HJ 442.9-2020 in English

SUPERSEDED

Technical specification for offshore environmental monitoring Part 9 emergency monitoring and special subject monitoring

Issued on:2020-12-16
Implemented on:2021-03-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $210.00
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Standard No:	HJ 442.9-2020
Document status:	SUPERSEDED
Superseded by:	HJ 442-2008 Specification for offshore environmental monitoring
Superseded on:	2009-01-01
Title in English:	Technical specification for offshore environmental monitoring Part 9 emergency monitoring and special subject monitoring
Title in Chinese:	近岸海域环境监测技术规范第九部分近岸海域应急与专题监测
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2020-12-16
Implemented on:	2021-03-01
Superseding:	HJ 442-2008 Specification for offshore environmental monitoring
Professional Classification:	HJ-Environment
Related Topics:	close Inshore waters Monitoring range Environmental monitoring Inshore waters Offshore waters engineering Basis for division of coastal waters Environmental emergency detection box Environmental emergency detection box coastal town Emergency monitoring box Environment and equipment monitoring near shore protein US Coast Monitor Seawater sample monitoring Ocean nearshore coastal sea Modern analysis and testing technology Technical Feasibility Coast shore Monitoring range sea area Environmental emergency detection near shore protein Metrology and Environmental Monitoring offshore farm Environmental emergency detection recent environmental issues Coastal Monitoring Technical Regulations Coastal Monitoring Network coast monitoring Near sea spring coastal experts Coastal Monitoring System Emergency Monitoring Techniques and Methods Coastal Mapping near Modern Environmental Monitoring Technology Environmental issues in recent years domain environment 14th Five-Year Offshore Marine Environmental Protection 14th Five-Year Inshore waters Offshore herbicide Nearshore layout Coastal monitoring Nine inaccuracies in environmental monitoring Nearshore sea environment monitoring technology Nearshore sea environment monitoring Offshore container applications Nearshore sea ecological environment monitoring technology

本标准规定了近岸海域突发环境事件和专题监测的基本要求。
本标准适用于近岸海域突发环境事件监测和专题监测的方案和预案制定与修订、样品采集、分析和质量控制等工作。

Introduction

Background of Standard Revision and Technological Evolution

As the ninth part of the HJ 442 series of specifications, this standard was first published in 2008. This revision mainly responds to the following technical needs:

Added the definition and monitoring requirements of green tide to cope with the large-scale seaweed ecological disasters in recent years
Strengthen the requirements for the preparation of emergency plans and improve the dynamic adjustment mechanism of monitoring methods
Integrate and optimize the monitoring technology system, and cancel non-essential content such as scientific research monitoring

Core Content Analysis

Emergency Monitoring Technology Framework

Monitoring Type	Required Items	Frequency Requirements	Technical Basis
Red Tide Monitoring	Species/quantity of phytoplankton, chlorophyll a, 6 hydrological and meteorological elements	1-2 times a day in the initial stage, once every 2 days in the later stage	HY/T 069
Oil spill monitoring	Petroleum, polycyclic aromatic hydrocarbons (PAHs), 3 hydrological elements	Once a day, twice a day for major accidents	HY/T 095
Chemical leaks	Characteristic pollutants and derivatives, dissolved oxygen, pH	1-2 times a day, once every 2 days after stabilization	HJ 589

Key points for the implementation of thematic monitoring

Typical case of intertidal zone monitoring

Monitoring in Zhoushan Islands, Zhejiang Province shows that:

The cross-section layout needs to cover the high tide zone (2 points), mid tide zone (3 points), and low tide zone (1-2 points)
Biomass monitoring needs to distinguish seasonal differences. The average value in winter is 42%
The proportion of points where sulfide in sediments exceeds the standard is as high as 28.6%

Implementation suggestions

Emergency response classification: Establish a red/orange/yellow/blue four-level response mechanism according to the impact range
Technical integration: Combine Remote sensing monitoring and on-site sampling to improve monitoring efficiency
Quality control enhancement: Strictly implement the parallel sample control requirements of HJ 442.1 (≥10%)
Data linkage: Establish a real-time data sharing mechanism with maritime and meteorological departments

More samples: DL/T 5154-2012 NB/T 47013.2-2015 YD/T 3934-2021

Sample only — not a preview of HJ 442.9-2020

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