Environmental impact

Environmental results
	UOM.	2011	2012	2013	2014	2015
Gross pollutant emissions, including:	tons	358.60	377.34	352.98	350.85	371.77
solids, including:	tons	10.66	15.17	15.01	15.74	16.17
furnace bottom ash	tons	0.37	—	—	—	—
gases and liquids, including:	tons	347.94	357.17	337.97	335.11	355.60
sulfur dioxide	tons	21.87	22.27	27.81	28.92	29.93
carbon oxide	tons	127.22	131.97	113.86	121.36	122.65
nitrogen oxides (as NO2)	tons	145.88	144.26	142.09	138.35	151.46
hydrocarbons (without VOC)	tons	4.41	5.02	3.40	1.15	0.68
volatile organic compounds (VOC)	tons	43.94	47.23	45.27	45.31	50.86
benzapyrene	tons	0.00003	—	0.000012	0.000012	0.000002
Amount of pollutants trapped and decontaminated, including:	tons	5.32	4.54	4.54	11.13	11.13
solids	tons	5.32	4.54	4.54	11.13	11.13
Water intake and making, including:	thousand m³	245.50	206.31	212.93	197.31	185.10
from surface sources	thousand m³	65.74	23.19	22.55	23.07	19.91
from ground sources	thousand m³	48.32	43.81	41.91	45.70	42.56
from other sources	thousand m³	131.43	139.31	148.46	128.53	122.62

Changes in industrial waste generation, tons
Waste hazard class	2011	2012	2013	2014	2015
Class 1	8.15	6.89	6.28	7.97	5.66
Class 2	17.79	19.57	8.16	12.21	12.20
Class 3	163.41	624.30	189.49	260.57	149.23
Class 4	6,363.14	7,386.39	4,948.99	4,718.40	4,427.47
Class 5	2,789.16	3,117.90	2,863.85	3,347.55	3,160.08
Total	9,341.65	11,155.05	8,016.77	8,346.70	7,754.65

Major emissions are from diesel power plants.

Major water consumption was for household and drinking needs (65%), industrial needs — 35%.

Waste generation was observed to decrease in 2015 as compared to the previous years, mainly for the waste of hazard classes 4 and 5.

The branches of PJSC IDGC of the North-West develop environmental projects on an annual basis. A focus is on collection and transfer waste of hazard class 1 to 4 to specialized companies licensed for waste decontamination and disposal. Completed activities are monitored on an ongoing basis.

Environmental impact

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