T/LZZLXH 058-2021 Active Group standards

T/LZZLXH 058-2021 Collection Technical Specification for Drinking Water Samples

Publish Date: 2021-01-25 Implement Date: 2021-02-26 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/LZZLXH 058-2021

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Health

ICS Name: Terminology (principles and coordination and cooperation)

Publish Date: 2021-01-25

Implement Date: 2021-02-26

Scope

Main technical content: **Sampling Techniques**: 4.1 **Location Requirements**: 4.1.1 **Outlet Water**: Samples should be collected after the water treatment process in the water plant and before entering the water distribution pipes. Specifically, samples should be collected from the outlet pipes in the pump house of the water plant. If sampling from the pump house is not possible, samples should be collected from the nearest available outlet point closest to the pump house. 4.1.2 **Tap Water**: Samples should be collected from the outlet point closest to the user's water meter and frequently used by the user. Samples should not be collected after water treatment. 4.1.3 **Secondary Water Supply**: 4.1.3.1 **Water Tanks or Storage Tanks**: Samples should include the inlet, outlet, and tap water from the water tank or storage tank. If there are multiple tanks or storage tanks, samples should be collected from each one. 4.1.3.2 **Pressurized (Non-negative Pressure) Water Supply Equipment**: Samples should include the inlet, outlet, and tap water. 4.1.3.3 **Box-type Pressurized (Non-negative Pressure) Water Supply Equipment**: Samples should include the inlet, tank outlet, equipment outlet, and tap water. 4.1.4 **Decentralized Water Supply**: Samples should be collected from the water intake point selected for decentralized water supply. --- **Key Notes**: - Technical terms like "outlet water," "tap water," and "secondary water supply" require accurate translation to ensure clarity in the technical context. - Specific requirements such as sampling locations (e.g., pump house outlet pipes, user water meters, etc.) must be precisely translated to avoid ambiguity. - The term "secondary water supply" should be translated as "secondary water supply" to maintain consistency with industry terminology. - The structure of the paragraphs should be preserved to reflect the hierarchical organization of the original text. - Emojis and punctuation sh