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WS/T 243-2004 PDF English

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WS/T 243-2004: Biological limit value for occupational exposure to n-hexane
Status: Valid
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WS/T 243-2004English259 Add to Cart 3 days [Need to translate] Biological limit value for occupational exposure to n-hexane Valid

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Basic data

Standard ID WS/T 243-2004 (WS/T243-2004)
Description (Translated English) Biological limit value for occupational exposure to n-hexane
Sector / Industry Health Industry Standard (Recommended)
Classification of Chinese Standard C52
Classification of International Standard 13.100
Word Count Estimation 8,836
Date of Issue 2004-04-07
Date of Implementation 2004-10-01
Regulation (derived from) Health-Communication [2010] No. 12
Summary This standard specifies: Determination of water absorption capacity of fiber reinforced plastics in the required size, temperature and soaking time equipment, sample, test procedures, calculations, test results and test reports. This standard applies to: Determination of fiber-reinforced plastics water absorption, their results for comparison purposes only, without indicating possible inhalation the maximum amount of water absorption. Only the same size, the same physical state as possible the sample to be absorbent comparison. This standard specifies two methods soaking temperature is 23 ��, respectively, and the temperature of boiling water. In boiling water softening temperature will occur even lose its original form fiber reinforced plastics, only test at 23 ��.

WS/T 243-2004: Biological limit value for occupational exposure to n-hexane

---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.
Biological limit value for occupational exposure to n-hexane ICS 13.100 C52 People's Republic of China Health Industry Standard Biological limits for occupational exposure to n-hexane Released on.2004-04-07 Implementation of.2004-10-01 Published by the Ministry of Health

Foreword

This standard is based on domestic and international epidemiological surveys and on-site labor hygiene survey data, and refers to foreign occupational exposure to biological limits Proposed. Appendix A of this standard is a normative appendix, and Appendix B is an informative appendix. This standard was proposed by the Department of Health Legal System and Supervision of the Ministry of Health. This standard was drafted. Shenzhen Municipal Center for Disease Control and Prevention. The main drafters of this standard. Zhuang Zhixiong, Huang Xianqing, He Jiayu. This standard is entrusted by the Ministry of Health to explain the Occupational Health and Poison Control Office of the Chinese Center for Disease Control and Prevention. Biological limits for occupational exposure to n-hexane

1 Scope

This standard specifies the biological monitoring indicators, biological limits and monitoring and testing methods for occupational exposure to n-hexane. This standard applies to biological monitoring of occupational exposure to hexane workers.

2 Biological monitoring indicators and exposure limits

The biological monitoring indicators and exposure limits are shown in Table 1. Table 1 Biomonitoring indicator occupational exposure biological limit sampling time Urine 2,5-hexanedione 35.0μmol/L (4.0mg/L) after work shift

3 Monitoring and inspection methods

The test method for urinary 2,5-hexanedione in this standard is carried out in accordance with Appendix A.
WS/T 243-2004 English cover page

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