Z50 大气、水、土壤环境质量标准 标准查询与下载

ISO 8360-2:1988 水质.去硝假单胞菌(Pseudomonas aeruginosa)的检测及计数.第2部分:薄膜过滤法

Water quality; detection and enumeration of Pseudomonas aeruginosa; part 2: membrane filtration method

ISO 7890-3:1988 水质 硝酸盐的测定 第3部分:磺基水杨酸光度法

Procedure given is applicable to raw and potable water. The range covers a nitrat nitrogen concentration up to 0,2 mg/l using the maximum test portion of 25 ml. Using cells of path length 40 mm and a 25 ml test portion the limit of detection lies within the range 0,003 to 0,013 mg/l.

Water quality; determination of nitrate; part 3: spectrometric method using sulfosalicylic acid

ISO 8265:1988 水质 浅淡水中多石底上的底栖大型无脊椎动物定量取样器的设计和使用

Gives guidance on the equipment and procedures for the sampling by quadrat samplers in waters of depth less than 500 mm, although methods are described to permit sampling, under certain conditions, in a water depth of up to 1 m. The procedures are applicable to all accessible aquatic habitats in rivers, streams and estuaries where current velocities in excess of 0,1 m/s would be expected.

Water quality; design and use of quantitative samplers for benthic macro-invertebrates on stony substrata in shallow freshwaters

ISO 8762:1988 车间空气 氯乙烯的测定 活性碳管/气相色谱法

The procedure is valid for concentrations in the range from 250 g/m3 to 25 mg/m3. It is compatible with low flow-rate personal sampling equipment and can be used for personal and fixed location sampling. It cannot be used to measure instantaneous or short-term fluctuations of concentrations.

Workplace air; determination of vinyl chloride; charcoal tube/gas chromatographic method

ISO 8199:1988 水质 培养的微生物计数方法通用指南

This International Standard presents guidance for carrying out manipulations which are common to each technique for the microbiological examination of water, particularly the prepara- tion of samples, culture media and apparatus. it also describes the Various enumeration methods available and the criteria for the choice at a particular technique.

Water quality; general guide to the enumeration of micro-organisms by culture

ASA S12.1-1983 确定发射源标准程序指南ASA 49

American national standard specification for sound leval meters.

Guidelines for Preparation of Standard Procedures to Determine the Noise Emission from Sources ASA 49

NF X43-002:1983 空气污染.烟道废气.烟雾点数字的测定（bacharach 法）

Air pollution. Flue gases. Determination of the smoke spot number (bacharach method).

ISO 4226:1980 空气质量.一般状况.测试单位

Air quality; General aspects; Units of measurement

SL 286-2003（条文说明） 地下水超采区评价导则

Guidelines for the assessment of zones of groundwater overdraft(explanation)

DB31/T 143-1994 宾馆、饭店空调用水及冷却水水质标准

Water quality standards for air-conditioning water and cooling water in hotels and restaurants

NY/T 397-2000 农区环境空气质量监测技术规范

Technical specification for monitoring of environmental air quality in farming areas

DB31/T 310004-2021 DB32/T 310004-2021 DB33/T 31000 长三角生态绿色一体化发展示范区环境空气质量预报技术规范

Technical Specifications for Ambient Air Quality Forecasting in the Yangtze River Delta Ecological and Green Integrated Development Demonstration Zone