This standard specifies the requirements for the selection of pollution-free watermelon 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 watermelon production areas. NY 5110-2002 Environmental conditions for pollution-free food watermelon production areas NY5110-2002 Standard download decompression password: www.bzxz.net

ICS 13. 020. 50
Agricultural Industry Standard of the People's Republic of China
NY 5110--2002
Pollution-free food: Environmental conditions for watermelon production areas Issued on July 25, 2002
Implemented on September 1, 2002
Issued by the Ministry of Agriculture of the People's Republic of China
NY 5110-2002
This standard is proposed by the Ministry of Agriculture of the People's Republic of China. Foreword
The drafting units of this standard are: Environmental Quality Supervision, Inspection and Testing Center of the Ministry of Agriculture (Tianjin), Zhengzhou Fruit Research Institute of the Chinese Academy of Agricultural Sciences. The main drafters of this standard are: Cheng Bo, Zhang Ze, Chang Yuhai, Mi Changhong, Li Yuming, Wang Derong, Yu Quanqing. 198
1 Scope
Environmental conditions for pollution-free watermelon production areas
NY 5110—-2002
This standard specifies the requirements for the selection of pollution-free watermelon 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 watermelon production areas. 2 Normative references
The clauses in the following documents become clauses of this standard through reference in this standard. For any dated referenced document, all subsequent amendments (excluding errata) or revised versions are not applicable to this standard. However, the parties to an agreement based on this standard are encouraged to study whether the latest versions of these documents can be used. For any undated referenced document, the latest version shall apply to this standard. GB/T6920
Water qualityDetermination of pH valueGlass electrode method
GB/T 7467
GB/T 7468
GB/T 7475
GB/T 7485
GB/T7490
Water qualityDetermination of hexavalent chromiumDiphenylcarbazide dithiocyanate spectrophotometryWater qualityDetermination of total mercuryCold atomic absorption spectrophotometryDetermination of copper, zinc, lead and cadmiumAtomic absorption spectrophotometryWater quality
Determination of total arsenicSilver diethyl dithiocarbamate spectrophotometryWater qualityDetermination of volatile phenols4-aminoantipyrine spectrophotometric method after distillationGB/T 15262
GB/T15434
GB/T 16488
GB/T17134
GB/T 17136
GB/T 17137
GB/T 17141
NY/T 395
NY/T 396
NY/T 397
3 Requirements
3.1 Selection of production area
Ambient air
Ambient air
Determination of sulfur dioxideFormaldehyde absorption-pararosaniline spectrophotometryDetermination of fluorideFilter membrane·fluoride ion selective electrode methodWater qualityDetermination of petroleum, animal and vegetable oilsInfrared photometrySoil quality
Soil quality
Soil quality
Soil quality
Silver diethyldithiocarbamate spectrophotometryDetermination of total mercuryCold atomic absorption spectrophotometryDetermination of total chromiumFlame atomic absorption spectrophotometryDetermination of lead and cadmiumGraphite furnace atomic absorption spectrophotometryTechnical specifications for testing environmental quality of farmland soilTechnical specifications for testing environmental quality of agricultural water sourcesTechnical specifications for testing environmental air quality in agricultural areasThe production area of ​​pollution-free watermelon should be selected in agricultural production areas with good ecological conditions, far away from pollution sources and with sustainable production capacity. 3.2 Production site ambient air qualityWww.bzxZ.net
The ambient air quality of pollution-free watermelon production sites shall comply with the provisions of Table 1. 199
NY 5110--2002
Sulfur dioxide (standard state)/(mg/m) ≤Fluoride (standard state)/(μg/m*)
Ambient air quality requirements
Concentration limit
Daily average
Note: Daily average refers to the average concentration of any 1 day; 1h average refers to the average concentration of any 1h. 3.3 Production site irrigation water quality
The irrigation water quality of pollution-free watermelon production sites shall comply with the provisions of Table 2. Irrigation water quality requirements
Total mercury/(mg/L)
Total cadmium/(mg/L)
Total arsenic/(mg/1.)
Total lead/(mg/l.)
Chromium (hexavalent)/(mg/1.)
Petroleum/(mg/L)
Volatile phenol/(mg/L)
3.4 ​​Soil environment quality at the production site
No pollution The soil quality of watermelon production areas shall comply with the provisions of Table 3. Table 3 Soil Environmental Quality Requirements
Total Cadmium/(mg/kg)
Total Mercury/(mg/kg）
Total Stone/(mg/kg）
Total Lead/(mg/kg)
Total Chromium/(mg/kg)
1h Average
Concentration Limit
Content Limit
pH6. 5～7. 5
Note: The content limits listed in this table are applicable to soils with cation exchange capacity>5cmol/kg. If ≤5cmol/kg, the content limit is half of the value in the table.
4 Test Methods
4.1 Ambient Air Quality Indicators
4.1.1 Determination of Sulfur Dioxide: in accordance with GB/T15262. 4.1.2 Determination of fluoride: in accordance with GB/T15434. 4.2 Irrigation water quality indicators
4.2.1 Determination of pH: in accordance with GB/T6920. 4.2.2 Determination of total mercury: in accordance with GB/T7468. 4.2.3 Determination of total arsenic: in accordance with GB/T7485. 200
4.2.4 Determination of lead,: in accordance with GB/T7475. Determination of hexavalent chromium: in accordance with GB/T7467. 4.2.5
4.2.6 Determination of petroleum: in accordance with GB/T16488. 4.2.7 Determination of volatile phenol: in accordance with GB/T7490. 4.3 Soil environment quality indicators
Determination of lead and cadmium: in accordance with GB/T17141. 4.3.2 Determination of mercury: in accordance with GB/T 17136. 4.3.3 Determination of arsenic: in accordance with GB/T17134. Determination of chromium: in accordance with GB/T17137. 4.3.4
5 Sampling method
5.1 The sampling method for ambient air quality monitoring shall be in accordance with NY/T397. 5.2 The sampling method for irrigation water quality monitoring shall be in accordance with NY/T396. 5.3 The sampling method for soil environmental quality monitoring shall be in accordance with NY/T395. NY 5110--2002
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