# Commission Delegated Regulation (EU) 2019/331 of 19 December 2018 determining transitional Union-wide rules for harmonised free allocation of emission allowances pursuant to Article 10a of Directive 2003/87/EC of the European Parliament and of the Council (Text with EEA relevance), Division 4: The product-related historical activity level for the baseline period for products to which the steam cracking product benchmark as referred to in Annex I applies shall be determined according to the following formula:

Extent: E+W+S+N.I.

HALHVC,net=ARITHMETIC MEANHALHVC,total,k−HSFH,k−HSFE,k−HSFO,k
whereby:
HALHVC,net historical activity level for high value chemicals net of high value chemicals produced from supplemental feed expressed in tonnes of HVC
HALHVC,total,k historical activity level for total high value chemicals production in year k of the baseline period expressed in tonnes of HVC
HSFH,k historical supplemental feed of hydrogen in year k of the baseline period expressed in tonnes of hydrogen
HSFE,k historical supplemental feed of ethylene in year k of the baseline period expressed in tonnes of ethylene
HSFO,k historical supplemental feed of other high value chemicals than hydrogen and ethylene in year k of the baseline period expressed in tonnes of HVC

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Source: https://www.legislation.gov.uk/eur/2019/331/annex/III/division/4 (the official version)
Page: https://openlegislation.uk/eu-regulation-2019-331/annex-III/division-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.