High materiality aspects - 2019 Annual Integrated Report

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	Units	Trends	2019	2018	2017	2016	2015
Energy
Primary energy consumption	Petajoules low heating value (PJ)		123	127	130	138	175
Secondary energy purchased	Petajoules low heating value (PJ)		38	45	49	53	63
Total energy sold	Petajoules low heating value (PJ)		32	23	22	23	26
Fuel consumption from non-renewable sources	Petajoules low heating value (PJ)		113	101	100	104	107
Fuel consumption from renewable sources	Petajoules low heating value (PJ)		5	4	3	4	5
Energy efficiency index – Baseline 100% in 2012	%		92	93	94	94	96

Air quality
Nitrogen oxides emissions – NO_x	Metric tons		6,197	7,704	9,485	11,115	12,148
Nitrogen oxides intensity	Kg per € EBITDA		0.0027	0.0035	0.0043	0.0059	0.0062
Sulfur oxides emissions – SO_x	Metric tons		2,888	3,750	4,573	5,343	6,490
Sulfur oxides intensity	Kg per € EBITDA		0.0012	0.0017	0.0021	0.0028	0.0033
Non-methane volatile organic compounds emissions – NMVOC	Metric tons		4,109	4,252	4,142	4,941	6,780
Non-methane volatile organic compounds intensity	Kg per € EBITDA		0.0018	0.0019	0.0019	0.0026	0.0035

Water and wastewater
Freshwater withdrawal	Million m³		330	330	326	494	538
Freshwater withdrawal intensity	m³ per € EBITDA		0.142	0.148	0.147	0.260	0.275
Chemical Oxygen Demand (COD) emissions	Metric tons O₂		5,344	6,248	5,670	–	–
Chemical Oxygen Demand intensity	Kg per € EBITDA		0.0023	0.0027	0.0024	–	–

Waste and hazardous materials
Non-hazardous industrial waste	1,000 Metric tons		1,596	1,602	1,639	1,463	1,447
Hazardous industrial waste	1,000 Metric tons		86.6	93.1	100.7	189	200
Total industrial waste	1,000 Metric tons		1,682	1,696	1,740	1,652	1,647
Industrial hazardous waste not treated in a sustainable way	1,000 Metric tons		27.2	29.0	40.4	49.0	45.8
Industrial hazardous waste not treated in a sustainable way intensity	Kg per € EBITDA		0.0117	0.0137	0.0185	0.0258	0.0234
Substances of Very High Concern (SVHC) according to REACH criteria present in products sold	Number		29	31	35	20	20
Completion of analysis of safer alternatives program for marketed substances	%		54	39	49	18	5

Diversity and inclusion
Total headcount	Headcount		24,155	24,501	24,459	27,030	26,350
Percentage of women in the Group	%		23	23	23	23	22
Senior manager	Headcount		369	401	396	428	428
Middle manager	Headcount		2,895	2,915	2,898	3,026	2,819
Junior manager	Headcount		5,246	5,213	5,090	5,348	4,491
Non-manager	Headcount		15,645	15,972	16,075	18,228	18,612
Solvay’s workforce under 30 years old	Headcount		2,649	2,800	2,765	3,242	–
Solvay’s workforce between 30–49 years old	Headcount		13,422	13,605	13,578	15,107	–
Solvay’s workforce 50 years old and older	Headcount		8,084	8,096	8,116	8,681	–

Customer welfare
Solvay’s Net Promoter Score (NPS)	%		33	42	36	27	24

Management of the legal, ethics and regulatory framework
Total claims made	Number		140	88	83	65	–
Total claims closed including cases for which there was insufficient information or cases that were misdirected or referred	Number		127	81	71	62	–
Unsubstantiated claims among resolved cases	Number		63	37	38	28	–
Substantiated claims among resolved cases	Number		46	34	19	29	–

Animal testing
Number of vertebrates	Number		10,049	4,421	3,353	11,242	7,434
Number of studies	Number		58	34	60	69	49

Critical incident risk management
Process safety incident rate	%		0.9	1.0	0.9	0.7	0.6
Medium severity incidents with environmental consequences	Number		20	47	59	40	46
Medium severity incidents with environmental consequences with operating permit exceedance	Number		9	12	27	26	26
Medium severity incidents with environmental consequences without operating permit exceedance	Number		11	35	–	–	–

Annual Integrated Report 2019

1.2. High materiality aspects