Air quality monitoring outside the production area
Air quality monitoring outside the production area according to the standard
– QCVN 26:2010/BTNMT: National technical regulation on noise
– QCVN 05:2013/BTNMT: National technical regulation on ambient air quality
Limit value of basic parameters in ambient air
Unit: Micrograms per cubic meter (mg/m3)
| TT | Parameter | Average of 1 hour | Average 8 hours | Average 24 hours | Average year |
| 1 | SO2 | 350 | – | 125 | 50 |
| 2 | CO | 30.000 | 10.000 | – | – |
| 3 | NO2 | 200 | – | 100 | 40 |
| 4 | O3 | 200 | 120 | – | – |
| 5 | Total suspended dust (TSP) | 300 | – | 200 | 100 |
| 6 | Dust PM10 | – | – | 150 | 50 |
| 7 | Dust PM2,5 | – | – | 50 | 25 |
| 8 | Pb | – | – | 1,5 | 0,5 |
| Note: (-) is not specified | |||||
DETERMINING METHODS
- The analytical method for determining air quality parameters complies with the instructions of the following standards:
– TCVN 5978:1995 (ISO 4221:1980). Air quality. Determination of mass concentration of sulfur dioxide in ambient air, Photometric method using thorin.
– TCVN 5971:1995 (ISO 6767:1990) Ambient air. Determine the mass concentration of sulfur dioxide. Tetrachloromercurat (TCM) / Pararosanilin method.
– TCVN 7726:2007 (ISO 10498:2004) Ambient air. Determination of sulfur dioxide. Ultraviolet fluorescence method.
– TCVN 5972:1995 (ISO 8186:1989) Ambient air. Determine the mass concentration of carbon monoxide (CO). Gas chromatographic method.
– TCVN 7725:2007 (ISO 4224:2000) Ambient air. Determination of carbon monoxide. Non-dispersion infrared measurement method.
– TCVN 5067:1995 Air quality. The weight method determines the dust content.
– TCVN 9469:2012 Air quality. Determination of dust by beta ray absorption method.
– AS/NZS 3580.9.6:2003 Methods for sampling and analysis of ambient air – Determination of suspended particulate matter – PM10 high volume sampler with size-selective inlet – Gravimetric method
– AS/NZS 3580.9.7:2009 Methods for sampling and analysis of ambient air – Determination of suspended particulate matter – Dichotomous sampler (PM10, coarse PM and PM2,5) – Gravimetric method
– TCVN 6137:2009 (ISO 6768:1998) Ambient air. Determine the mass concentration of nitrogen dioxide. The modified Griess-Saltzman method.
– TCVN 7171:2002 (ISO 13964:1998) Air quality. Determination of ozone in ambient air. Ultraviolet photometric method.
– TCVN 6157:1996 (ISO 10313:1993) Ambient air. Determination of ozone mass concentration. Chemical luminescent method.
– TCVN 6152:1996 (ISO 9855:1993) Ambient air. Determine the content of aerosol lead dust obtained on the filter. Atomic absorption spectroscopy.
- Acceptance of analytical methods of guidance in national and international standards of accuracy equal to or higher than the standards cited in Section 1
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MONITORING PICTURES ON ENVIRONMENTAL ENVIRONMENTAL ENVIRONMENT BY QCVN
VIETNAM QCVN STANDARD TECHNICAL JOINT STOCK COMPANY
Address: 67/2/8 Rout 5, Ward 17, Govap District, Hochiminh City, Vietnam
Phone: 0287 308 6678 – Hotline: 0919 98 48 39
Email: info@qcvn.com.vn
