolved in water was 1.73-3.44 mg / dm3, BPK5- 0.57-0.87 mg/dm3 Nur-Sultan target, 0.5 km above the not rated (>5 calcium– 441 mg / dm3, magnesium-140 mg/dm3, outlet of treated storm water, classes) mineralization-2393 mg/dm3, chlorides-1028 Akzhol street area mg/dm3. Nur-Sultan target, 0.5 km below the not rated (>5 calcium – 401 mg / dm3, magnesium-118.5 outlet of treated storm water, classes) mg/dm3, chlorides-895 mg/dm3. Akzhol street area Nur-Sultan town line, 0.5 km above not rated (>5 mineralization– 2072 mg / dm3, calcium-391 the outlet of the washing water of classes) mg/dm3, magnesium-134 mg/dm3, chlorides-895 the pumping and filtering station mg/dm3. Nur-Sultan town line, 0.5 km below not rated (>5 mineralization– 2081 mg / dm3, calcium-556 the outlet of the washing water of classes) mg/dm3, magnesium-100.15 mg/dm3, chlorides- the pumping and filtering station 886.5 mg/dm3. Nur-Sultan gate, before the not rated (>5 calcium – 386 mg / dm3, magnesium-115.5 confluence with the Yesil River, classes) mg/dm3, chlorides-904 mg/dm3. Dream store district the water temperature was 0-2 ° C, the hydrogen index was 7.2-7.7, the Sarybulak river concentration of oxygen dissolved in water was 2.91-4.3 mg / dm3, and the BPC5 was 1.14-2.02 mg/dm3 Nur-Sultan riverbed, 0.5 km above not rated (>5 magnesium – 105.25 mg / dm3, mineralization- the outlet of treated storm water classes) 2221.5 mg/dm3, chlorides-842 mg/dm3. not rated (>5 magnesium -114.95 mg / dm3, mineralization-2493 Nur-Sultan riverbed, 0.5 km below classes) mg/dm3, chlorides-966 mg/dm3factual the outlet of treated storm water concentrations of magnesium, chlorides and mineralization exceed the background class. not rated (>5 Ammonium ions-3,165 mg / dm3, magnesium-117.4 Nur-Sultan gate, before the classes) mg/dm3, mineralization-2491 mg/dm3, chlorides- confluence with the Yesil River 948 mg/dm3, total iron-0.4 mg/dm3, The actual concentrations of ammonium ions do not exceed, 18

total iron, magnesium, mineralization and chlorides exceed the background class. the water temperature is 0-0. 2 ° C,the hydrogen index is 7.92-7.95, the Zhabay river concentration of oxygen dissolved in water is 8.98-9.23 mg / dm3, and the BPK5 is 0.73-2.20 mg / dm3. 4class magnesium – 31.7 mg / dm3, COD-34.0 mg/dm3, suspended solids-21.3 mg / dm3. The actual target of Atbasar city concentrations of COD,magnesium, and suspended solids exceed the background class. 3 class the ammonium ion is 0.862 mg / dm3. The actual target S. Balkashino concentration of the ammonium ion exceeds the background class. the water temperature is 0.2-08 ° C, the hydrogen index is 7.90-8.60, the Silety river concentration of oxygen dissolved in water is 9.32-10.69 mg / dm3, and the BPK5 is 0.47-0.81 mg / dm3. stor Stepnogorsk 4 class Magnesium – 37.6 mg / dm3. the water temperature is 0.2-1.6 ° C, the hydrogen index is 7.81-8.24, the Aksu river concentration of oxygen dissolved in water is 3.13-11.58 mg / dm3, BPK5- 1.52-5.66 mg / dm3. magnesium-129.5 mg / dm3, mineralization-2977 not rated (>5 stor Stepnogorsk mg/dm3, COD-63.5 mg/dm3, chlorides-900.5 classes) mg/dm3 the target is 1 km above the waste not rated (>5 mineralization-2565 mg / dm3, COD-55.0 mg/dm3, water discharge classes) chlorides-767.5 mg/dm3 the target is 1 km below the waste not rated (>5 COD – 41.0 mg / dm3, total iron-0.368 mg/dm3. water discharge classes) the water temperature is 0 ° C, the hydrogen index is 7.32, the concentration Bettybulak river of oxygen dissolved in water is 12.30 mg / dm3, and the BPK5 is 0.80 mg/dm3. 2 class suspended solids – 6.8 mg / dm3. The actual target Cordon Zolotoy Bor concentration of suspended substances does not exceed the background class. the water temperature is 0.2 ° C, the hydrogen index is 7.80-8.52, the Kylchikti river concentration of oxygen dissolved in water is 3.54-9.41 mg / dm3, BPK5- 0.84-5.14 mg / dm3. ammonium ion-8.4 mg / dm3, magnesium-521 the target of Kokshetau, the area of not rated (>5 mg/dm3, mineralization-8455 mg/dm3, COD-108 the Brick factory classes) mg/dm3, sulfates-1801 mg/dm3, chlorides-3027 mg/dm3, calcium-400 mg/dm3 ammonium ion-6.14 mg / dm3, magnesium-279 the gate of Kokshetau, the district not rated (>5 mg/dm3, mineralization-5052 mg/dm3, COD-66.0 of the kindergarten "Akku» classes) mg/dm3, chlorides-1751 mg/dm3 the water temperature is 0.2 ° C, the hydrogen index is 7.37-7.99, the Chagalaly river concentration of oxygen dissolved in water is 3.94-10.69 mg / dm3, and the BPK5 is 0.47-0.80 mg / dm3. target of Kokshetau, district of not rated (>5 magnesium-117 mg / dm3 Zarechnoye village classes) target of Kokshetau, district c. magnesium – 93.0 mg / dm3 4 class Krasny Yar the water temperature was-0-11.6 ° C, the hydrogen index-6.67-8.16, the Nura river concentration of oxygen dissolved in water-4.29-11.85 mg / dm3, BPK5- 0.97-4.56 mg/dm3 target of Romanovka village, 5.0 not rated (>5 Total iron–0.79 mg / dm3. km below the village classes) the target of the village of not rated (>5 Sabyndy, 2.8 km downstream from Total iron-0.44 mg / dm3. classes) the village. Egindykol Total iron-0.79 mg / dm3, manganese-0.107 Korgalzhyn village, 0.2 km below not rated (>5 mg/dm3 The actual concentration of manganese the village classes) does not exceed the background class .

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the water temperature was 0 ° C, the hydrogen index was 7.4, the Nura-Yesil Canal concentration of oxygen dissolved in water was 4.45 mg/dm3, and the BPC5 was 0.87 mg / dm3. head of the channel, in the ammonium ion-0.78 mg / dm3, total phosphorus - 3rd class alignment of the water post 0.309 mg/dm3 target s. Prigorodnoye, near the 1st class automobile bridge

Appendix 3

Reference section

Maximum permissible concentrations (MPC) of pollutants in the air of populated areas MPC values, mg / m3

Name of impurities maximum one-time average daily Class Hazards payment value

Nitrogen dioxide 0,2 0,04 2

Nitrogen oxide 0,4 0,06 3

Ammonia 0,2 0,04 4

Benz/a / pirenne - 0,1 мкг/100 м3 1

Benzene 0,3 0,1 2

Beryllium 0,09 0,00001 1

Suspended solids (particles) 0,5 0,15 3

Suspended particles PM 10 0,3 0,06

Suspended PM particles 2,5 0,16 0,035

Hydrogen chloride 0,2 0,1 2

Cadmium - 0,0003 1

Cobalt - 0,001 2

Manganese 0,01 0,001 2

Copper - 0,002 2

Arsenic - 0,0003 2

Ozone 0,16 0,03 1

Lead 0,001 0,0003 1

Sulfur dioxide 0,5 0,05 3

Sulfuric acid 0,3 0,1 2

Hydrogen sulfide 0,008 - 2

Carbon monoxide 5,0 3 4

Phenol 0,01 0,003 2

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Formaldehyde 0,05 0,01 2

Hydrogen fluoride 0,02 0,005 2

Chlorine 0,1 0,03 2

Chrome (VI) - 0,0015 1

Zinc - 0,05 3

"Hygienic standard for atmospheric air in urban and rural settlements" (SanPiN No. 168 of February 28, 2015) Assessment of the degree of the atmospheric pollution index Gradations Atmospheric air pollution Indicators Monthly estimate 0-1 I Low SI NP, % 0 2-4 II Increased pressure SI NP, % 1-19 5-10 III High SI NP, % 20-49 ›10 IV Very high SI NP, % ›50 RD 52.04.667-2005, Documents of the state of air pollution in cities for informing state bodies, the public and the population. General requirements for the development, construction, presentation and content

Differentiation of water use classes by water use categories (types) Category (type) of water Purpose/type of Water use classes use cleaning 1 2 3 4 5 класс класс класс класс класс Fisheries water Salmonids + + - - - management Cyprinids + + - - - Household and drinking Simple water + + - - - water use treatment Conventional water + + + - - treatment Intensive water + + + + - treatment Recreational water use + + + - - (cultural and domestic) Irrigation Without preparation + + + + - Defending in maps + + + + + Industry: technological goals, cooling processes + + + + -

hydropower + + + + + mining operations + + + + + transport + + + + + Unified system of classification of water quality in water bodies (Order of the KVR of the Ministry of Agriculture No. 151 of 09.11.2016)

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Radiation safety standard*

Normalized values Dose limits Effective dose Population 1 mSv per year on average for any consecutive 5 years, but no more than 5 mSv per year * "Sanitary and epidemiological requirements for radiation safety»

BRANCH OF RSE "KAZHYDROMET" IN AKMOLA REGION ADDRESS: AKMOLA REGION, KOKSHETAU CITY 27 KUDAIBERDIEVA STREET BODYS. 8-(7162)-50-80-04

Е MAIL:[email protected]

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