This standard specifies the requirements for the selection of pollution-free drinking chrysanthemum production areas, environmental air quality requirements, irrigation water quality requirements, soil environmental quality requirements, test methods and sampling methods. This standard applies to pollution-free drinking chrysanthemum production areas. NY 5120-2002 Environmental conditions for pollution-free drinking chrysanthemum production areas NY5120-2002 Standard download decompression password: www.bzxz.net

ICS,13.020.50
Agricultural Industry Standard of the People's Republic of China
NY 5120—2002
Pollution-free food
Issued on 2002-07-25
Environmental conditions for drinking chrysanthemum production
Implemented on 2002-09-01
Issued by the Ministry of Agriculture of the People's Republic of China
NY5120—2002
This standard is proposed by the Ministry of Agriculture of the People's Republic of China. Foreword
The drafting units of this standard are: Zhejiang Agricultural Product Quality Supervision, Inspection and Testing Center, Agricultural Product Quality Supervision, Inspection and Testing Center of the Ministry of Agriculture (Hangzhou).
The main drafters of this standard are: Huang Guoyang, Zhu Youwei, Wang Qiang, Duan Lili, Jiang Guibing, Li Zhen, Yu Danhong. 348
1 Scope
Pollution-free food
Environmental conditions of drinking chrysanthemum production area
NY 5120—2002
This standard specifies the requirements for the selection of pollution-free drinking chrysanthemum production areas, ambient air quality requirements, irrigation water quality requirements, soil environmental quality requirements, test methods and sampling methods.
This standard applies to pollution-free drinking chrysanthemum production areas. 2 Normative references
The clauses in the following documents become the clauses of this standard through reference in this standard. For all dated referenced documents, all subsequent amendments (excluding errata) or revisions are not applicable to this standard. However, the parties who reach an agreement based on this standard are encouraged to study whether the latest versions of these documents can be used. For all undated referenced documents, the latest versions are applicable to this standard. GB/T 6920
Water quality-Determination of pH-Glass electrode method
GB/T7467Water quality
GB/T 7468
GB/T 7475
GB/T 7485
GB/T7487
GB/T 15262
GB/T 15432
GB/T15434
GB/T 15435
GB/T 16488
GB/T 17134
GB/T 17136
GB/T 17137
GB/T 17141
NY/T395
Determination of hexavalent chromiumDiphenylcarbohydrazide spectrophotometryDetermination of total mercuryCold atomic absorption spectrophotometryDetermination of copper, zinc, lead and cadmiumAtomic absorption spectrophotometryDetermination of total arsenicSilver diethyldithiocarbamate spectrophotometryDetermination of cyanidePart II: Determination of cyanideAmbient airDetermination of sulfur dioxideFormaldehyde absorption-rosaniline spectrophotometryAmbient air
Determination of total suspended particulate matterGravimetric method
Ambient air
Determination of fluorideFilter membrane·fluoride ion selective electrode methodAmbient air
Determination of nitrogen dioxideSaltzman method
Determination of petroleum, animal and vegetable oilsInfrared photometryWater quality
Determination of total arsenicSilver diethyldithiocarbamate spectrophotometrySoil quality.
Soil quality
Soil quality
Determination of total mercury Cold atomic absorption spectrophotometry Determination of total chromium Flame ion absorption spectrophotometry Soil quality
Determination of lead and cadmium Graphite furnace atomic absorption spectrophotometry Technical specification for monitoring the environmental quality of farmland soil Technical specification for monitoring the environmental quality of agricultural water sources NY/T 396
NY/T 397
3 Requirements
3.1 Origin requirements
Technical specification for monitoring the ambient air quality in agricultural areas The production area of ​​pollution-free drinking chrysanthemum should be selected in an agricultural production area with good ecological conditions, far away from pollution sources, and with sustainable production capacity.
3.2 Origin ambient air quality
The ambient air quality of the production area of ​​pollution-free drinking chrysanthemum should meet the requirements of Table 1. 349
NY 5120—2002
Total suspended particulate matter (standard state)/(mg/m2) Sulfur dioxide (standard state)/(mg/m2) Nitrogen dioxide (standard state)/(mg/m2) Fluoride (standard state)/(μg/m2)
Table 1 Ambient air quality requirements
Note: H average refers to the average concentration of any day; 1h refers to the average concentration of any 1h. 3.3 Quality of irrigation water in production areas
Pollution-free drinking irrigation water in chrysanthemum production areas should meet the requirements of Table 2. Table 2 Irrigation water quality requirements
Total cadmium/(mg/L)
Total mercury/(mg/L)
Total stone/(mg/L)
Total lead/(mg/1.)
Chromium (hexavalent)/(mg/L)
Cyanide (in CN)/(mg/L)
Petroleum/(mg/L)
Origin Shidun Environmental quality
Pollution-free drinking chrysanthemum The soil environmental quality of the production area shall comply with the provisions of Table 3 Table 3 Soil environmental quality requirements
Total cadmium/(mg/kg)
Total mercury/(mg/kg)
Total arsenic/(mg/kg)
Total lead/(mg/kg)
Total chromium/(mg/kg)
Daily averagebZxz.net
Concentration limit
Concentration limit
Content limit
pH = 6. 5~~ 7. 5
1h average
Note: The content limits listed in this table are applicable to soils with a cation exchange rate of 5cmol/kg. If it is <5cmol/kg, the content limit shall be half of the value in the table.
4 Test methods
4.1 Ambient air quality
4.1.1 Determination of total suspended particulate matter: in accordance with the provisions of GB/T15432. 4. 1.2
Determination of sulfur dioxide: in accordance with the provisions of GB/T15262. 4.1.3
Determination of nitrogen dioxide: in accordance with the provisions of GB/T15435. Determination of fluoride: in accordance with the provisions of GB/T15434. 4. 1.4
4.2 Irrigation water quality indicators
Determination of pH value: in accordance with the provisions of GB/T6920. 4.2.1
Determination of total mercury: in accordance with the provisions of GB/T7468. 4.2.3
Determination of lead and cadmium: in accordance with the provisions of GB/T7475. 4.2.4
Determination of total arsenic: in accordance with the provisions of GB/T7485. Determination of hexavalent chromium: in accordance with the provisions of GB/T7467. 4.2.6 Determination of cyanide: in accordance with the provisions of GB/T7487. 4.2.7
Determination of petroleum: in accordance with the provisions of GB/T16488. 4.3 Soil environmental quality indicators
4.3.1 Determination of pH value: in accordance with the provisions of NY/T395. Determination of total arsenic: in accordance with the provisions of GB/T17134. 4.3.2
Determination of total mercury: in accordance with the provisions of GB/T17136. 4.3.4 Determination of lead and cadmium: in accordance with the provisions of GB/T17141. 4.3.5 Determination of total chromium: in accordance with the provisions of GB/T17137. 5 Sampling methods
5.1 The sampling methods for ambient air quality monitoring shall be implemented in accordance with the provisions of NY/T397. 5.2 The sampling methods for irrigation water quality monitoring shall be implemented in accordance with the provisions of NY/T396. 5.3 The sampling methods for soil environmental quality monitoring shall be implemented in accordance with the provisions of NY/T395. NY5120—2002
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