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GB/T 39304-2020 English PDF

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US$169.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 39304-2020: (General technical specifications for sample pretreatment for biological toxicity testing of reclaimed water)
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 39304-2020	169	Add to Cart	3 days	(General technical specifications for sample pretreatment for biological toxicity testing of reclaimed water)	Valid

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Basic data

Standard ID: GB/T 39304-2020 (GB/T39304-2020)
Description (Translated English): (General technical specifications for sample pretreatment for biological toxicity testing of reclaimed water)
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G76
Word Count Estimation: 9,998
Date of Issue: 2020-11-19
Date of Implementation: 2021-10-01
Regulation (derived from): National Standard Announcement No. 26 of 2020
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 39304-2020: (General technical specifications for sample pretreatment for biological toxicity testing of reclaimed water)

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
(General technical specifications for sample pretreatment for biological toxicity testing of reclaimed water) ICS 19.020 G76 National Standards of People's Republic of China Sample pretreatment for biological toxicity testing of reclaimed water General technical specifications 2020-11-19 released 2021-10-01 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by the China Petroleum and Chemical Industry Federation. This standard is under the jurisdiction of the National Chemical Standardization Technical Committee (SAC/TC63). Drafting organizations of this standard. Nanjing University, Nanjing University Yixing Environmental Protection Research Institute, Jiangsu Zhongyi Jinda Environmental Industry Technology Research Institute Co., Ltd. Company, CNOOC Tianjin Chemical Research and Design Institute Co., Ltd., Lanbao (Xiamen) Water Treatment Technology Co., Ltd., Dongguan University of Technology, Shijiazhuang Guiyuan Environmental Protection Technology Co., Ltd., Zhuhai Jinggong Testing Technology Co., Ltd., Jiangsu Kebiao Medical Testing Co., Ltd. The main drafters of this standard. Ren Hongqiang, Wu Bing, Zhang Xuxiang, Geng Jinju, Lu Fenyong, Niu Junfeng, Li Yongguang, Wang Lei, Wang Qing, Xue Yingang, Yin Jinbao and Li Lin. Sample pretreatment for biological toxicity testing of reclaimed water General technical specifications

1 Scope

This standard specifies the general technical requirements for sample pretreatment during biological toxicity testing of pollutants in recycled water. This standard applies to sample collection, preparation and quality control before the biological toxicity test of reclaimed water.

2 Normative references

The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article Pieces. For undated references, the latest version (including all amendments) applies to this document. GB/T 6682 Analytical laboratory water specifications and test methods HJ/T 372 Water Quality Automatic Sampler Technical Requirements and Testing Methods HJ493 Technical Regulations for Storage and Management of Water Quality Sampling Samples HJ494 Water Quality Sampling Technical Guide

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Recycled water Reclaimed water refers to domestic sewage or industrial wastewater after being treated by a proper regeneration process to meet a certain water quality standard and meet a certain use function Request water that can be used beneficially. Note. Rewrite GB/T 19923-2005, definition 3.2. 3.2 Biological toxicity test Using biological reactions to determine the impact or harm caused by one or more pollutants or environmental factors alone or in combination. Note. The biological reactions used include reactions at all levels of molecules, cells, tissues, organs, individuals, populations, communities and ecosystems. 3.3 Sample preparation According to the requirements of the detection method, the samples are processed to all sample preparation processes that meet the requirements of subsequent testing. Note. Including but not limited to sample thawing, mixing, separation of soluble and granular components, pH adjustment, pre-concentration and other steps. 3.4 Subsample Take a representative part of the sample from the sample.

4 samples

4.1 Sample collection 4.1.1 The sample collection should comply with the regulations of HJ494. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 39304-2020_English be delivered?

Answer: Upon your order, we will start to translate GB/T 39304-2020_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 39304-2020_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 39304-2020_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.