标准编号:	GB 28665-2012
中文名称:	轧钢工业大气污染物排放标准
英文名称:	Emission Standard of Air Pollutants for Steel Rolling Industry
中标分类:	Z60    污染物排放综合
行业分类:	GB    国家标准
发布机构:	国家质量监督检验检疫总局, 国家标准委
发布日期:	June 27, 2012
实施日期:	2012-10-1
标准状态:	被替代
被新标准替代:	GB 28665-2012/XG1-2020 《轧钢工业大气污染物排放标准》行业标准第1号修改单
被替代日期:	2021-1-8
翻译语言:	英文
文件格式:	PDF
中文字符数:	6,000 字
翻译价格(元):	420.00 元
交付时间:	付款后 1 个工作日

Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative.

This standard is formulated with a view to implementing the laws and regulations such as "Environmental Protection Law of the People's Republic of China", "Law on Prevention of Air Pollution of the People's Republic of China", "Marine Environment Protection Law of the People's Republic of China" and "Decision of the State Council on Implementing the Scientific View of Development and Strengthening Environmental Protection" and "State Council on the Views of Compiling the Main Part Functional District Planning", protecting the environment, preventing pollution, improving the production process of steel rolling industry and pollution treatment technology.

This standard specifies the monitoring and controlling requirements as well as the emission limit of air pollutants for steel rolling manufacturer. This standard specifies the special emission limits of air pollutants in order to accelerate the harmonious development of regional economy and environment, push on the adjustment of economic structure and the transformation of economic growth and guide the trend of production process and pollution treatment technology for steel rolling industry.

The water pollutants, odor pollutants and ambient noise discharged by steel rolling manufacturer shall meet the requirements of corresponding national standards for the pollutants emission; the identification, processing and treatment of solid waste shall meet the requirements of relevant national solid waste pollution control standards.

This standard is issued for the first time.

From the implementation date of this standard, the steel rolling manufacturers shall control the emission of air pollutants in accordance with this standard rather than the relevant requirements of "Integrated Emission Standards of Air Pollutants" (GB 16297-1996) and "Standard of Air Pollutants for Industrial Kiln and Furnace" (GB 9078-1996).

As for the pollutant items which is not specified in this standard, the provincial people's government may develop local standards for the pollutants emission; and as for the pollutant items which has been specified in this standard, local standard for the pollutants emission which is more severe than this standard may also be developed.

This standard is formulated under the organization of Technology and Standards of the Ministry of Environmental Protection.

Drafting organization of this standard: Baoshan Iron & Steel Co., Ltd., Environmental Standards Institute of Ministry of Environmental Protection.

This standard is approved by Ministry of Environmental Protection on June 15, 2012.

This standard is implemented from October 1, 2012.

This standard is under the explanation of Ministry of Environmental Protection.

Contents



1 Scope 1

2 Normative References 1

3 Terms and Definitions 2

4 Emission Control Requirements of Air Pollutants 3

5 Requirements of Air Pollutants Monitoring 6

6 Implementation and Supervision 8





Emission Standard of Air Pollutants for Steel Rolling Industry

轧钢工业大气污染物排放标准



1 Scope



This standard specifies the monitoring and controlling requirements and emission limit of air pollutants for steel rolling manufacturer or production facilities, as well as specifications concerned about the implementation and supervision of standard.

This standard is applicable to the air pollutants emission management of steel rolling manufacturer or production facilities, environmental impact assessment of steel rolling industry construction project, design of environment protection facilities, acceptance of environmental protection after completion and the air pollutants emission management after the start of production.

This standard is applicable to the pollutant emission allowed by law; the site selection of newly-built pollution source and the management of existing pollution source in the special protection zone shall be carried out according to the relevant laws, regulations and rules such as "Law on Prevention of Air Pollution of the People's Republic of China", "Law of the People's Republic of China on Prevention and Control of Water Pollution", "Marine Environment Protection Law of the People's Republic of China", "Law of the People's Republic of China on Prevention of Environmental Pollution Caused by Solid Waste" and "Law of the People's Republic of China on Environmental Impact Assessment".



2 Normative References



Provisions in the following standards are quoted herein.

GB/T 15432-1995 Ambient Air - Determination of Total Suspended Particulates - Gravimetric Method

GB/T 16157-1996 The Determination of Particulates and Sampling Methods of Gaseous Pollutants Emitted from Exhaust Gas of Stationary Source

HJ/T 27-1999 Stationary Source Emission - Determination of Hydrogen Chloride - Mercuric Thiocyanate Spectrophotometric Method

HJ/T 29-1999 Stationary Source Emission - Determination of Chromate Fog - Diphenyl Carbazide Spectrophotometric Method

HJ/T 38-1999 Stationary Source Emission - Determination of Nonmethane Hydrocarbons -Gas Chromatography

HJ/T 42-1999 Stationary Source Emission - Determination of Nitrogen Oxide - Ultraviolet Spectrophotometric Method

HJ/T 43-1999 Stationary Source Emission - Determination of Nitrogen Oxid - N(1-Naphtye) - Ethylenediamine Dihydrochloride Spectrophotometric Method

HJ/T 56-1999 Determination of Sulphur Dioxide from Exhausted Gas of Stationary Source - Iodine Titration Method

HJ/T 57-1999 Determination of Sulphur Dioxide from Exhausted Gas of Stationary Source - Fixed-Potential Electrolysis Method

HJ/T 67-1999 Stationary Source Emission - Determination of Fluoride - Ion Selective Electrode Method

HJ/T 397-2007 Technical Specifications for Emission Monitoring of Stationary Source

HJ 544-2009 Stationary Source Emission - Determination of Sulfuric Acid Mist - Ion Chromatography Method (Temporary)

HJ 548-2009 Stationary Source Emission - Determination of Hydrogen Chloride - Silver Nitrate Volumetric Method (Temporary)

HJ 549-2009 Air and Exhaust Gas - Determination of Hydrogen Chloride - Ion Chromatography Method (Temporary)

HJ 583-2010 Ambient Air - Determination of Benzene and Its Analogies Using Sorbent Adsorption Thermal Desorption and Gas Chromatography

HJ 584-2010 Ambient Air - Determination of Benzene and Its Analogies by Activated Charcoal Adsorption Carbon Disulfide Desorption and Gas Chromatography

"Management Method on Automatic Supervisory Control of Pollution Source" (No. 28 Document issued by State Environmental Protection Administration of the People's Republic of China)

"Management Method for Environmental Monitoring" (No. 39 Document issued by State Environmental Protection Administration of the People's Republic of China)



3 Terms and Definitions



The following terms and definitions apply.

3.1 Steel Rolling

The process that the steel billet is heated and hot rolled or the steel plate is cold rolled to the required final steel. This standard also contains the manufacturing procedure of steels coated with metallic or non-metallic materials.

3.2 Existing Enterprises

The steel rolling manufacturer or facilities under operation or having passed through the environmental impact assessment before the implementation date of this standard.

3.3 New Enterprises

The newly-built, rebuilt and extended steel rolling construction projects, which has passed through the environmental impact assessment from the implementation date of this standard.

3.4 Standard State

The state when the temperature is 273.15K and the pressure is 101325Pa. The air pollutants emission concentration specified in this standard are all based on the dry gas under standard state.

3.5 Heat Treatment Furnace

The thermal equipment to heat the steels with some medium to the required temperature to change the steels' surface or the internal structural performance under the actions of different insulation and cooling methods; examples of such furnace are: heating furnace, annealing furnace, normalizing furnace, tempering furnace, maintaining furnace (pit), quenching furnace, solid solution furnace, aging furnace and hardening and tempering furnace.

3.6 Particulates

A generic term of furnace fume and industrial dust emission in production.

3.7 Height of Exhaust Funnel

The distance from the ground level where the exhaust funnel (or its main building construction) is located to the outlet of exhaust funnel; the unit is m.



4 Emission Control Requirements of Air Pollutants



4.1 In the duration from October 1, 2012 to December 31, 2014, the existing enterprises implement the emission limits specified in Table 1.

Table 1 Limit of Air Pollutants Emission Concentration for Existing Enterprises In mg/m3

No. Pollutant Production process or facility Limit Position for pollutant emission monitoring

1 Particulates Hot finisher 50 Exhaust funnel for plant or production facility

Waste acid regeneration 30

Heat treatment furnace, withdrawing-straightening machine, finishing machine, shot blasting machine, grinding machine, welding machine and others 30

2 Sulfur dioxide Heat treatment furnace 250

3 Nitric oxides (calculated in NO2) Heat treatment furnace 350

4 Hydrogen chloride Pickling line 30

Waste acid regeneration 50

5 Sulfuric acid mist Pickling line 20

6 Mist of chromic acid Coating set, pickling line 0.07

7 Nitric acid mist Pickling line and waste acid regeneration 240

8 Fluorine compound Pickling line and waste acid regeneration 9.0

9 Benxol (1) Coating set 10

10 methylbenzene

40

11 dimethylbenzene 70

12 Non-methane hydrocarbon 100

Note: (1) Implementation is carried out after the release of national pollutant surveillance method standard.

4.2 From January 1, 2015, the existing enterprises implement the emission limits specified in Table 2.

4.3 From October 1, 2012, the new enterprises implement the emission limits specified in Table 2.

Table 2 Limit of air pollutants emission concentration for New enterprises In mg/m3

No. Pollutant Production process or facility Limit Position for pollutant emission monitoring

1 Particulates Hot finisher 30 Exhaust funnel for plant or production facility

Waste acid regeneration 30

Heat treatment furnace, withdrawing-straightening machine, finishing machine, shot blasting machine, grinding machine, welding machine and others 20

2 sulfur dioxide Heat treatment furnace 150

3 Nitrogen oxides ( calculated with NO2 ) Heat treatment furnace 300

4 Hydrogen chloride Pickling line 20

Waste acid regeneration 30

5 Sulfuric acid mist Pickling line 10

6 Mist of chromic acid Coating set and pickling line 0.07

7 Mist of nitric acid Pickling line 150

Waste acid regeneration 240

8 Fluorine compound Pickling line 6.0

Waste acid regeneration 9.0

9 Alkali mist (1) Derosination 10

10 Oil mist (1) Rolling set 30

11 Benxol (1) Coating set 8.0

12 Methylbenzene 40

13 Dimethylbenzene 40

14 Non-methane hydrocarbon 80

Note: (1) Implementation is carried out after the release of national pollutant surveillance method standard.

4.4 Corporate pollutant emission behavior shall be controlled strictly in the areas where the density of land development is relatively high, the load bearing capacity of the environment starts to reduce or the environmental capacity is relatively small and the ecological environment is vulnerable, and where environmental pollution problems easily occur so special protection measures shall be taken. The enterprises in these areas shall implement the special emission limits of water pollutants specified in Table 3.

The specific territorial scope implementing special emission limits of water pollutants and the implementation time shall be specified by the environmental protection administration department of the State Council or provincial people's government.



Table 3 Special Emission Limits of Air Pollutants In mg/m3

No. Pollutants Production process or facility Limit Position of the pollutant emission monitoring

1 Particulates Hot finisher 20 Exhaust funnel for plant or production facility

Waste acid regeneration 30

Heat treatment furnace, withdrawing-straightening machine, finishing machine, shot blasting machine, grinding machine, welding machine and others 15

2 sulfur dioxide Heat treatment furnace 150

3 Nitric oxides (calculated in NO2) Heat treatment furnace 300

4 Hydrogen chloride Pickling line 15

Waste acid regeneration 30

5 Sulfuric acid mist Pickling line 10

6 Mist of chromic acid Coating set and pickling line 0.07

7 Mist of nitric acid Pickling line 150

Waste acid regeneration 240

8 Fluorine compound Pickling line 6.0

Waste acid regeneration 9.0

9 Alkali mist (1) Derosination 10

10 Oil mist (1) Rolling set 20

11 Benxol (1) Coating set 5.0

12 Methylbenzene 25

13 Dimethylbenzene 40

14 Non-methane hydrocarbon 50

Note: (1) Implementation is carried out after the release of national pollutant surveillance method standard.

4.5 The inorganization emission shall be carried out as those specified in Table 4.

Table 4 Limit of Inorganization Emission Concentration for Existing and New Enterprises In: mg/m3

No. Pollutants Production process or facility Limit

1 Particulates Slab heating, grinding roller operation, steel strip coil finishing and acid regeneration baiting 5.0

2 Sulfuric acid mist Pickling line and waste acid regeneration 1.2

3 Hydrogen chloride 0.2

4 Mist of nitric acid 0.12

5 Benzol Coating set 0.4

6 Methylbenzene 2.4

7 Dimethylbenzene 1.2

8 Non-methane hydrocarbon 4.0

4.6 Environmental protection administration department in charge of supervision and control shall supervise the environment quality of the sensitive areas used for accommodation, teaching and medical treatment in the operation of the existing plant and the environmental protection acceptance for the completed construction project and the subsequent operational process. The specific monitoring range of construction project is the surrounding sensitive areas for environmental impact assessment; as for the existing enterprises for which the environmental impact assessment has never been carried out, the monitoring range shall be determined by the responsible environmental protection administration department, based on the emission characteristics and rules of the enterprise, local natural and meteorological conditions as well as the relevant environmental impact assessment technical guide. The local government shall be responsible for the environmental quality of the area under its administration and shall take measures to make the environmental condition meet the requirements of environmental quality standards.

4.7 The production process device generating air pollutants must be provided with partial gas collection system and centralized purifying treatment device to make the emission up to the standard. The height of all exhaust funnels shall not be less than 15m. Where buildings exist within 200m from exhaust funnel, the exhaust funnel shall be 3m higher than the building.

Contents
1 Scope
2 Normative References
3 Terms and Definitions
4 Emission Control Requirements of Air Pollutants
5 Requirements of Air Pollutants Monitoring
6 Implementation and Supervision

ICS
Z 63

中华人民共和国国家标准
GB 28665—2012







轧钢工业大气污染物排放标准
Emission standard of air pollutants for steel rolling industry
（发布稿）
本电子稿为发布稿。请以中国环境科学出版社出版的正式标准文本为准。




2012-06-27发布 2012-10-01实施

环 境 保 护 部
发布
国家质量监督检验检疫总局

前 言
为贯彻《中华人民共和国环境保护法》、《中华人民共和国大气污染防治法》、《中华人民共和国海洋环境保护法》、《国务院关于落实科学发展观加强环境保护的决定》等法律、法规和《国务院关于编制全国主体功能区规划的意见》，保护环境，防治污染，促进轧钢工业生产工艺和污染治理技术的进步，制定本标准。
本标准规定了轧钢生产企业的大气污染物排放限值、监测和监控要求。为促进地区经济与环境协调发展，推动经济结构的调整和经济增长方式的转变，引导轧钢工业生产工艺和污染治理技术的发展方向，本标准规定了大气污染物特别排放限值。
轧钢生产企业排放的水污染物、恶臭污染物、环境噪声适用相应的国家污染物排放标准，产生固体废物的鉴别、处理和处置适用国家固体废物污染控制标准。
本标准为首次发布。
自本标准实施之日起，轧钢生产企业大气污染物的排放控制按本标准的规定执行，不再执行《大气污染物综合排放标准》(GB 16297-1996)和《工业炉窑大气污染物排放标准》(GB 9078-1996)中的相关规定。
地方省级人民政府对本标准未作规定的污染物项目，可以制定地方污染物排放标准；对本标准已作规定的污染物项目，可以制定严于本标准的地方污染物排放标准。
本标准由环境保护部科技标准司组织制订。
本标准起草单位：宝山钢铁股份有限公司、环境保护部环境标准研究所。
本标准环境保护部2012年6月15日批准。
本标准自2012年10月1日起实施。
本标准由环境保护部解释。
轧钢工业大气污染物排放标准
1 适用范围
本标准规定了轧钢生产企业或生产设施的大气污染物排放限值、监测和监控要求，以及标准的实施与监督等相关规定。
本标准适用于现有轧钢生产企业或生产设施大气污染物排放管理，以及轧钢工业建设项目的环境影响评价、环境保护设施设计、竣工环境保护验收及其投产后的大气污染物排放管理。
本标准适用于法律允许的污染物排放行为；新设立污染源的选址和特殊保护区域内现有污染源的管理，按照《中华人民共和国大气污染防治法》、《中华人民共和国水污染防治法》、《中华人民共和国海洋环境保护法》、《中华人民共和国固体废物污染环境防治法》、《中华人民共和国环境影响评价法》等法律、法规、规章的相关规定执行。
2 规范性引用文件
本标准内容引用了下列文件中的条款。
GB/T 15432-1995环境空气 总悬浮颗粒物的测定 重量法
GB/T 16157-1996固定污染源排气中颗粒物测定与气态污染物采样方法
HJ/T 27-1999 固定污染源排气中氯化氢的测定硫氰酸汞分光光度法
HJ/T 29-1999 固定污染源排气中铬酸雾的测定 二苯基碳酰二肼分光光度法
HJ/T 38-1999 固定污染源排气中非甲烷总烃的测定 气相色谱法
HJ/T 42-1999 固定污染源排气中氮氧化物的测定 紫外分光光度法
HJ/T 43-1999 固定污染源排气中氮氧化物的测定 盐酸萘乙二胺分光光度法
HJ/T 56-1999 固定污染源排气中二氧化硫的测定 碘量法
HJ/T 57-1999 固定污染源排气中二氧化硫的测定 定电位电解法
HJ/T 67-1999 大气固定污染源氟化物的测定 离子选择电极法
HJ/T 397-2007 固定源废气监测技术规范
HJ 544-2009 固定污染源废气 硫酸雾测定 离子色谱法（暂行）
HJ 548-2009 固定污染源废气 氯化氢的测定 硝酸银容量法（暂行）
HJ 549-2009 环境空气和废气 氯化氢的测定 离子色谱法（暂行）
HJ 583-2010 环境空气 苯系物的测定 固体吸附/热脱附-气相色谱法
HJ 584-2010 环境空气 苯系物的测定 活性炭吸附/二硫化碳解吸-气相色谱法
《污染源自动监控管理办法》（国家环境保护总局令第28号）
《环境监测管理办法》（国家环境保护总局令第39号）
3 术语和定义
下列术语和定义适用于本标准。
3.1 轧钢
钢坯料经过加热通过热轧或将钢板通过冷轧轧制成所需要的成品钢材的过程。本标准也包括在钢材表面涂镀金属或非金属的涂、镀层钢材的加工过程。
3.2 现有企业
在本标准实施之日前，已建成投产或环境影响评价文件已通过审批的轧钢生产企业或生产设施。
3.3 新建企业
在本标准实施之日起，环境影响评价文件通过审批的新建、改建和扩建的轧钢工业建设项目。
3.4 标准状态
温度为273.15K，压力为101325Pa时的状态。本标准规定的大气污染物排放浓度均以标准状态下的干气体为基准。
3.5 热处理炉
将钢铁材料放在一定的介质中加热至一定的适宜温度并通过不同的保温、冷却方式来改变材料表面或内部组织结构性能的热工设备，包括加热炉、退火炉、正火炉、回火炉、保温炉（坑）、淬火炉、固溶炉、时效炉、调质炉等。
3.6 颗粒物
生产过程中排放的炉窑烟尘和生产性粉尘的总称。
3.7 排气筒高度
自排气筒（或其主体建筑构造）所在的地平面至排气筒出口计的高度，单位为m。
4 大气污染物排放控制要求
4.1 自2012年10月1日起至2014年12月31日止，现有企业执行表1规定的大气污染物排放限值。
表1 现有企业大气污染物排放浓度限值
单位：mg/m3
序号 污染物项目 生产工艺或设施 限值 污染物排放监控位置
1 颗粒物 热轧精轧机 50 车间或生产设施排气筒
废酸再生 30
热处理炉、拉矫、精整、抛丸、修磨、焊接机及其他生产设施 30
2 二氧化硫 热处理炉 250
3 氮氧化物（以NO2计） 热处理炉 350
4 氯化氢 酸洗机组 30
废酸再生 50
5 硫酸雾 酸洗机组 20
6 铬酸雾 涂镀层机组、酸洗机组 0.07
7 硝酸雾 酸洗机组及废酸再生 240
8 氟化物 酸洗机组及废酸再生 9.0
9 苯(1) 涂层机组 10
10 甲苯 40
11 二甲苯 70
12 非甲烷总烃 100
注：(1)待国家污染物监测方法标准发布后实施。
4.2 自2015年1月1日起，现有企业执行表2规定的大气污染物排放限值。
4.3 自2012年10月1日起，新建企业执行表2规定的大气污染物排放限值。
表2 新建企业大气污染物排放浓度限值
单位：mg/m3
序号 污染物项目 生产工艺或设施 限值 污染物排放监控位置
1 颗粒物 热轧精轧机 30 车间或生产设施排气筒
废酸再生 30
热处理炉、拉矫、精整、抛丸、修磨、焊接机及其他生产设施 20
2 二氧化硫 热处理炉 150
3 氮氧化物（以NO2计） 热处理炉 300
4 氯化氢 酸洗机组 20
废酸再生 30
5 硫酸雾 酸洗机组 10
6 铬酸雾 涂镀层机组、酸洗机组 0.07
7 硝酸雾 酸洗机组 150
废酸再生 240
8 氟化物 酸洗机组 6.0
废酸再生 9.0
9 碱雾(1) 脱脂 10
10 油雾(1) 轧制机组 30
11 苯(1) 涂层机组 8.0
12 甲苯 40
13 二甲苯 40
14 非甲烷总烃 80
注：(1)待国家污染物监测方法标准发布后实施。
4.4 根据环境保护工作的要求，在国土开发密度已经较高、环境承载能力开始减弱，或环境容量较小、生态环境脆弱，容易发生严重环境污染问题而需要采取特别保护措施的地区，应严格控制企业的污染物排放行为，在上述地区的企业执行表3规定的大气污染物特别排放限值。
执行大气污染物特别排放限值的地域范围、时间，由国务院环境保护行政主管部门或省级人民政府规定。
表3 大气污染物特别排放限值
单位：mg/m3
序号 污染物项目 生产工艺或设施 限值 污染物排放监控位置
1 颗粒物 热轧精轧机 20 车间或生产设施排气筒
废酸再生 30
热处理炉、拉矫、精整、抛丸、修磨、焊接机及其他生产设施 15
2 二氧化硫 热处理炉 150
3 氮氧化物（以NO2计） 热处理炉 300
4 氯化氢 酸洗机组 15
废酸再生 30
5 硫酸雾 酸洗机组 10
6 铬酸雾 涂镀层机组、酸洗机组 0.07
7 硝酸雾 酸洗机组 150
废酸再生 240
8 氟化物 酸洗机组 6.0
废酸再生 9.0
9 碱雾(1) 脱脂 10
10 油雾(1) 轧制机组 20
11 苯(1) 涂层机组 5.0
12 甲苯 25
13 二甲苯 40
14 非甲烷总烃 50
注：(1)待国家污染物监测方法标准发布后实施。
4.5 企业无组织排放执行表4规定的限值。
表4 现有和新建企业无组织排放浓度限值
单位：mg/m3
序号 污染物项目 生产工艺或设施 限值
1 颗粒物 板坯加热、磨辊作业、钢卷精整、酸再生下料 5.0
2 硫酸雾 酸洗机组及废酸再生 1.2
3 氯化氢 0.2
4 硝酸雾 0.12
5 苯 涂层机组 0.4
6 甲苯 2.4
7 二甲苯 1.2
8 非甲烷总烃 4.0
4.6 在现有企业生产、建设项目竣工环保验收及其后的生产过程中，负责监管的环境保护行政主管部门，应对周围居住、教学、医疗等用途的敏感区域环境空气质量进行监测。建设项目的具体监控范围为环境影响评价确定的周围敏感区域；未进行过环境影响评价的现有企业，监控范围由负责监管的环境保护行政主管部门，根据企业排污的特点和规律及当地的自然、气象条件等因素，参照相关环境影响评价技术导则确定。地方政府应对本辖区环境质量负责，采取措施确保环境状况符合环境质量标准要求。
4.7 产生大气污染物的生产工艺装置必须设立局部气体收集系统和集中净化处理装置，达标排放。所有排气筒高度应不低于15m。排气筒周围半径200m范围内有建筑物时，排气筒高度还应高出最高建筑物3m以上。
4.8 对于热处理炉排气，应同时对排气中氧含量进行监测，实测排气筒中大气污染物排放浓度应按公式(1)换算为含氧量8%状态下的基准排放浓度，并以此作为判定排放是否达标的依据。在国家未规定其他生产设施单位产品基准排气量之前，暂以实测浓度作为判定大气污染物排放是否达标的依据。
(1)
式中：C基——大气污染物基准排放浓度，mg/m3；
C实——实测排气筒中大气污染物排放浓度，mg/m3；
O实——实测的干烟气中含氧量百分率，%。
5 大气污染物监测要求
5.1 对企业排放废气的采样应根据监测污染物的种类，在规定的污染物排放监控位置进行，有废气处理设施的，应在该设施后监控。在污染物排放监控位置须设置永久性排污口标志。
5.2 新建企业和现有企业安装污染物排放自动监控设备的要求，按有关法律和《污染源自动监控管理办法》的规定执行。
5.3 对企业污染物排放情况进行监测的频次、采样时间等要求，按国家有关污染源监测技术规范的规定执行。
5.4 排气筒中大气污染物的监测采样按GB/T 16157、HJ/T 397规定执行。
5.5 大气污染物无组织排放的采样点设在生产厂房门窗、屋顶、气楼等排放口处，并选浓度最大值。若无组织排放源是露天或有顶无围墙，监测点应选在距烟（粉）尘排放源5m，最低高度1.5m处任意点，并选浓度最大值。无组织排放监控点的采样，采用任何连续1h的采样计平均值，或在任何1h内，以等时间间隔采集4个样品计平均值。
5.6 企业应按照有关法律和《环境监测管理办法》的规定，对排污状况进行监测，并保存原始监测记录。
5.7 对大气污染物排放浓度的测定采用表5所列的方法标准。
表5 大气污染物浓度测定方法标准
序号 污染物项目 方法标准名称 方法标准编号
1 颗粒物 固定污染源排气中颗粒物测定与气态污染物采样方法 GB/T 16157-1996
环境空气 总悬浮颗粒物的测定 重量法 GB/T 15432-1995
2 二氧化硫 固定污染源排气中二氧化硫的测定 碘量法 HJ/T 56—1999
固定污染源排气中二氧化硫的测定 定电位电解法 HJ/T 57—1999
3 氮氧化物 固定污染源排气中氮氧化物的测定 紫外分光光度法 HJ/T 42—1999
固定污染源排气中氮氧化物的测定 盐酸萘乙二胺分光光度法 HJ/T 43—1999
4 铬酸雾 固定污染源排气中铬酸雾的测定 二苯基碳酰二肼分光光度法 HJ/T 29—1999
5 氯化氢 固定污染源排气中氯化氢的测定 硫氰酸汞分光光度法 HJ/T 27—1999
固定污染源废气 氯化氢的测定 硝酸银容量法（暂行） HJ 548-2009
环境空气和废气 氯化氢的测定 离子色谱法（暂行） HJ 549-2009
6 硫酸雾 固定污染源废气 硫酸雾测定 离子色谱法（暂行） HJ 544—2009
7 硝酸雾 固定污染源排气中氮氧化物的测定 紫外分光光度法 HJ/T 42—1999
固定污染源排气中氮氧化物的测定 盐酸萘乙二胺分光光度法 HJ/T 43—1999
8 氟化物 大气固定污染源 氟化物的测定 离子选择电极法 HJ/T 67—2001
9 苯、甲苯及二甲苯 环境空气 苯系物的测定 固体吸附/热脱附-气相色谱法 HJ 583—2010
环境空气 苯系物的测定 活性炭吸附/二硫化碳解吸-气相色谱法 HJ 584—2010
10 非甲烷总烃 固定污染源排气中非甲烷总烃的测定 气相色谱法 HJ/T 38-1999
6 实施与监督
6.1 本标准由县级以上人民政府环境保护行政主管部门负责监督实施。
6.2 在任何情况下，企业均应遵守本标准规定的大气污染物排放控制要求，采取必要措施保证污染防治设施正常运行。各级环保部门在对企业进行监督性检查时，可以现场即时采样或监测的结果，作为判定排污行为是否符合排放标准以及实施相关环境保护管理措施的依据。



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