HJ 492-2009 (HJ492-2009)

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HJ 492-2009
Air quality.Vocabulary
HJ
People's Republic of China National Environmental Protection Standards
Replacing GB 6919-86
Posted 2009-09-27
2009-11-01 implementation
Issued by the Ministry of Environmental Protection
People's Republic of China Ministry of Environmental Protection
announcement
2009, No. 47
To implement the "People's Republic of China Environmental Protection Law", protecting the environment, safeguarding human health, are now approved measure "quality of polycyclic aromatic hydrocarbons
Fixed liquid-liquid extraction and solid phase extraction and high performance liquid chromatography "and other 18 criteria as national environmental standards, and to publish.
Standard name, numbered as follows.
First, the "quality of PAHs measured liquid-liquid extraction and solid phase extraction and high performance liquid chromatography" (HJ 478-2009);
Second, the "ambient air nitrogen oxides (NO and NO2) Determination of hydrochloric acid naphthylethylenediamine spectrophotometry" (HJ 479-
2009);
Third, the "determination of fluoride in the ambient air filter sampling and fluorine ion selective electrode method" (HJ 480-2009);
Fourth, "measured ambient air fluoride lime - paper sampling and fluorine ion selective electrode method" (HJ 481-2009);
Fifth, the "Ambient Air Determination of sulfur dioxide - Formaldehyde absorbing - pararosaniline spectrophotometry" (HJ 482-2009);
Six, "Determination of mercury salts tetrachloride absorption of sulfur dioxide in ambient air - pararosaniline spectrophotometry" (HJ 483-2009);
Seven, "Water quality - Determination of cyanide capacity and spectrophotometric methods" (HJ 484-2009);
Eight, "Water quality - Determination of copper diethyl dithiocarbamate spectrophotometry" (HJ 485-2009);
Nine, "Water quality - Determination of copper 2,9-dimethyl-1,10-phenanthroline spectrophotometry" (HJ 486-2009);
X. "Water quality Determination of fluoride - Visual colorimetry with zirconium alizarin sulfonic acid" (HJ 487-2009);
XI, "Water quality - Determination of fluoride - Fluor reagent spectrophotometry" (HJ 488-2009);
Twelve, "Water quality - Determination of silver 3,5-Br2-PADAP spectrophotometry" (HJ 489-2009);
Thirteen, "Water quality - Determination of silver cadmium reagent 2B spectrophotometry" (HJ 490-2009);
Fourteen, "Determination of total chromium in soil by flame atomic absorption spectrophotometry" (HJ 491-2009);
Sixteen, "the preservation and management of water quality samples provisions" (HJ 493-2009);
XVII "Water Sampling technical guidance" (HJ 494-2009);
Eighth, "Water quality sampling program design and technical guidance" (HJ 495-2009).
Above standard since November 1, 2009 implementation, published by the China Environmental Science Press, standard content in website of the Ministry of Environmental Protection
From the date of implementation of the above standards, the original approval of the State Environmental Protection Agency, the following 20 national standards for environmental protection published abolished, marking
Associate name, numbered as follows.
First, the "quality of specified six PAHs was measured by high performance liquid chromatography" (GB 13198-91);
Second, the "Air Quality Determination of nitrogen oxides hydrochloride naphthylethylenediamine method" (GB 8969-88);
Third, the "Ambient Air Determination of nitrogen oxides Saltzman method" (GB/T 15436-1995);
Fourth, the "ambient air quality concentrations of fluoride filter · Determination of fluoride ion selective electrode method" (GB/T 15434-1995);
Fifth, the "determination of fluoride in the ambient air filter · lime fluoride ion selective electrode method" (GB/T 15433-1995);
Six, "Ambient Air Determination of sulfur dioxide - Formaldehyde absorbing - pararosaniline spectrophotometry" (GB/T 15262-94);
VII, "Determination of mercury salts tetrachloride sulfur dioxide air quality - pararosaniline hydrochloride colorimetry" (GB 8970-88);
Eight, "Water quality - Determination of cyanide in a first portion of the total cyanide determination" (GB 7486-87);
Nine, "Water quality - Determination of cyanide in the second part of the determination of cyanide" (GB 7487-87);
X. "Water qual