This standard specifies the requirements for the selection of pollution-free Hami melon 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 Hami melon production areas. NY 5181-2002 Pollution-free food Hami melon production area environmental conditions NY5181-2002 standard download decompression password: www.bzxz.net

ICS 13. 020. 50
Agricultural Industry Standard of the People's Republic of China
NY 5181—2002
Pollution-free food
2002-07-25 Issued
Environmental conditions of Hami melon production area
2002-09-01 Implementation
Issued by the Ministry of Agriculture of the People's Republic of China
NY5181-2002
This standard is proposed by the Ministry of Agriculture of the People's Republic of China. Drafting units of this standard: Food Quality Supervision, Inspection and Testing Center of the Ministry of Agriculture (Shihezi), Agricultural Science Institute of the Sixth Agricultural Division of Xinjiang Production and Construction Corps. The main drafters of this standard are: Luo Xiaoling, Wang Chunming, Gu Chunhong, Wang Jing, Deng Zhibin, Liu Shurong 292
1 Scope
Environmental conditions for the production of pollution-free Hami melon NY5181—2002
This standard specifies the requirements for the selection of production areas, ambient air quality requirements, irrigation water quality requirements, soil environmental quality requirements, test methods and sampling methods for pollution-free Hami melon.
This standard applies to the production areas of pollution-free Hami melon. 2 Normative references
The clauses in the following documents become the clauses of this standard through reference in this standard. For any dated referenced document, all subsequent amendments (excluding errata) or revisions are not applicable to this standard. However, the parties to the 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/T 6920
Water qualityDetermination of pH valueGlass electrode method
GB/T 7467
GB/T 7468
GB/T 7475
GB/T7484
Determination of hexavalent chromiumDiphenylcarbohydrazide spectrophotometric methodDetermination of total mercuryCold atomic absorption spectrophotometric methodDetermination of copper, zinc, lead and cadmiumAtomic absorption spectrophotometric methodDetermination of fluorideIon selective electrode method
GB/T 7485
Determination of total arsenicSilver diethyldithiocarbamate spectrophotometric methodWater quality
GB/T 15262
GB/T15434
GB/T 16488
GB/T 17134
GB/T 17136
GB/T 17137
GB/T 17141
NY/T395
NY/T 396
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
Determination of total arsenicSilver diethyldithiocarbamate spectrophotometryDetermination of total mercuryCold atomic absorption spectrophotometrySoil qualityDetermination of total chromiumFlame atomic absorption spectrophotometrySoil qualityDetermination of lead and cadmiumGraphite furnace atomic absorption spectrophotometryTechnical specification for monitoring environmental quality of farmland soilTechnical specification for monitoring environmental quality of agricultural water sourcesNY/T397Technical specification for monitoring ambient air quality in rural areas3 Requirements
3.1 Requirements for selection of production areas
The production areas of pollution-free Hami melons should be selected in agricultural production areas with good ecological conditions, far away from pollution sources, rich in organic matter and with sustainable production capacity.
3.2 Air quality at the production site
The air quality at the production site of pollution-free Hami melon shall comply with the requirements of Table 1. 293
NY 5181--2002
Sulfur dioxide (standard state)/(mg/m2)Fluoride (standard state)/(μg/m2)Table 1 Requirements for ambient air quality
Daily average
Concentration limit
Note: Daily average refers to the average concentration of any day; 1h average refers to the average concentration of any hour. 3.3 Quality of irrigation water in the production area
The quality of irrigation water in the production area of ​​pollution-free Hami melon shall comply with the provisions of Table 2. Table 2 Quality requirements of irrigation water
Total mercury/(mg/1.)
Total pot/(mg/1L)
Total monument/(mg/L)
Total lead/(mg/L)
Chromium (hexavalent)/(mg/L)
Fluoride (measured in F)/(mg/L)
Petroleum/(mg/L)||tt| |3.4 Soil environmental quality of producing area
The soil environmental quality of pollution-free Hami melon producing area shall comply with the provisions of Table 3. Table 3 Soil environmental quality requirements
Total cadmium/(mg/kg）
Total mercury/(mg/kg）
Total steatite/(mg/kg）
Total lead/(mg/kg)
Total chromium/(mg/kg)
pH value<6.5
Concentration limit
pH value6.57.5
Concentration limit
1h average
pH value≥7.5www.bzxz.net
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. 294
4.2.3 Determination of total: in accordance with GB/T7485. 4.2.4 Determination of lead and cadmium: in accordance with GB/T7475. 4.2.5 Determination of hexavalent chromium: in accordance with GB/T7467. 4.2.6 Determination of fluoride: in accordance with GB/T7484. 4.2.7 Determination of petroleum: in accordance with GB/T16488. 4.3 Soil environmental quality indicators
4.3.1 Determination of total lead and total: in accordance with GB/T17141. 4.3.2
Determination of total mercury: in accordance with GB/T17136. 4.3.3 Determination of total: in accordance with GB/T17134. 4.3.4 Determination of total chromium: in accordance with GB/T17137. Sampling methods
5.1 The sampling method for ambient air quality monitoring shall be in accordance with the provisions of NY/T397. 5.2 The sampling method for irrigation water quality monitoring shall be in accordance with the provisions of NY/T396. 5.3 The sampling method for soil environmental quality monitoring shall be in accordance with the provisions of NY/T395. NY 5181—2002
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