AP 42 Nchịkọta nke Ihe Mmiri Na-emetọ Mmiri
AP 42 Compilation of Air Pollutant Emission Factors bụ nchịkọta nke US Environmental Protection Agency (EPA)'s ozi ihe na-emepụta ihe na mmetọ ikuku, nke mbụ e bipụtara n'afọ 1968. , N'ebe afọ 2018, mbipụta ikpeazụ bụ nke ise site na afọ 2010.

Akụkọ ihe mere eme 
AP 42 Compilation of Air Pollutant Emission Factors bụ nchịkọta nkè ihe ndị na-emetọ ikuku, n'ikwu ya n'ụzọ ọzọ, ọnụọgụ nke na-emetụta ọnụọgụ mmetọ a tọhapụrụ n'ime ikuku gburu-gburu na ọrụ ụfọdụ. Ọ bụ US Public Health Service chịkọtara ma bipụta nchịkọta a n'afọ 1968. N'afọ 1972, e dezigharịrị ya ma nyé ya dị ka mbipụta nké abụọ site na US Environmental Protection Agency EPA. 
N'afọ 1985, e kewara mbipụta nke anọ sochirinụ n'ime mpịakọta abụọ: Mpịakọta nke Mbụ etinyela ihe ndị na-eme kà ihe na-eme na mpaghara, na Mpịakọ nke Abụọ gụnyere ihe ndị na'ime ihe na-emepụta ihe. Mpịakọta nké mbụ dị ugbu a na mbipụta ya nké ise ma dị na Ịntanetị. 
Mpịakọta nke Abụọ anaghịzi edebe dị ka nke a, mana ụdị mgbasa ikuku n'okporo ụzọ maka ịtụle ikuku sitere na ụgbọ ala na-aga n'okporong ụzọ na site na ụgbọ ala ndị na-abụghị n'okpọ ụzọ na ngwá ọrụ mkpanaka dị na Ịntanetị.

N'iji ya eme ihe mgbè niile, a na-akpọkarị Mpịakọta nké mbụ nkè nchịkọta ihe na-emepụta ihe dịka AP 42.

Ihe ndị dị n'ime 
A na-egosipụtakarị ihe ndị na-emetọ ikuku dị ka ịdị arọ nke mmetọ kewara site na ịdị arọ, olu, ányá, ma ọ bụ ógè ọrụ na-ewepụta mmetọ (dịka, kilogram nke ihe na-emetụta kwa megagram nke coal ọkụ). Ihe ndị a na-enyere aka ịtụle ikuku sitere na isi mbido dị íchè íchè nke mmetọ ikuku. N'ọtụtụ ọnọdụ, ihe ndị ahụ bụ naanị nkezi nke data niile dịnụ nke àgwà a na-anabata, a na-ewère ya na ọ na-anọchite anya nkezi ogologo ógè. 

Usoro màkà atụmatụ nke ikuku tupu etinye ákà na njikwa mbelata ikuku bụ:

 E = A × EF

na màkà ikuku na-esi n'ụgbọ mmiri apụta mgbè a na-etinye njikwa mbelata:

 E = A × EF × (1-ER/100)

Ndị na-emepụta ikuku na ndị ọzọ na-eji ihe ndị na-emepụta ihe na-emetọ ikuku na-eji eme ihe iji chọpụta ọnụọgụ nke ikuku na-emetụta site na isi mbido n'ime ụlọ ọrụ mmepụta ihe. [pe 

Isi nke isé, Nkebi nke 5.1 "Petroleum Refining" na-atụle ikuku na-emetọ ikuku site na ngwá ọrụ dị íchè íchè na-emepụta refinery nakwa site na ndị na-emepụta mmiri na-esi ísì ụtọ, ọkụ na injin, na Tebụl 5.1.1 gụnyere ihe ndị dị mkpa. Tebụl 5.1.2 na-agụnye ihe ndị na-emepụta ikuku màkà ikuku na-emetọ ikuku site na nnukwu ụlọ elu na-ekpo ọkụ na refineries na site na mmanụ / mmiri nkewa eji agwọ mmiri mkpofu refinery.

Ihe ndị ọzọ na-akpata ihe ndị na-emepụta ikuku 

 The Global Atmospheric Pollution (GAP) Forum Air Pollutant Emissions Inventory Manual, Stockholm Environment Institute, Version 1.7, October 2010 sei-international.org.
 Ebe nchekwa data nke ihe na-eme ka ikuku na-esi na United Kingdom echekwara na 2010.National Atmospheric Emissions Inventory UK
 Akwụkwọ ntuziaka nke Emission Inventory. EMEP/European Environment Agency 2007 Guidebook, e mezigharịrị ya na 2016
 Ihe ndị na-emepụta ikuku IPCC Database 2006, Ntuziaka IPCC maka National Greenhouse Gas Inventories Revised 1996 .
 Mgbasa ikuku na-agbapụ site na ethylene na ụlọ ọrụ kemịkal ndị ọzọ na-agbapụta na 2002.
 Emissions Estimation Technique Manuals (94 ụdị) Australian National Pollutant Inventory, 2006.
 Canadian Greenhouse Gas Inventory Methodologies [permanent dead link]. 2016 Air Pollutant Emission Inventory report: annex 2 - inventory development: part 1 National Air Pollution Surveillance Program, (Canada) 2018-05-29, natara 2018-07-13
 Sangea - Greenhouse Gas Emission Estimation Software American Petroleum Institute, 2012 site na Trinity Consultants/T3.
 Greenhouse Gas Emission Estimation Methodologies Mining Association Of Canada, 2000, The Pembina Institute, na Stratos Inc.
 Air Pollutant Emission Factor Library Finnish Environment Institute, natara 2018-07-13. (gụnyere ozi sitere na EMEP/EEA Guidebook nke 2016)

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