Level 1 Air Pollution Level 2 Level 3

Level 1 Air Pollution Level 2 Level 3, Total:83 items.

The international standard classification for "Level 1 Air Pollution Level 2 Level 3" includes: Compressors and pneumatic machines , Ambient atmospheres , Farming and forestry , Chemical reagents , Geology. Meteorology. Hydrology , Aerospace fluid systems and components .

The Chinese standard classification for "Level 1 Air Pollution Level 2 Level 3" includes: Compressor and fan , Basic standards and general methods on chemical fertilizers , Basic standards and general methods , Chemical reagent in general , Aerospace hydraulic elements and accessories .

Guangdong Provincial Standard of the People's Republic of China

DB44/T 350-2006 Rank Partition of the Resistance of Urban Greening Trees to Air Pollution

中国气象局

QX/T 413-2018 Grades of air pollution diffusion meteorological conditions

Shaanxi Provincial Standard of the People's Republic of China

DB/6100 ×67 032~033-1988 Black fungus shiitake mushrooms one, two and three species

Shanxi Provincial Standard of the People's Republic of China

DB14/T 2838-2023 Classification of meteorological conditions for ozone pollution

Professional Standard - Traffic

JT 2011-1991 Grade Standards for Ship Oil Pollution Accidents
JT/T 458-2001 Classification for oil pollution accidents from ships

Professional Standard - Nuclear Industry

EJ/T 417-1989 300 MW PWR nuclear power plant safety secondary pumps and tertiary pump packaging technical conditions
EJ/T 454-1989 300,000-kilowatt pressurized water reactor nuclear power plant primary circuit main and auxiliary system safety first-level, second-level and third-level piping installation technical conditions

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

GB/T 13277.1-2008 Compressed air - Part 1：Contaminants and purity classes
GB/T 13277.1-2023 Compressed air—Part 1：Contaminants and purity classes

Group Standards of the People's Republic of China

T/SEESA 002-2021 Grade Evaluation Method for The Third Party Environmental Treatment Service Institution
T/CGXH 007-2021 Village-level industrial park upgrading and transformation model first-level and second-level linkage development
T/SPPATJ 001-2024 Emergency pollution removal capacity requirements for ship pollution removal units, configuration and evaluation (level 1)
T/GIEHA 002-2017 Indoor environmental purification and treatment agency qualification level
T/CNFAGS 7-2023 Clean production level classification standards for natural gas, coke oven gas to produce synthetic ammonia, and urea industries (air pollutants)
T/CNFAGS 1-2021 Cleaner production classification standard for coal based synthetic ammonia and area industry (air pollutants)
T/CAQI 33-2017 Graduation for gaseous pollutants purifying performance of air cleaner Part 1：Formaldehyde

Taiwan Provincial Standard of the People's Republic of China

CNS 7802-1998 Nuclear - Grade Gadolinium Oxide (Gd2O3) Powder

Military Standard of the People's Republic of China-Commission of Science,Technology and Industry for National Defence

GJB 420B-2006 Solid particle contamination classes for fluid of aviation

Military Standard of the People's Republic of China-General Armament Department

GJB 420B-2015 Classification of Solid Contamination Degree of Aviation Working Fluids

Professional Standard - Aviation

HB 8461-2014 Contamination classification for hydraulic fluid of civil aircraft

Professional Standard - Electricity

DL/T 1978-2019 Particulate contamination classification for electric power oil

Professional Standard - Agriculture

NY/T 1262-2007 Grading Agricultural Environmental Pollution Accident
空气和废气监测分析方法 3.1.1-2003 Part Three Air Quality Monitoring Chapter One Gaseous Inorganic Pollutant—Sulfur Dioxide
空气和废气监测分析方法 3.1.12-2003 Part Three Air Quality Monitoring Chapter One Gaseous Inorganic Pollutant Dodeca Chlorine
空气和废气监测分析方法 3.1.3-2003 Part Three Air Quality Monitoring Chapter One Gaseous Inorganic Pollutant Trioxide Nitrogen Dioxide

Sichuan Provincial Standard of the People's Republic of China

DB51/T 2813-2021 Technical regulations for the production of first-class and second-class seed potatoes

Professional Standard - Chemical Industry

HG/T 3776-2005 Feed grade mono-dicalcium phosphate

中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会

GB/T 34299-2017 Grads of atmospheric self-purification capability

Professional Standard - Aerospace

QJ 2724.1-1995 Aerospace Hydraulic Pollution Control - Coding Method for Pollution Grade of Solid Particle in Working Liquid

HU-MSZT

MSZ KGST 1366-1978 Classification of pollutants emitted by air pollution sources

VDI - Verein Deutscher Ingenieure

VDI 2467 Blatt 2-1989 Gaseous air pollution measurement; measurement of primary and secondary aliphatic amines by means of the high performance liquid chromatography (HPLC)
VDI 2467 Blatt 1-1989 Gaseous air pollution measurement; measurement of the concentration of primary and secundary amines by thin-layer chromatography; visual and densitometric method

SCC

MIL MIL-DTL-14639/42B-2010 Insignia, Rank, Warrant Officer WO1 and Chief Warrant Officers CW2, CW3 and CW4, U.S. Army
MIL MIL-DTL-14639/42C-2015 Insignia, Rank, Warrant Officer WO1 and Chief Warrant Officers CW2, CW3 and CW4, U.S. Army
MIL MIL-DTL-14639/42D-2020 Insignia, Rank, Warrant Officer WO1 and Chief Warrant Officers CW2, CW3 and CW4, U.S. Army
BS ISO 8573-1:2001 Compressed air-Contaminants and purity classes
MIL MIL-DTL-14639/42A-1998 INSIGNIA, RANK, WARRANT OFFICER WO1 AND CHIEF WARRANT OFFICERS CW2, CW3 AND CW4, ARMY (SUPERSEDING MIL-DTL-14639/42)
DANSK DS/EN 13717:2003 Surface active agents - Determination of primary, secondary and tertiary amino nitrogen - Potentiometric titration
DANSK DS/EN ISO 9702:1998 Plastics - Amine epoxide hardeners - Determination of primary, secondary and tertiary amine group nitrogen content
NS-EN 13717:2002 Surface active agents — Determination of primary, secondary and tertiary amino nitrogen — Potentiometric titration
ASTM STP 1338-98 Superfund Risk Assessment in Soil Contamination Studies, 3rd Volume
AWWA MTC57614 Low Fouling Reverse Osmosis Membranes: Evidence to the Contrary on Microfiltered Secondary Effluent
AWWA MTC69767 Nanofouling of Polypropylene Microfiltration Membranes by Clarified Secondary Effluent
DANSK DS/ISO 8573-1:2010 Compressed air - Part 1: Contaminants and purity classes
ASTM STP 1264-96 Superfund Risk Assessment in Soil Contamination Studies, 2nd Volume
BS 5540-4:1981 Evaluating particulate contamination of hydraulic fluids-Method of defining levels of contamination (solid contaminant code)
BS 1747-4:1969 Methods for measurement of air pollution-The lead dioxide method
09/30169813 DC BS ISO 8573-1. Compressed air. Part 1. Contaminants and purity classes
MIL MIL-DTL-32594-2018 SODIUM PHOSPHATE, TRIBASIC; ANHYDROUS, DODECAHYDRATE, AND MONOHYDRATE, TECHNICAL

British Standards Institution (BSI)

BS ISO 8573-1:2010 Compressed air - Contaminants and purity classes
BS ISO 21018-1:2008 Hydraulic fluid power - Monitoring the level of particulate contamination of the fluid - General principles

Korean Agency for Technology and Standards (KATS)

KS B ISO 8573-1-2003(2008) Compressed air－Contaminants and purity classes
KS B ISO 8573-1-2013 Compressed air－Contaminants and purity classes

German Institute for Standardization

DIN EN 13717:2003 Surface active agents - Determination of primary, secondary and tertiary amino nitrogen - Potentiometric titration; German version EN 13717:2002

RU-GOST R

GOST 17433-1980 Industries purity. Compressed air grades of contamination
GOST R ISO 8573-1-2005 Compressed air. Part 1. Contaminants and purity classes
GOST R 52314-2005 Standard thermoelectric platinumrhodium/platinum and platinumrhodium/platinumrhodium converters of the first, second and third grades. General technical requirements

European Committee for Standardization (CEN)

EN 13717:2002 Surface active agents - Determination of primary, secondary and tertiary amino nitrogen - Potentiometric titration

US-FCR

FCR 40 CFR PART 50-2014 NATIONAL PRIMARY AND SECONDARY AMBIENT AIR QUALITY STANDARDS
FCR 40 CFR PART 50-2015 NATIONAL PRIMARY AND SECONDARY AMBIENT AIR QUALITY STANDARDS
FCR 40 CFR PART 50-2012 NATIONAL PRIMARY AND SECONDARY AMBIENT AIR QUALITY STANDARDS

U.S. Environmental Protection Agency (U.S. EPA)

EPA 40 CFR PART 50-2010 NATIONAL PRIMARY AND SECONDARY AMBIENT AIR QUALITY STANDARDS

GB-REG

REG 40 CFR PART 50-2011 NATIONAL PRIMARY AND SECONDARY AMBIENT AIR QUALITY STANDARDS

Japanese Industrial Standards Committee (JISC)

JIS B 8392-1:2000 Compressed air for general use -- Part 1: Contaminants and quality classes
JIS B 8392-1:2012 Compressed air.Part 1: Contaminants and purity classes
JIS B 8392-1:2003 Compressed air -- Part 1: Contaminants and purity classes

Danish Standards Foundation

DS/ISO 8573-1:2010 Compressed air - Part 1: Contaminants and purity classes

International Organization for Standardization (ISO)

ISO 8573-1:2010 Compressed air - Part 1: Contaminants and purity classes

GSO

BH GSO ISO 8573-1:2016 Compressed air -- Part 1: Contaminants and purity classes

American Society for Testing and Materials (ASTM)

ASTM D2074-07(2019) Standard Test Methods for Total, Primary, Secondary, and Tertiary Amine Values of Fatty Amines by Alternative Indicator Method

Indonesia Standards

SNI 06-3270-1994 Technical grade dichloro diphenyl trichloroethane (DDT)

Standard Association of Australia （SAA）

AS 4002.1:2001 Hydraulic fluid power - Particulate contamination of systems - Method of coding the level of contamination

CEPT - Conference Europeenne des Administrations des Postes et des Telecommunications

ERC REPORT 24-1994 Examination Syllabi for 1st Class and 2nd Class Radio- Electronics Certificates for the GMDSS System (Nicosia@ March 1994)

Institute of Electrical and Electronics Engineers (IEEE)

IEEE 1835-2014 Atmospheric (Above Grade) Corrosion Control of Existing Electric Transmission, Distribution, and Substation Structures by Coating Systems

CZ-CSN

CSN 33 0405-1989 Electric engineering regulations. Design of outdoor insulation depending on pollution level

International Telecommunication Union (ITU)

ITU-T Q.822-1994 Stage 1 Stage 2 and Stage 3 Description for the Q3 Interface - Performance Management - Specifications of Signalling System No. 7 (Study Group 11) 54 pp
ITU-T Q.822 AMD 1-2003 Stage 1 stage 2 and stage 3 description for the Q3 interface Performance management Amendment 1: Generic transport performance management SERIES Q: SWITCHING AND SIGNALLING Q3 interface Amendment 1; Study Group 4

SE-SIS

SIS SEN 06 01 05-1974 Electrical meters, Maximum demand indicators, Class 1.0 General requirements and type testing

Society of Automotive Engineers (SAE)

SAE AMS3819B-2001 Cloths, Cleaning for Aircraft Primary and Secondary Structural Surfaces

Conference of European Post Telecommunication (CEPT)

CEPT ERC REPORT 24-1994 Examination Syllabi for 1st Class and 2nd Class Radio- Electronics Certificates for the GMDSS System (Nicosia, March 1994)

Canadian Standards Association (CSA)

CSA C22.2 No.66.3-06-2006 Low Voltage Transformers - Part 3: Class 2 and Class 3 Transformers First Edition [: CSA C22.2 NO 66-1988]

SAE - SAE International

SAE J1649/1-1993 Compressed Air for General Use- Part 1: Contaminants and Quality Classes@ Standard