Pollution Load
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5.2.3. Pollution Load
5.2.3.1. Oxygen Consuming and/or Depleting Substances
Twelve (12) sites were found to have contributed the largest amount of organic substances, expressed as BOD5, with their effluent discharges (corresponding to scores of 5 and 4). The following industries were assigned a score of 5 in terms of their individual values of Indicator 3.1а: Dnipropetrovsk Water Utility, Kyiv Vodokanal Company, Zaporizhzhia Vodokanal Company, and Zhitomyr Water Utility. The largest quantity of organic substances, expressed in terms of BOD5, enter surface waters with effluent discharges from Dnipropetrovsk Water Utility (3,260 tonnes, or 16.804% of the total value for the Ukrainian part of the Basin), as compared to Zhitomyr Water Utility (1,043 tonnes, or 5.376% of the total value for the Ukrainian part of the Basin). The other 8 sites (Krivy Rig Water Utility, KrivorozhStal Steel Plant in Krivy Rig, Sumy Water Utility, Konotop Water Utility, Yuzhny Pipework Plant in Nikopol, Kherson Water Utility, Chernigiv Vodokanal Company, and Zaporizhstal Metallurgical Plant) were assigned a score of 4. The maximum value of BOD5 was recorded at Krivy Rig Water Utility (674 tonnes, or 3.474% of the total BOD load in the Ukrainian part of the Basin), while Zaporizhstal Metallurgical Plant had the lowest BOD value (230 tonnes, or 1.186% of the total BOD load in the Ukrainian part of the Basin (see Annex B, Table В.6).
Medium levels of BOD5, corresponding to scores of 3 and 2, were recorded at 61 sites. Twenty five (25) sites were assigned a score of 3 for Indicator 3.1а. In this group, the maximum value of organic load expressed as BOD5 was recorded at Dniprodzerzhinsk Water Utility (163 tonnes, or 0.84% of the total organic load in the Ukrainian part of the Basin), and Karlovka Machine-Building Plant had the lowest BOD value (20 tonnes, or 0.103% of the total volume of organic substances in the Dnipro Basin within Ukraine). The other 36 sites received a score of 2 for Indicator 3.1а. In this group, the maximum value of BOD load was recorded at the Chelyuskintsy Mine of the “DonUgol” Coal-Mining Company in Donetsk (18 tonnes, or 0.093% of the total organic load entering the surface waters with effluent discharges in the Ukrainian part of the Basin), as compared to the lowest value of 2 tonnes, or 0.01%, recorded at Ekaterinovka Penitentiary #46.
Low levels of organic load, expressed as BOD5, were recorded at the following 9 sites: Mirgorod Prefabricated Reinforcement Plant, Poltava Turbine Plant, Gozhulyany Bio-Factory, Motovilovo Woodwork Factory, KhimProm Chemical Plant in Sumy, Coca-Cola Beverage Ukraine Plant in Brovary District, Globin Sugar Plant, Klesov Granite Quarry RPZ-43, and Remeslo Wheat Institute in Mironovka District. Each of these sites contributes 1 tonne of organic substances in terms of BOD5 with their effluent discharges, or 0.005% of the total volume or organic load received by surface waters with effluent discharges in the Ukrainian part of the Dnipro Basin. All these sites were assigned a score of 1 for Indicator 3.1a.
No organic substances were found in effluent discharges of the remaining 18 sites, which received a score of 0 for Indicator 3.1а.
5.2.3.2. Total Suspended Solids (TSS)
The largest values of total suspended solids, corresponding to scores of 5 and 4, were recorded at 11 sites. The following three sites were assigned a score of 5: Kyiv Vodokanal Company (7,036 tonnes, or 23.532% of the total TSS load entering the surface waters with effluent discharges in the Ukrainian part of the Basin), Dnipropetrovsk Water Utility (2,846 tonnes, or 9.518%), and Zaporizhzhia Vodokanal Company (1,681 tonnes, or 5.622%). Another 8 sites in this group (Krivy Rig Water Utility, Zhitomyr Water Utility, Zaporizhstal Metallurgical Plant, Poltava Ore-Enrichment Plant, KrivorizhStal Steel Plant in Krivy Rig, Sumy Vodokanal Company, “PavlogradUgol” Coal-Mining Company/Water Utility in Pavlogard, and Dniprodzerzhinsk Water Utility) were assigned a score of 4 for Indicator 3.3a. In this group, the maximum quantity of suspended solids was recorded at Krivy Rig Water Utility (1,236 tonnes, or 4.134% of the total amount discharged in the Ukrainian part of the Basin), as opposed to the Dniprodzerzhinsk Water Utility (324 tonnes, or 1.084%) (see Annex B, Table В.6).
Medium levels of suspended solids, corresponding to scores of 3 and 2, were recorded at 58 sites. Of these, 28 sites were assigned a score of 3. In this group, the maximum quantity of suspended solids was recorded at Chernigiv Vodokanal Company (294 tonnes, or 0.983% of the total suspended solid load received by surface waters with effluent discharges in the Ukrainian part of the Dnipro Basin), while the Yuzhny Ore-Enrichment Plant had the lowest recorded value of the suspended solid load (33 tonnes, or 0.11%). Another 30 sites were assigned a score of 2 for Indicator 3.3a. Among them, Lubny Water Utility had the highest value (28 tonnes, or 0.094% of the total amount of suspended solids entering the surface waters with effluent discharges in the Ukrainian part of the Basin), while Klesovo Granite Quarry RPZ-43 had the lowest value (3 tonnes, or 0.01%).
The lowest values of suspended solid load were recorded at 15 sites. Of these, three sites were found to contribute 2 tonnes each, or 0.007%. The remaining 12 sites contribute 1 tonne each, or 0.003% of the total suspended solid load associated with effluent discharges in the Ukrainian part of the Dnipro Basin. These sites received a score of 1 for Indicator 3.3а.
No suspended solids were contained in effluent discharges of the remaining 16 sites, which were assigned a score of 0.
5.2.3.3. Total Dry Residue (TDR)
The highest levels of dry residue were recorded in effluent discharges from 13 sites (corresponding to scores of 5 and 4). The largest contributors were as follows: “PavlogradUgol” Coal-Mining Company/Water Utility in Pavlograd (91,740 tonnes, or 6.067% of the total load entering the surface waters with effluent discharges in the Ukrainian part of the Dnipro Basin), Krivy Rig Water Utility (83,040 tonnes, or 5.492%), and Kyiv Vodokanal Company (78,200 tonnes, or 5.172%). These sites were assigned a score of 5 for Indicator 3.4a. Another 10 sites (KrivorizhStal Steel Plant in Krivy Rig, Zaporizhstal Metallurgical Plant, Dnipropetrovsk Water Utility, Kherson Water Utility, Korotchenko Mine of the “SelidovUgol” Coal-Mining Company in Selidovo, Abakumov Mine of the “DonetskUgol” Coal-Mining Company in Donetsk, Sumy Vodokanal Company, Poltava Ore-Enrichment Company, Kurakhovsky Mine of the “SelidovUgol” Coal-Mining Company in Gornyak, and Chelyuskintsy Mine of the “DonUgol” Coal-Mining Company in Donetsk) were assigned a score of 4. The maximum level of dry residue was recorded at KrivorizhStal Steel Plant in Krivy Rig (71,920 tonnes, or 4.757% of the total dry residue load entering the surface waters with effluent discharges in the Ukrainian part of the Dnipro Basin), while the Chelyuskintsy Mine of the “DonUgol” Coal-Mining Company had the lowest value in this group (15,210 tonnes, or 1.006%) (see Annex B, Table В.6).
Medium values of dry residue content (corresponding to scores of 3 and 2) were recorded at 46 sites. Twenty two (22) sites were assigned a score of 3 for Indicator 3.4a. The highest level of dry residue was found to be present in effluent discharged from Krivy Rig Thermal Power Plant #2 in Zelenodolsk (12,850 tonnes, or 0.85% of the total dry residue discharged with wastewater in the Ukrainian part of the Basin), as compared to Kakhovka Vodokanal Company (1,600 tonnes, or 0,106%). Another 24 sites were assigned a score of 2 for Indicator 3.4a. In this group, the largest contributor was the Konotop Water Utility (1,476 tonnes, or 0.098%), as opposed to the Theophipol Sugar Plant (170 tonnes, or 0.011% of the total dry residue load associated with effluent discharges in the Ukrainian part of the Basin).
Low levels of dry residue content were recorded at 13 sites. In this group, the highest dry residue value was recorded at Poltava Turbine Mechanical Plant (143 tonnes, or 0.009% of the total Basin load), while the Poltava Railway Disinfection Station had the lowest value (8 tonnes, or 0.001%). These sites were assigned a score of 1 for Indicator 3.4a.
No dry residue was found in effluent discharged from the remaining 28 sites, which received a score of 0.
5.2.3.4. Ammonium Nitrogen (NH4-N)
The highest levels of ammonium nitrogen were recorded in effluent discharges at 11 sites, corresponding to scores of 5 and 4. The following 5 sites received a score of 5: Kyiv Vodokanal Company, Dnipropetrovsk Water Utility, Zaporizhzhia Vodokanal Company, Chernigiv Vodokanal Company, and Zaporizhstal Metallurgical Plant. The Kyiv Vodokanal Company is the largest contributor of ammonium nitrogen (1,157 tonnes, or 20.263% of the total volume of ammonium nitrogen entering the surface waters with effluent discharges in the Dnipro Basin), as compared to Zaporizhstal Metallurgical Plant (287 tonnes, or 5.026%). Another 6 sites (KrivorizhStal Steel Plant in Krivy Rig, Krivy Rig Water Utility, Zhitomyr Water Utility, Sumy Vodokanal Company, Rivne Nuclear Power Plant in Kuznetsovsk, and Konotop Water Utility) were assigned a score of 4. In this group, the maximum value of ammonium nitrogen load was recorded at KrivorizhStal Steel Plant in Krivy Rig (225 tonnes, or 3.94% of the total Basin load), while Konotop Water Utility had the lowest level of ammonium nitrogen load (59 tonnes, or 1.033%) (see Annex B, Table В.6).
Medium values of ammonium nitrogen load, corresponding to scores of 3 and 2, were recorded at 59 sites. Among these, 22 sites were assigned a score of 3 for Indicator 3.6a. The largest quantity of ammonium nitrogen was found to be contributed by the “PavlogradUgol’ Coal-Mining Company/Water Utility in Pavlograd (32 tonnes, or 0.56% of the total volume of ammonium nitrogen entering the surface waters with effluent discharges in the Ukrainian part of the Dnipro Basin). The lower values were recorded at Alexandria Water Utility, Military Base AO981 in Tsibulevo, Dubny Water Utility, and Znamenka Water Utility, contributing 6 tonnes each, or 0.105% of the total volume in the Ukrainian part of the Basin. Another 37 sites were assigned a score of 2 for Indicator 3.6a. In this group, the highest value of ammonium nitrogen load was recorded at 5 sites (Rossia Mine of the “SelidovUgol” Coal-Mining Company in Novogrodovka, Lanovtsy Water Utility, Sumy Experimental Research Station in Sad, Bakhmach Vodokanal Company and Svetlovodsk Water Utility), which contribute 5 tonne each, or 0.088% of the total ammonium nitrogen load associated with effluent discharges in the Ukrainian part of the Dnipro Basin. Eleven (11) sites had the lowest levels of ammonium nitrogen load (1 tonne each, or 0.018% of the total load in the Ukrainian part of the Basin).
No ammonium nitrogen was present at detectable concentrations in effluent discharges of the remaining 30 sites, which were assigned a score of 0 for this indicator.
5.2.3.5. Nitrate Nitrogen (NO3_N)
Eleven (11) sites appear to be the largest sources of nitrate nitrogen, entering the surface waters with their effluent discharges. Four sites (Kyiv Vodokanal Company, Dnipropetrovsk Water Utility, Krivy Rig Water Utility, and Zaporizhzhia Vodokanal Company) were assigned a score of 5 for their individual values of Indicator 3.7a. The largest quantity of nitrate nitrogen comes from Kyiv Vodokanal Company (4,677 tonnes, or 13.878% of the total amount entering the surface waters with effluent discharges in the Ukrainian part of the Dnipro Basin), as compared to Zaporizhzhia Vodokanal Company (2,726 tonnes, or 8.089%). Another 7 sites (KrivorizhStal Steel Plant in Krivy Rig, Dniprodzerzhinsk Water Utility, Kherson Water Utility, Dzerzhinsky Metallurgical Plant in Dniprodzerzhinsk, Sumy Vodokanal Company, Yuzhny Pipework Plant in Nikopol, and Zaporizhstal Metallurgical Plant) received a score of 4. In this group, the KrivorizhStal Steel Plant was found to contribute the largest quantity of nitrate nitrogen (1,596 tonnes, or 4.736% of the Basin total), while the minimum value of this indicator was recorded at the Zaporizhstal Metallurgical Plant (344 tonnes, or 1.021%) (see Annex B, Table В.6).
Medium levels of nitrate nitrogen load (corresponding to the scores of 3 and 2) were recorded at 33 sites. Of that, 9 sites were assigned a score of 3, with a maximum value of nitrate nitrogen load recorded at the Chernigiv Vodokanal Company (295 tonnes, or 0.875% of the total nitrate nitrogen load associated with effluent discharges in the Ukrainian part of the Dnipro Basin). The lowest value was recorded at the Selishchansky Granite Quarry in Sarny District (44 tonnes, or 0.1315%). The remaining 24 sites were assigned a score of 2. In this group, Lubny Felt Factory is the largest contributor of nitrate nitrogen (29 tonnes, or 0.086% of the Basin total within Ukraine), as compared to the Radekhov District Municipal Utility and Morozovsky Quarry in Alexandria (4 tonnes each, or 0.012%).
Low levels of nitrate nitrogen load were recorded at 18 sites. Among them, the maximum value was recorded at Krivy Rig Thermal Power Plant #2 in Zelenodolsk (3 tonnes, or 0.009% of the total nitrate nitrogen load received by surface waters with effluent discharges in the Ukrainian part of the Dnipro Basin). All these 18 sites received a score of 1 in terms of Indicator 3.7a.
No nitrate nitrogen was recorded in effluent discharges from the remaining 38 sites, which were assigned a score of 0 in terms of Indicator 3.7a.
5.2.3.6. Oil Products
Ten (10) sites had the highest quantities of oil products in their effluent discharges (corresponding to scores of 5 and 4). Of these, 4 sites (Dnipropetrovsk Water Utility, KrivorizhStal Steel Plant in Krivy Rig, Zaporizhstal Metallurgical Plant, and Dzerzhinsky Metallurgical Plant in Dniprodzerzhinsk) were assigned a score of 5 in terms of Indicator 3.9a. The Dnipropetrovsk Water Utility was found to contribute the largest quantity of oil products (115.6 tonnes, or 26.514% of the total amount of oil products entering the surface waters with effluent discharges in the Ukrainian part of the Dnipro Basin), while the Dzerzhinsky Metallurgical Plant in Dniprodzerzhinsk had the lowest value of this indicator in this group (24.94 tonnes, or 5.72%). Another 6 sites (the “PavlogradUgol” Coal-Mining Company/Water Utility in Pavlograd, Petrovsky Metallurgical Plant in Dnipropetrovsk, Poltava Ore-Enrichment Plant, Krivy Rig Water Utility, Dniprodzerzhinsk Water Utility, and Kyiv Vodokanal Company) were assigned a score of 4. In this group, the largest quantity of oil products is contributed by the “PavlogradUgol” Coal-Mining Company/Water Utility in Pavlograd (17.81 tonnes, or 4.085% of the Basin total within Ukraine), as compared to the Kyiv Vodokanal Company (8.62 tonnes, or 1.977%) (see Annex B, Table В.6).
Medium levels of oil products, corresponding to scores of 3 and 2, were recorded in effluent discharges from 22 sites. Of these, 12 sites received a score of 3 in terms of Indicator 3.9a. In this group, the maximum quantity of oil products is contributed by the Zaporizhzhia Aluminium Plant (3.632 tonnes, or 0.833% of the total oil product load associated with effluent discharges in the Ukrainian part of the Dnipro Basin). The lowest quantity was recorded at an Unknown Industry, not referred to in the Industry/Company Reference Guide (0.471 tonne, or 0.108%). The remaining 10 sites received a score of 2. In this group, the Kurakhovsky Mine of the “SelidovUgol” Coal-Mining Company in Gornyak was the largest contributor of oil products (0.415 tonnes, or 0.095% of the total amount of oil products entering the surface waters with effluent discharges in the Ukrainian part of the Basin), as opposed to the ATP13262 Transportation Company/Wastewater Treatment Plant in Brovary (0.046 tonne, or 0.011% of the Basin total within Ukraine).
Low levels of oil products were recorded at 17 sites. Among these, the Kherson Water Utility was the largest contributor (0.04 tonne, or 0.009% of the Basin total within Ukraine), as compared to Lubny Municipal Utility (0.003 tonne, or 0.001%). All these 17 sites were assigned a score of 1 in terms of Indicator 3.9a.
No oil products were found at detectable levels in effluent discharges from the remaining 51 sites, which were assigned a score of 0.
5.2.3.7. Phenols
The largest quantities of phenols were recorded in effluent discharges from 6 sites. Their individual contributions to the total phenol load received by surface waters with effluent discharges within the Ukrainian part of the Dnipro Basin were as follows: KrivorizhStal Steel Plant in Krivy Rig (0.266 tonne, or 30.93%), Dnipropetrovsk Water Utility (0.124 tonne, or 14.419%), Krivy Rig Water Utility (0.123 tonne, or 14.302%), Zaporizhstal Metallurgical Plant (0.117 tonne, or 13.605%), Zaporizhzhia Aluminium Plant (0.05 tonne, or 5.814%), and Dzerzhinsky Metallurgical Plant in Dniprodzerzhinsk (0.049 tonne, or 5.698%). These sites were assigned a score of 5 in terms of Indicator 3.11a (see Annex B, Table В.6).
Medium levels of phenols were recorded at 5 sites: Abakumov Mine of the “DonetskUgol” Coal-Mining Company in Donetsk (0.007 tonne, or 0.814%), Chelyuskintsy Mine of the “DonUgol” Coal-Mining Company in Donetsk (0.007 tonne, or 0.814%), Korotchenko Mine of the “SelidovUgol” Coal-Mining Company in Selidovo (0.006 tonne, or 0.698%), Rossia Mine of the “SelidovUgol” Coal-Mining Company in Novogrodovka (0.004 tonne, or 0.465%), and Kurakhovsky Mine of the “SelidovUgol” Coal-Mining Company in Gornyak (0.002 tonne, or 0.233% of the total amount of phenols entering the surface waters with effluent discharges in the Ukrainian part of the Dnipro Basin). These sites were assigned a score of 3 in terms of Indicator 3.11a.
No phenols were detected in effluent discharges of the remaining 89 sites, which were assigned a score of 0 in terms of Indicator 3.11а.
5.2.3.8. Heavy Metals
Iron (Fe)
Nine (9) sites were found to contribute the largest quantities of iron with their effluent discharges, corresponding to scores of 5 and 4. Of that, 5 sites (Korotchenko Mine of the “SelidovUgol” Coal-Mining Company in Selidovo, Dnipropetrovsk Water Utility, Yuzhny Pipework Plant in Nikopol, Kyiv Vodokanal Company, and Zaporizhstal Metallurgical Plant) were assigned a score of 5 in terms of Indicator 3.14a. In this group, the Korotchenko Mine of the “SelidovUgol” Coal-Mining Company in Selidovo was the largest contributor to the total iron load entering the surface waters with effluent discharges in the Ukrainian part of the Basin (181.1 tonnes, or 23.431%), as compared to the Zaporizhstal Metallurgical Plant (45.8 tonnes, or 5.926%). The remaining 4 sites (Dzerzhinsky Metallurgical Plant in Dniprodzerzhinsk, KrivorizhStal Steel Plant in Krivy Rig, Krivy Rig Water Utility, and the “PavlogradUgol” Coal-Mining Company/Water Utility in Pavlograd) were assigned a score of 4. In this group, the maximum quantity of iron was recorded in effluent discharged by the Dzerzhinsky Metallurgical Plant in Dniprodzerzhinsk (31.02 tonnes, or 4.013%), while the “PavlogradUgol” Coal-Mining Company/Water Utility in Pavlograd had the lowest quantity (12.06 tonnes, or 1.56%) (see Annex B, Table В.6).
Medium values of iron load contained in effluent discharges were recorded at 56 sites (corresponding to scores of 3 and 2). Of that, 20 sites were assigned a score of 3 in terms of Indicator 3.14a. In this group, the Chernigiv Vodokanal Company was the largest contributor to the total iron load entering the surface waters with effluent discharges in the Ukrainian part of the Basin (6.912 tonnes, or 0.894%), as compared to the Klesov Granite Quarry RPZ-43 (0.841 tonne, or 0.109%). The remaining 36 sites were assigned a score of 2 in terms of Indicator 3.14а. Among them, the largest quantity was found to be contributed by the Selishchansky Granite Quarry in Sarny District (0.698 tonne, or 0.09%), while the Kapitanovka Road-Maintenance Unit #638 in Kyiv-Svyatoshin District had the lowest quantity of iron in its effluent discharges (0.078 tonne, or 0.01%).
Low quantities of iron were recorded in effluent discharges from 14 sites. Among them, the Lanovtsy Municipal Utility was the largest contributor to the total iron load in the Ukrainian part of the Dnipro Basin (0.061 tonne, or 0.008%), as compared to the Kremenchug Pilot College (0.004 tonne, or 0.001%). All these 14 sites received a score of 1 in terms of Indicator 3.14a.
The remaining 21 sites where no iron was detected in effluent discharges were assigned a score of 0.
Copper (Cu)
The largest quantities of copper, corresponding to scores of 5 and 4, were recorded in effluent discharges from 9 sites. Two of these, being the largest contributors to the total copper load received by surface waters with effluent discharges in the Ukrainian part of the Dnipro Basin, were assigned a score of 5: Kyiv Vodokanal Company (4.22 tonnes, or 31.962%), and the Zaporizhstal Metallurgical Plant (0.68 tonne, or 5.136%). Another 7 sites (Dnipropetrovsk Water Utility, Chernigiv Vodokanal Company, Korotchenko Mine of the “Selidov-Ugol” Coal-Mining Company in Selidovo, KrivorizhStal Steel Plant in Krivy Rig, Krivy Rig Thermal Power Plant #2 in Zelenodolsk, Abakumov Mine of the “DonetskUgol” Coal-Mining Company in Donetsk, and Pervomaisk KhimProm Chemical Plant) were assigned a score of 4 in terms of Indicator 3.15a. The maximum quantity of copper was recorded in effluent discharges of Dnipropetrovsk Water Utility (0.63 tonne, or 4.758% of the total Basin load within Ukraine), as compared to Pervomaisk KhimProm Chemical Plant (0.14 tonne, or 1.061%) (see Annex B, Table В.6).
Medium levels of copper content, corresponding to scores of 3 and 2, were recorded in effluent discharges of 9 sites. Of these, 7 sites (Kremenchug Combined Heat Power Plant, Kurakhovsky Mine of the “SelidovUgol” Coal-Mining Company in Gornyak, Chelyuskintsy Mine of the “DonUgol” Coal-Mining Company in Donetsk, Novogradovsky Mine #2 in Novogrodovka, Lubny Water Utility, Bakhmach Vodokanal Company, and Rivne Nuclear Power Plant in Kuzntesovsk) were assigned a score of 3 in terms of Indicator 3.15a. In this group, the Kremenchug Combined Heat Power Plant was the largest contributor to the total copper load in the Ukrainian part of the Dnipro Basin (0.07 tonne, or 0.492%), as compared to the Rivne Nuclear Power Plant in Kuznetsovsk (0.02 tonne, or 0.121%). A score of 2 was assigned to the Volyn Company/UkrCement Concern in Zdolbunov (0.009 tonne, or 0.068%), and Karlovka Machine-Building Plant (0.007 tonne, or 0.053%).
No copper at detectable levels was present in effluent discharges from the remaining 82 sites, which were assigned a score of 0 in terms of Indicator 3.15а.
Zinc (Zn)
Five (5) sites were found to contribute the largest quantities of zinc with their effluent discharges, corresponding to scores of 5 and 4. The list of sites assigned with a score of 5 in terms of their individual contributions to the total zinc load entering the surface water bodies with effluent discharges in the Ukrainian part of the Dnipro Basin is as follows: Kyiv Vodokanal Company (8.44 tonnes, or 24.175%), Korotchenko Mine of the “SelidovUgol” Coal-Mining Company in Selidovo (5.46 tonnes, or 15.63%), and Dnipropetrovsk Water Utility (5.1 tonnes, or 14.605%). Another 2 sites (Abakumov Mine of the “DonetskUgol” Coal-Mining Company in Donetsk and Chernigiv Vodokanal Company) were assigned a score of 4, contributing 0.4 tonne (1.149%) and 0.38 tonne (1.08%) of zinc, respectively (see Annex B, Table В.6).
Medium levels of zinc content, corresponding to scores of 3 and 2, were recorded at 11 sites. Of these, 8 sites (Rossia Mine of the “SelidovUgol” Coal-Mining Company in Novogrodovka, Kostopol Vodokanal Company, Rivne Nuclear Power Plant in Kuznetsovsk, Kurakhovsky Mine of the “SelidovUgol” Coal-Mining Company in Gornyak, Krivy Rig Thermal Power Plant #2 in Zelenodolsk, Chelyuskintsy Mine of the “DonUgol” Coal-Mining Company in Donetsk, and the Ekaterinovka Penitentiary #46 were assigned a score of 3 in terms of Indicator 3.16a. In this group, the largest contributor to the total zinc load entering the surface waters in the Ukrainian part of the Dnipro Basin is the Rossia Mine of the “SelidovUgol” Coal-Mining Company in Novogrodovka (0.19 tonnes, or 0.539%), as opposed to the Novogradovsky Mine #2 in Novogrodovka (0.07 tonnes, or 0.198%). The remaining three sites were found to contribute the following quantities of zinc to the total Basin load: Bereznovsk Water Utility “Kommunalnik” (0.03 tonne, or 0.097%), Volyn Company/UkrCement Concern in



