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environmental test

Detection scope: inorganic non-metallic building materials and decoration materials, indoor environmental pollutants, building site soil, bonded wood structure materials, water-based coatings, putty, treatment agents, solvent-based coatings, solvent-based putty, water-based adhesives, wallpaper, solvent-based Hazardous substances in adhesives, admixtures, artificial wood boards and facing artificial wood boards, polyurethane paint curing agents, polyvinyl chloride flooring

Test items: internal exposure index, external exposure index, surface radon precipitation rate, radon concentration, free formaldehyde, formaldehyde concentration, ammonia concentration, respirable particulate matter (PM10), benzene concentration, total volatile organic compound (TVOC) concentration, soil Radon concentration, radon precipitation rate on soil surface, free formaldehyde release amount, free formaldehyde content, VOC content, benzene content, toluene + xylene + ethylbenzene content, free formaldehyde content, VOC content, formaldehyde content, benzene content, toluene + xylene , VOC content, TDI content, ammonia release amount, free formaldehyde content, free formaldehyde content / release amount, TDI content, volatile matter content

Public health testing

Detection range: (1) hotels, restaurants, hotels, guest houses, coaches, cafes, bars, tea houses; (2) public baths, barber shops, beauty shops; (3) theaters, video halls (rooms), entertainment hall (Room), (singing) ballroom, concert hall; (4) stadium (hall), swimming pool (hall), park; (5) exhibition hall, museum, art gallery, library; (6) shopping mall (shop), Bookstore; (VII) Waiting room, waiting room (machine, boat) room, public transportation

Test items: air temperature, relative humidity, indoor wind speed, carbon monoxide, carbon dioxide, formaldehyde, inhalable particulate matter (PM10), ammonia, illuminance, noise, indoor fresh air volume, total bacteria, coliform bacteria, pathogenic bacteria, pool temperature, turbidity Degree, pH value, urea, free residual chlorine, fresh air volume of air conditioning system, inhalable particulate matter (PM10) in air conditioning air supply, total bacteria in air conditioning air supply, total fungi in air conditioning air supply, Legionella pneumophila in air conditioning, air conditioning delivery Β-hemolytic streptococcus in the wind, dust amount on the surface area of air conditioning ducts, microorganisms on the surface of the duct (total bacteria), microorganisms on the surface of the duct (total fungi)

Water quality test

Detection scope: drinking water, wastewater, surface water, groundwater

Test items: river flow rate, flow rate, pH value, total hardness, soluble total solids, electrical conductivity, suspended matter (asbestos), water temperature, color, turbidity, visible to the naked eye, odor and taste, dissolved oxygen, permanganic acid Salt index, oxygen consumption, chemical oxygen demand (COD), five-day biochemical oxygen demand (BOD), anionic surfactant, anionic synthetic detergent, sulfate, nitrate (nitrogen), nitrite (nitrogen) , Phosphate, total salt content, volatile phenols, chlorides, fluorides, poplar cyanide, sulfide, iodide, cyanogen chloride (based on CN), total acidity, total alkalinity, elemental phosphorus, petroleum, Vegetable oil, non-ionic nitrogen, ammonia nitrogen, total nitrogen, Kjeldahl nitrogen, total phosphorus, free residual chlorine, total chlorine, active chlorine, formaldehyde, benzene, toluene, xylene, ethylbenzene, aniline ...

Atmospheric detection

Detection range: ambient air and exhaust gas

Test items: sulfur dioxide, nitrogen oxides, volatile organic compounds, respirable particulate matter (PM10), respirable particulate matter (PM2.5), total suspended particulate matter, hydrogen chloride, hydrogen sulfide, hydrogen cyanide, nitrobenzene compounds, chlorobenzene Compounds, volatile halogenated hydrocarbons, pyridine, chromic acid mist, sulfuric acid mist, fluoride, chlorine, phenols, formaldehyde, acetaldehyde, acrylonitrile, methanol, anilines, benzenes (benzene, toluene, ethylbenzene, Xylene, styrene), vinyl chloride, ammonia, acetone, carbon disulfide, benzo [a] pyrene, polycyclic aromatic hydrocarbons, methane, total hydrocarbons, non-methane total hydrocarbons, ozone, diet fume, soot / exhaust parameters, particulate matter / Exhaust parameters, smoke blackness, total volatile organic compounds, carbon monoxide, odor concentration, phosgene, asphalt smoke, sulfate, lead and its compounds ...

Soil testing

Detection scope: construction soil land, agricultural land, forestry land, urban sludge, etc.

Test items: nutritional components such as organic matter, ammonium nitrogen, nitrate nitrogen, phosphorus, potassium, calcium, magnesium, sulfur, iron, copper, manganese, zinc, boron, pH, exchangeable acid, calcium-magnesium ratio, magnesium-potassium ratio, etc. . Organic matter detection such as total petroleum hydrocarbons, benzenes, volatile organics, semi-volatile organics, phenols, polycyclic aromatic hydrocarbons, polycyclic aromatic hydrocarbons (low concentration), benzo (a) pyrene, phthalates, Organochlorine pesticides, organophosphorus pesticides, PCBs, dioxins, etc. Nutritional ingredients such as organic matter, ammonium nitrogen, nitrate nitrogen, phosphorus, potassium, calcium, magnesium, sulfur, iron, copper, manganese, zinc, boron, pH, exchangeable acid, calcium-magnesium ratio, magnesium-potassium ratio, etc.

Solid waste testing

Detection scope: industrial solid waste, domestic solid waste, agricultural solid waste

Test items: organic content, moisture content, sludge concentration, organic matter, pH, corrosiveness, fatty acids, total alkalinity, phenol, mineral oil, total phosphorus, fluoride, cyanide, chloride, sulfate, nitrate, Nitrite, phosphate, nickel, copper, molybdenum, copper, lead, zinc, cadmium, barium, nickel, iron, manganese, calcium, magnesium, chromium, magnesium, barium, hexavalent chromium, total chromium, arsenic, selenium, Antimony, bismuth, total potassium, 666, DDT, dimethoate, parathion, methyl parathion, malathion, chlordane, hexachlorobenzene, toxaphen, mirex.

Oil and gas recovery testing

Detection range: liquid resistance, airtightness, gas-liquid ratio, leakage concentration

Inspection items: The inspection of appearance and function is carried out from the entire system. The main inspection is whether the oil and gas recovery has affected the flow of the refueling gun and its measurement, the power supply voltage, and whether the unit that reforms the oil and gas recovery system is qualified. Whether the gas-liquid ratio adjuster of the refueling gun is normal, and whether there is a manufacturing license for the refueling machine manufacturing unit after the transformation. The tightness calibration of the oil and gas recovery system refers to the tightness test of a real pipeline system for oil and gas recovery. The calculated final pressure value is compared with the minimum residual pressure limit to determine whether the tightness calibration result of the gas station meets the requirements. If the requirements are met, the entire system should be inspected to find out where the leaks are, so as to ensure the integrity of the entire oil and gas recovery system. If the tightness of the gas station is not good ...

Noise detection

Detection range: environmental noise, factory boundary noise, occupational noise, equipment noise, public place noise, social life noise, building construction noise, etc.

Testing items: monitoring according to the requirements of the monitoring program. The intensity of the noise is the sound pressure in the sound field; the characteristic of the noise is the various frequency components of the sound pressure.

Environmental online monitoring

Daan Testing is committed to improving the environment and improving energy efficiency, and can provide services such as environmental monitoring, environmental assessment, environmental governance, and solutions.

Industrial wastewater detection

Noise detection

Public health testing

Gas station oil and gas recovery testing

Industrial waste gas detection

Indoor air detection

Soil testing

Water quality test

Environmental impact assessment

Daan testing has advanced equipment, a professional testing team, focuses on environmental monitoring and has national CMA environmental testing qualifications, becoming the first choice for environmental testing commissioned by society.

Environmental impact assessment

Environmental damage identification

We have more than 150 sets (sets) of various professional instruments and equipment, which can meet different testing needs. We try our best to provide users with fast and accurate solutions.

Soil and groundwater environmental damage

Identification of pollutant categories

Identification of air pollution and environmental damage

Ecosystem environmental damage identification

Surface water and sediment environmental damage

Environmental damage to offshore oceans and coasts

Environmental Remediation Technology Consulting

We have more than 150 sets (sets) of various professional instruments and equipment, which can meet different testing needs. We try our best to provide users with fast and accurate solutions.

Environmental Remediation Technology Consulting

R & D and sales of environmental management equipment

We have more than 150 sets (sets) of various professional instruments and equipment, which can meet different testing needs. We try our best to provide users with fast and accurate solutions.

R & D and sales of environmental management equipment

About Henan Daan Detection Technology Co., Ltd.

We are a comprehensive third-party agency integrating testing, inspection, certification and technical services

Provide customers with one-stop solutions nationwide

The company has a number of high-level management teams and technical backbones in the industry, with more than 50 employees

Among them, there are 2 senior titles, 4 intermediate titles, 12 junior titles, and a registered capital of 8 million.

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Realistic, rigorous, efficient and excellent

We have more than 150 sets of high-end professional instruments and equipment, which can meet different testing requirements. We will try our best to provide users with fast, precise and accurate solutions.

The company advocates business commitments, scientific innovation, and win-win cooperation. Persist in measuring customer satisfaction, achieving Daan influence, and establishing the company's corporate image.

In-depth understanding

Environment and responsibility

Practitioners of environmental protection, health and quality of life

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We uphold the objective, fair, honest, and credible service concept, and strive to provide customers with considerate services.

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13298189518 联系地址:河南省郑州市经开区南三环与十六 大街大健康产业园2栋A座 Company phone: 0371-55565115 13298189518 Contact address: Block A, Building 2, Great Health Industrial Park , South Third Ring Road and Shiliu Avenue , Economic Development Zone, Zhengzhou City, Henan Province

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