Tiêu chuẩn iso 14404 1 2013

ISO 14404 1 2013(E) Character PDF document pdf © ISO 2013 Calculation method of carbon dioxide emission intensity from iron and steel production — Part 1 Steel plant with blast furnace Méthode de calc[.]

INTERNATIONAL STANDARD ISO 14404-1 First edition 2013-03-15 Calculation method of carbon dioxide emission intensity from iron and steel production — Part 1: Steel plant with blast furnace Méthode de calcul de l’intensité de l’émission de dioxyde de carbone de la production de la fonte et de l’acier — Partie 1: Usine sidérurgique avec fourneau Reference number ISO 14404-1:2013(E) ``,`,,,,,,`,,,`,``,,`,,```,`,`-`-`,,`,,`,`,,` - Copyright International Organization for Standardization Provided by IHS under license with ISO No reproduction or networking permitted without license from IHS Licensee=University of Alberta/5966844001, User=sharabiani, shahramfs Not for Resale, 11/30/2013 22:34:58 MST © ISO 2013 ISO 14404-1:2013(E) COPYRIGHT PROTECTED DOCUMENT © ISO 2013 ŽŽ”‹‰Š–•”‡•‡”˜‡†ǤŽ‡••‘–Š‡”™‹•‡•’‡…‹ϐ‹‡†ǡ‘’ƒ”–‘ˆ–Š‹•’—„Ž‹…ƒ–‹‘ƒ›„‡”‡’”‘†—…‡†‘”—–‹Ž‹œ‡†‘–Š‡”™‹•‡‹ƒ›ˆ‘” ‘” „› ƒ› ‡ƒ•ǡ ‡Ž‡…–”‘‹… ‘” ‡…Šƒ‹…ƒŽǡ ‹…Ž—†‹‰ ’Š‘–‘…‘’›‹‰ǡ ‘” ’‘•–‹‰ ‘ –Š‡ ‹–‡”‡– ‘” ƒ ‹–”ƒ‡–ǡ ™‹–Š‘—– ’”‹‘” ™”‹––‡’‡”‹••‹‘Ǥ‡”‹••‹‘…ƒ„‡”‡“—‡•–‡†ˆ”‘‡‹–Š‡” ƒ––Š‡ƒ††”‡••„‡Ž‘™‘” ǯ•‡„‡”„‘†›‹–Š‡…‘—–”›‘ˆ the requester …‘’›”‹‰Š–‘ˆϐ‹…‡ ƒ•‡’‘•–ƒŽ‡ͷ͸ȈǦͳʹͳͳ ‡‡˜ƒʹͲ Tel + 41 22 749 01 11 Fax + 41 22 749 09 47 Ǧƒ‹Ž…‘’›”‹‰Š–̷‹•‘Ǥ‘”‰ Web www.iso.org —„Ž‹•Š‡†‹™‹–œ‡”Žƒ† ``,`,,,,,,`,,,`,``, ii Copyright International Organization for Standardization Provided by IHS under license with ISO No reproduction or networking permitted without license from IHS © ISO 2013 – All rights reserved Licensee=University of Alberta/5966844001, User=sharabiani, shahramfs Not for Resale, 11/30/2013 22:34:58 MST ISO 14404-1:2013(E) Contents Page Foreword iv Introduction v ``,`,,,,,,`,,,`,``,,`,,```,`,`-`-`,,`,,`,`,,` - Scope ʹ ‡”•ƒ††‡ϐ‹‹–‹‘• 2.1 Emissions ʹǤʹ ƒ•ˆ—‡Ž 2.3 Liquid fuel 2.4 Solid fuel ʹǤͷ —š‹Ž‹ƒ”›ƒ–‡”‹ƒŽ ʹǤ͸ ‡”‰›…ƒ””‹‡”• 2.7 Ferrous containing materials ʹǤͺ ŽŽ‘›• ʹǤͻ ”‘†—…–ƒ†„›Ǧ’”‘†—…– 2.10 Others Symbols Principles ͶǤͳ ‡‡”ƒŽ 4.2 Relevance 4.3 Completeness ͶǤͶ ‘•‹•–‡…› ͶǤͷ ……—”ƒ…› ͶǤ͸ ”ƒ•’ƒ”‡…› ͷ ‡ϐ‹‹–‹‘‘ˆ„‘—†ƒ”› ͷǤͳ ‡‡”ƒŽ ͷǤʹ ƒ–‡‰‘”›ͳ ͷǤ͵ ƒ–‡‰‘”›ʹ ͷǤͶ ƒ–‡‰‘”›͵ ͷǤͷ ƒ–‡‰‘”›Ͷ Calculation ͸Ǥͳ ‡‡”ƒŽ 6.2 Calculation procedure Annex A (informative) Calculation of energy consumption and intensity 15 Annex B (informative) An example of template for using different emission factors or emission sources from Table 16 Annex C (informative) An example of CO2 emission and intensity calculations for a steel plant 18 Annex D (informative) Explanation of emission factors for by-product gases in Table 21 Bibliography 24 iii © ISO 2013 – All rights reserved Copyright International Organization for Standardization Provided by IHS under license with ISO No reproduction or networking permitted without license from IHS Licensee=University of Alberta/5966844001, User=sharabiani, shahramfs Not for Resale, 11/30/2013 22:34:58 MST ISO 14404-1:2013(E) Foreword ȋ–Š‡ –‡”ƒ–‹‘ƒŽ”‰ƒ‹œƒ–‹‘ˆ‘”–ƒ†ƒ”†‹œƒ–‹‘Ȍ‹•ƒ™‘”Ž†™‹†‡ˆ‡†‡”ƒ–‹‘‘ˆƒ–‹‘ƒŽ•–ƒ†ƒ”†• „‘†‹‡• ȋ  ‡„‡” „‘†‹‡•ȌǤ Š‡ ™‘” ‘ˆ ’”‡’ƒ”‹‰ Ȁ ‹”‡…–‹˜‡•ǡƒ”–ʹǤ The main task of technical committees is to prepare International Standards Draft International –ƒ†ƒ”†• ƒ†‘’–‡† „› –Š‡ –‡…Š‹…ƒŽ …‘‹––‡‡• ƒ”‡ …‹”…—Žƒ–‡† –‘ –Š‡ ‡„‡” „‘†‹‡• ˆ‘” ˜‘–‹‰Ǥ —„Ž‹…ƒ–‹‘ ƒ• ƒ –‡”ƒ–‹‘ƒŽ –ƒ†ƒ”† ”‡“—‹”‡• ƒ’’”‘˜ƒŽ „› ƒ– Ž‡ƒ•– ͹ͷ Ψ ‘ˆ –Š‡ ‡„‡” „‘†‹‡• casting a vote ––‡–‹‘‹•†”ƒ™–‘–Š‡’‘••‹„‹Ž‹–›–Šƒ–•‘‡‘ˆ–Š‡‡Ž‡‡–•‘ˆ–Š‹•†‘…—‡–ƒ›„‡–Š‡•—„Œ‡…–‘ˆ ’ƒ–‡–”‹‰Š–•Ǥ •ŠƒŽŽ‘–„‡Š‡Ž†”‡•’‘•‹„Ž‡ˆ‘”‹†‡–‹ˆ›‹‰ƒ›‘”ƒŽŽ•—…Š’ƒ–‡–”‹‰Š–•Ǥ ͳͶͶͲͶǦͳ™ƒ•’”‡’ƒ”‡†„›‡…Š‹…ƒŽ‘‹––‡‡ Ȁͳ͹ǡSteel ͳͶͶͲͶ…‘•‹•–•‘ˆ–Š‡ˆ‘ŽŽ‘™‹‰’ƒ”–•ǡ—†‡”–Š‡‰‡‡”ƒŽ–‹–Ž‡‘ˆCalculation method of carbon dioxide emission intensity from iron and steel production: Part 1: Steel plant with blast furnace Part 2: Steel plant with electric arc furnace (EAF) ``,`,,,,,,`,,,`,``,,`,,```,`,`-`-`,,`,,`,`,,` - iv Copyright International Organization for Standardization Provided by IHS under license with ISO No reproduction or networking permitted without license from IHS © ISO 2013 – All rights reserved Licensee=University of Alberta/5966844001, User=sharabiani, shahramfs Not for Resale, 11/30/2013 22:34:58 MST ISO 14404-1:2013(E) Introduction Š‡ •–‡‡Ž ‹†—•–”› ”‡…‘‰‹œ‡• –Š‡ —”‰‡– ‡‡† –‘ –ƒ‡ ƒ…–‹‘• …‘…‡”‹‰ …Ž‹ƒ–‡ …Šƒ‰‡Ǥ Ž‘™‹‰ ƒ†ŠƒŽ–‹‰‰Ž‘„ƒŽ™ƒ”‹‰”‡“—‹”‡•”‡†—…–‹‘•‹ ‡‹••‹‘•‘ƒ‰Ž‘„ƒŽ•…ƒŽ‡Ǥ‘’Žƒ›ƒ’ƒ”–‹ ƒ…Š‹‡˜‹‰–Š‡•‡”‡†—…–‹‘•ǡ‹–‹•‡…‡••ƒ”›ˆ‘”•–‡‡Ž’Žƒ–•–‘‹†‡–‹ˆ›–Š‡ƒ‘—–‘ˆ2 emitted during –Š‡’”‘†—…–‹‘‘ˆ•–‡‡Ž’”‘†—…–•ǡ‹‘”†‡”–‘‹†‡–‹ˆ›‡š–‘’’‘”–—‹–‹‡•ˆ‘””‡†—…–‹‘‘ˆ2 Š‡’”‘†—…–‹‘’”‘…‡••‘ˆ•–‡‡Ž‹˜‘Ž˜‡•…‘’Ž‡š…Š‡‹…ƒŽ”‡ƒ…–‹‘•ǡ˜ƒ”‹‘—•Š‡ƒ–‹‰…›…Ž‡•ǡƒ†–Š‡ ”‡…›…Ž‹‰ ‘ˆ ˜ƒ”‹‘—• „›Ǧ’”‘†—…–•Ǥ Š‹• ˜ƒ”‹‡–› ‘ˆ ‹’‘”–•ǡ ‹…Ž—†‹‰ ”ƒ™ ƒ–‡”‹ƒŽ•ǡ ”‡ƒ…–‹˜‡ ƒ‰‡–•ǡ ˆ—‡Žƒ†Š‡ƒ–•‘—”…‡•ƒ”‡–”ƒ•ˆ‘”‡†‹–‘™‹†‡”ƒ‰‡‘ˆ•–‡‡Ž’”‘†—…–•ǡ„›Ǧ’”‘†—…–•ǡ™ƒ•–‡ƒ–‡”‹ƒŽ• and waste heat –‡‡Ž ’Žƒ–• ƒ—ˆƒ…–—”‡ ˜ƒ”‹‘—• ’”‘†—…–• ‹…Ž—†‹‰ǣ •Š‡‡– ’”‘†—…–•ǡ ’Žƒ–‡ ’”‘†—…–•ǡ Ž‘‰ ’”‘†—…–•ǡ ’‹’‡ƒ†–—„‡•ƒ†ƒ›‘–Š‡”–›’‡•‘ˆ’”‘†—…–•Ǥ ƒ††‹–‹‘ǡ•–‡‡Ž’Žƒ–•’”‘†—…‡—‹“—‡•’‡…‹ƒŽ‹–› ‰”ƒ†‡ •–‡‡Ž ’”‘†—…–• ™‹–Š Š‹‰ŠǦ’‡”ˆ‘”ƒ…‡ǡ ™Š‹…Š ƒ”‡ ƒ…Š‹‡˜‡† „› ˜ƒ”‹‘—• •—„Ǧ’”‘…‡••‡• ‹…Ž—†‹‰ ‹…”‘ǦƒŽŽ‘›‹‰ ƒ† ƒ’’Ž›‹‰ •—”ˆƒ…‡ –”‡ƒ–‡–• Ž‹‡ ‰ƒŽ˜ƒ‹œ‹‰ ƒ† …‘ƒ–‹‰ –Šƒ– ”‡“—‹”‡ ƒ††‹–‹‘ƒŽ Š‡ƒ––”‡ƒ–‡–•ǤŠ‡”‡ˆ‘”‡ǡ‘‡‘ˆ–Š‡•–‡‡Ž’Žƒ–•‹–Š‡™‘”Ž†‹•‡šƒ…–Ž›‹†‡–‹…ƒŽǤ Ž‹ƒ–‡”‡‰—Žƒ–‹‘•‹‡ƒ…Š…‘—–”›”‡“—‹”‡•–‡‡Ž…‘’ƒ‹‡•–‘†‡˜‹•‡‡–Š‘†•–‘Ž‘™‡”2 emissions ˆ”‘•–‡‡Ž’Žƒ–•™Š‹Ž‡…‘–‹—‹‰–‘’”‘†—…‡•–‡‡Ž’”‘†—…–•„›–Š‡•‡†‹˜‡”•‡ƒ†…‘’Ž‡š•–‡‡Žƒ‹‰ ’”‘…‡••‡•Ǥ ‘ ƒ……‘’Ž‹•Š –Š‹•ǡ ‹– ‹• †‡•‹”ƒ„Ž‡ –‘ Šƒ˜‡ —‹˜‡”•ƒŽŽ› …‘‘ ‹†‹…ƒ–‘”• ˆ‘” †‡–‡”‹‹‰ steel plant CO2 emissions Š‡”‡ƒ”‡ƒ›‡–Š‘†•ˆ‘”…ƒŽ…—Žƒ–‹‰2‡‹••‹‘‹–‡•‹–›ˆ‘”•–‡‡Ž’Žƒ–•ƒ†•’‡…‹ϐ‹…’”‘…‡••‡•Ǥ ƒ…Š‡–Š‘†™ƒ•…”‡ƒ–‡†–‘ƒ–…Š–Š‡‘„Œ‡…–‹˜‡•‘ˆƒ’ƒ”–‹…—Žƒ”…‘—–”›‘””‡‰‹‘Ǥ •‘‡…ƒ•‡•ǡƒ •‹‰Ž‡…‘—–”›…ƒŠƒ˜‡•‡˜‡”ƒŽ…ƒŽ…—Žƒ–‹‘‡–Š‘†•‹‘”†‡”–‘ˆ—Žϐ‹ŽŽ†‹ˆˆ‡”‡–‘„Œ‡…–‹˜‡•Ǥ˜‡”›‘‡ ‘ˆ–Š‡•‡‡–Š‘†•”‡ϐŽ‡…–•–Š‡—‹“—‡Ž‘…ƒŽ…Šƒ”ƒ…–‡”‹•–‹…•‘ˆƒ’ƒ”–‹…—Žƒ”…‘—–”›‘””‡‰‹‘Ǥ•ƒ”‡•—Ž–ǡ these methods cannot be used for comparisons of CO2 ‡‹••‹‘ ‹–‡•‹–› ‘ˆ •–‡‡Ž ’Žƒ–• ‹ †‹ˆˆ‡”‡– countries and regions ``,`,,,,,,`,,,`,``,,`,,```,`,`-`-`,,`,,`,`,,` - Š‡‘”Ž†–‡‡Ž••‘…‹ƒ–‹‘ȋ™‘”Ž†•–‡‡ŽȌǡ™Š‹…Š…‘•‹•–•‘ˆ‘”‡–Šƒͳ͵ͲƒŒ‘”•–‡‡Ž…‘’ƒ‹‡•‹ͷͷ …‘—–”‹‡•ƒ†”‡‰‹‘•‘ˆ–Š‡™‘”Ž†ǡŠƒ•„‡‡™‘”‹‰‘–Š‡†‡˜‡Ž‘’‡–‘ˆƒ…ƒŽ…—Žƒ–‹‘‡–Š‘†ˆ‘”2 ‡‹••‹‘‹–‡•‹–›‘ˆ•–‡‡Ž’Žƒ–•–‘ˆƒ…‹Ž‹–ƒ–‡•–‡‡Ž’Žƒ–2‡‹••‹‘•‹’”‘˜‡‡–„›–Š‡‘„Œ‡…–‹˜‡ …‘’ƒ”‹•‘‘ˆ–Š‡‹–‡•‹–›ƒ‘‰–Š‡‡„‡”…‘’ƒ‹‡•ǯ•–‡‡Ž’Žƒ–•Ž‘…ƒ–‡†‹˜ƒ”‹‘—•’Žƒ…‡•‹–Š‡ ™‘”Ž†Ǥƒ‰”‡‡‡–™ƒ•”‡ƒ…Š‡†ƒ‘‰‡„‡”•ǡƒ†™‘”Ž†•–‡‡ŽŠƒ•‹••—‡†–Š‡‡–Š‘†ƒ•ƒ‰—‹†‡Ž‹‡ called “CO2‹••‹‘•ƒ–ƒ‘ŽŽ‡…–‹‘•‡” —‹†‡Ǥdz…–—ƒŽ†ƒ–ƒ…‘ŽŽ‡…–‹‘ƒ‘‰™‘”Ž†•–‡‡Ž‡„‡”• „ƒ•‡†—’‘–Š‡‰—‹†‡•–ƒ”–‡†‹ʹͲͲ͹Ǥ —”–Š‡”‘”‡ǡ™‘”Ž†•–‡‡Ž‹•‡…‘—”ƒ‰‹‰‡˜‡‘Ǧ‡„‡”•–‡‡Ž companies to begin using the guide to calculate CO2‡‹••‹‘‹–‡•‹–›‘ˆ–Š‡‹”•–‡‡Ž’Žƒ–•Ǥ This calculation method establishes clear boundaries for collection of CO2 emissions data The net CO2 emissions and production from a steel plant are calculated using all parameters within the boundaries The CO2‡‹••‹‘‹–‡•‹–›‘ˆ–Š‡•–‡‡Ž’Žƒ–‹•…ƒŽ…—Žƒ–‡†„›–Š‡‡–2 emission from the plant using –Š‡„‘—†ƒ”‹‡•†‹˜‹†‡†„›–Š‡ƒ‘—–‘ˆ…”—†‡•–‡‡Ž’”‘†—…–‹‘‘ˆ–Š‡’Žƒ–Ǥ‹–Š–Š‹•‡–Š‘†‘Ž‘‰›ǡ–Š‡ CO2‡‹••‹‘‹–‡•‹–›‘ˆ•–‡‡Ž’Žƒ–•‹•…ƒŽ…—Žƒ–‡†‹””‡•’‡…–‹˜‡‘ˆ–Š‡˜ƒ”‹ƒ…‡‹–Š‡–›’‡‘ˆ’”‘…‡•• —•‡†ǡ’”‘†—…–•ƒ—ˆƒ…–—”‡†ƒ†‰‡‘‰”ƒ’Š‹……Šƒ”ƒ…–‡”‹•–‹…•Ǥ Š‹•…ƒŽ…—Žƒ–‹‘‡–Š‘†‘Ž›—•‡•„ƒ•‹…‹’‘”–•ƒ†‡š’‘”–•–Šƒ–ƒ”‡…‘‘Ž›‡ƒ•—”‡†ƒ†”‡…‘”†‡† „›–Š‡’Žƒ–•Ǣ–Š—•ǡ–Š‡‡–Š‘†”‡“—‹”‡•‡‹–Š‡”–Š‡‡ƒ•—”‡‡–‘ˆ–Š‡•’‡…‹ϐ‹…‡ˆϐ‹…‹‡…›‘ˆ‹†‹˜‹†—ƒŽ ‡“—‹’‡–•‘”’”‘…‡••‡•‘”†‡†‹…ƒ–‡†‡ƒ•—”‡‡–•‘ˆ–Š‡…‘’Ž‡šϐŽ‘™ƒ†”‡…›…Ž‹‰‘ˆƒ–‡”‹ƒŽ• ƒ†™ƒ•–‡Š‡ƒ–Ǥ –Š‹•™ƒ›ǡ–Š‡…ƒŽ…—Žƒ–‹‘‡–Š‘†‡•—”‡•‹–••‹’Ž‹…‹–›ƒ†—‹˜‡”•ƒŽƒ’’Ž‹…ƒ„‹Ž‹–› without requiring steel plants to install additional dedicated measuring devices or to collect additional †‡†‹…ƒ–‡††ƒ–ƒ‘–Š‡”–Šƒ…‘‘Ž›—•‡††ƒ–ƒ‹–Š‡ƒƒ‰‡‡–‘ˆ’Žƒ–•Ǥ‘™‡˜‡”ǡ„‡…ƒ—•‡†‹ˆˆ‡”‡– ”‡‰‹‘•Šƒ˜‡†‹ˆˆ‡”‡–‡‡”‰›•‘—”…‡•ƒ†”ƒ™ƒ–‡”‹ƒŽ•ƒ˜ƒ‹Žƒ„Ž‡–‘–Š‡ǡ–Š‡”‡•—Ž–‹‰…ƒŽ…—Žƒ–‹‘• cannot be used to determine a benchmark or best in class across regions ‹–Š–Š‹•‡–Š‘†ǡƒ•–‡‡Ž…‘’ƒ›…ƒ…ƒŽ…—Žƒ–‡ƒ•‹‰Ž‡ϐ‹‰—”‡ˆ‘”–Š‡2‡‹••‹‘•‹–‡•‹–›‘ˆƒ’Žƒ– ƒ•ƒ™Š‘Ž‡Ǥ•™ƒ•‡š’Žƒ‹‡†‡ƒ”Ž‹‡”ǡ‘•–•–‡‡Ž’Žƒ–•ƒ—ˆƒ…–—”‡˜ƒ•–”ƒ‰‡‘ˆ’”‘†—…–•™‹–Š˜ƒ”‹‘—• •Šƒ’‡•ƒ†•’‡…‹ϐ‹…ƒ–‹‘•ǤŠ‹•…ƒŽ…—Žƒ–‹‘‡–Š‘†‡•—”‡•–Š‡•‹’Ž‹…‹–›ƒ†—‹˜‡”•ƒŽƒ’’Ž‹…ƒ„‹Ž‹–› „›‘–ƒ……‘‘†ƒ–‹‰–Š‡†‹ˆˆ‡”‡…‡•‹–Š‡’”‘†—…–‹‘’”‘…‡••‡•‘ˆ•—…Š†‹˜‡”•‡’”‘†—…–•ǡƒ†–”‡ƒ–• v © ISO 2013 – All rights reserved Copyright International Organization for Standardization Provided by IHS under license with ISO No reproduction or networking permitted without license from IHS Licensee=University of Alberta/5966844001, User=sharabiani, shahramfs Not for Resale, 11/30/2013 22:34:58 MST ISO 14404-1:2013(E) ``,`,,,,,,`,,,`,``,,`,,```,`,`-`-`,,`,,`,`,,` - a whole steel plant as one unit with one CO2‡‹••‹‘‹–‡•‹–›ǤŠ‡”‡ˆ‘”‡ǡ–Š‹•…ƒŽ…—Žƒ–‹‘‡–Š‘†‹• ‘–ƒ’’Ž‹…ƒ„Ž‡ˆ‘”…ƒŽ…—Žƒ–‹‰ƒ††‡–‡”‹‹‰–Š‡…ƒ”„‘ˆ‘‘–’”‹–‘ˆƒ›•’‡…‹ϐ‹…•–‡‡Ž’”‘†—…–ǤŽ•‘ǡ ƒ†ˆ‘”–Š‹•”‡ƒ•‘ǡ–Š‹•‡–Š‘†…ƒ„‡—•‡†‡‹–Š‡”ˆ‘”‡•–ƒ„Ž‹•Š‹‰…ƒ’•‘”„‡…Šƒ”•ˆ‘”‡‹••‹‘• —†‡”‡‹••‹‘•–”ƒ†‹‰•…Š‡‡‹ƒ›•’‡…‹ϐ‹…Ž‘…ƒŽ‘””‡‰‹‘ƒŽ‡…‘‘‹…•›•–‡ǡ‘”ˆ‘”–Š‡‰‡‡”ƒ–‹‘ of CO2 data that would allow a comparison of CO2 intensities of production processes that are operated inside the site vi Copyright International Organization for Standardization Provided by IHS under license with ISO No reproduction or networking permitted without license from IHS © ISO 2013 – All rights reserved Licensee=University of Alberta/5966844001, User=sharabiani, shahramfs Not for Resale, 11/30/2013 22:34:58 MST INTERNATIONAL STANDARD ISO 14404-1:2013(E) Calculation method of carbon dioxide emission intensity from iron and steel production — Part 1: Steel plant with blast furnace Scope Š‹• ’ƒ”– ‘ˆ  ͳͶͶͲͶ •’‡…‹ϐ‹‡• …ƒŽ…—Žƒ–‹‘ ‡–Š‘†• ˆ‘” –Š‡ …ƒ”„‘ †‹‘š‹†‡ ȋ2Ȍ ‹–‡•‹–› ‘ˆ ’Žƒ– where steel is produced through a blast furnace  Š‡•–‡‡Ž’Žƒ–‹•‰‡‡”ƒŽŽ›…ƒŽŽ‡†Dz–Š‡‹–‡‰”ƒ–‡†•–‡‡Ž™‘”•dzǤ –‹…Ž—†‡•„‘—†ƒ”›†‡ϐ‹‹–‹‘ǡƒ–‡”‹ƒŽƒ†‡‡”‰›ϐŽ‘™†‡ϐ‹‹–‹‘ƒ†‡‹••‹‘ˆƒ…–‘”‘ˆ2 Besides direct •‘—”…‡‹’‘”––‘–Š‡„‘—†ƒ”›ǡ—’•–”‡ƒƒ†…”‡†‹–…‘…‡’–‹•ƒ’’Ž‹‡†–‘‡šŠ‹„‹––Š‡’Žƒ–2‹–‡•‹–›Ǥ This part of ISO 14404 supports the steel producer to establish CO2 emissions attributable to a site This part of ISO 14404 cannot be used to calculate benchmarks or to compare CO2 intensities of production processes that are operated inside the site ‘˜‡”•‹‘–‘‡‡”‰›…‘•—’–‹‘ƒ†–‘…‘•—’–‹‘‡ˆϐ‹…‹‡…›…ƒ„‡‘„–ƒ‹‡†—•‹‰Annex A ʹ ‡”•ƒ††‡ϐ‹‹–‹‘• ‘”–Š‡’—”’‘•‡•‘ˆ–Š‹•†‘…—‡–ǡ–Š‡ˆ‘ŽŽ‘™‹‰–‡”•ƒ††‡ϐ‹‹–‹‘•ƒ’’Ž›Ǥ 2.1 Emissions 2.1.1 emission source process emitting CO2 during production of steel products ‘–‡ͳ–‘‡–”›ǣŠ‡”‡ƒ”‡–Š”‡‡…ƒ–‡‰‘”‹‡•‘ˆ2‡‹••‹‘•‘—”…‡•ǣ†‹”‡…–ǡ—’•–”‡ƒƒ†…”‡†‹–Ǥšƒ’Ž‡•‘ˆ ‡‹••‹‘•‘—”…‡•–Šƒ–ƒ”‡•—„Œ‡…––‘–Š‹•’ƒ”–‘ˆ