With 25,951 tonnes, the September average daily production was 5.3% lower than in the previous month (August 2017: 27,391 tonnes), but 4.0% higher than in September 2016 (24,959 tonnes). With 197,839 tonnes, the September caustic soda stocks were 5.1% lower than in the previous month (August 2017: 208,400 tonnes), and 24,282 tonnes below the level of September 2016 (222,121 tonnes). Details of chlorine production and caustic soda stocks in the EU-28 countries plus Norway and Switzerland in September 2017 are provided in the following tables. Chlorine production & capacity utilisation - EU 28 + Norway/Switzerland 

Month	Production (tonnes)			Capacity Utilisation (%)
	2016	2017	% change	2016	2017
January	821,341	841,842	+2.5	81.9	82.9
February	805,394	774,784	-3.8	85.9	84.4
March	802,803	791,926	-1.4	80.1	77.9
April	670,713	781,028	+16.4	69.1	79.4
May	748,409	832,833	+11.3	74.7	82.0
June	751,434	829,783	+10.4	77.5	84.4
July	828,652	866,251	+4.5	82.7	85.3
August	828,695	849,118	+2.5	82.7	83.6
September	748,760	778,518	+4.0	77.2	79.2

Caustic soda stocks (tonnes)

	2016	2017
January	243,389	202,439
February	252,472	227,000
March	231,506	201,347
April	226,702	195,714
May	221,326	189,783
June	200,718	180,565
July	204,338	193,712
August	225,564	208,400
September	222,121	197,839

Further information: Dolf van Wijk, Executive Director,  tel: +32 2 676 73 70 Footnote to Editors Some of the totals for each month may vary slightly compared with figures used earlier. Please rely on the most recent information since it sometimes happens that estimates have to be made when data is supplied late by a producer. This is subsequently adjusted when the actual figure becomes available.