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GB/T 5817: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 5817-2009 | English | 199 |
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Severity Level dust workplace hazards
| Obsolete |
GB/T 5817-2009
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| GB 5817-1986 | English | 239 |
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Classification of hazard levels due to exposure to industrial dust
| Obsolete |
GB 5817-1986
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PDF similar to GB/T 5817-2009
Basic data
| Standard ID | GB/T 5817-2009 (GB/T5817-2009) |
| Description (Translated English) | Severity Level dust workplace hazards |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | C70 |
| Classification of International Standard | 13.040.30 |
| Word Count Estimation | 5,538 |
| Date of Issue | 2009-03-31 |
| Date of Implementation | 2009-12-01 |
| Older Standard (superseded by this standard) | GB 5817-1986 |
| Regulation (derived from) | National Standard Approval Announcement 2009 No.4 (Total No.144) |
| Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China |
| Summary | This standard specifies the extent of workplace hazards of dust. This standard applies to the extent of workplace hazards of dust job grading, dust can be used as the main basis for the implementation of workplace occupational health and safety supervision and inspection. Radioactive dust and dust caused by chemical poisoning dangers do not apply to this standard. |
GB/T 5817-2009: Severity Level dust workplace hazards
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Severity Level dust workplace hazards
ICS 13.040.30
C70
National Standards of People's Republic of China
Replacing GB 5817-1986
Dust workplace hazards Severity Level
Posted 2009-03-31
2009-12-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard is revised and in place of the national standard GB 5817-1986 "industrial dust hazard degree."
This revision compared with the previous version of the major technical changes.
--- Standard GB 5817-1986 "industrial dust hazard degree" title has been revised.
--- On the part of the terms and definitions be amended to increase the term of the English translation.
--- For grading indicators were omissions and amendments.
--- To the rank adjusted.
This standard was proposed by the State Administration of Work Safety.
This standard by the National Safe Production Standardization Technical Committee (SAC/TC288) centralized.
This standard drafting unit. China Academy of Safety Science.
The main drafters of this standard. Zhou Jianxin, Liugong Zhi, Ren Zhigang, Su Hongjie, Wangshan Wen, HE Chuan, Liu Tiemin.
This standard replaces the standards previously issued as follows.
--- GB 5817-1986.
Dust workplace hazards Severity Level
1 Scope
This standard specifies the degree of dust workplace hazards.
This standard applies to workplace hazards Dust level was classified as dust implement workplace occupational health safety oversight inspection
The main basis for investigation.
Radioactive dust and dust caused by chemical poisoning hazard does not apply to this standard.
2 Terms and definitions
Column surgery terms and definitions apply to this standard.
2.1
Suspended in the air of workplace solid particles.
2.2
According to respirable dust standards to enter the alveolar dust particles collected measurement method, which were 7.07μm aerodynamic diameter
Hereinafter, the sampling efficiency of the dust particles in an aerodynamic diameter of 5μm was 50%.
2.3
Can enter the entire respiratory tract (nose, pharynx and larynx, chest bronchi, bronchioles and alveoli) in the dust. Technically Department of the total dust sampler
According to standard methods with measured breathing all the dust.
2.4
It refers to workers engaged in professional activities which require frequent or regular visits to locations.
2.5
Time-weights specified 8h workday, Permissible Exposure 40h average work week.
2.6
Time-weights specified 8h working day, the average exposure concentration 40h work week.
2.7
Workplace dust over time weighted average concentration of dust in multiples of occupational health standards.
3 Classification Index
3.1 uses excessive dust workplace hazards as multiple levels of classification indexes.
The formula multiples exceeding 3.2.
B = Ba Ba PC-TWA TWA
-1 (1)
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