DB21/T 20015-2025 Active Liaoning ProvinceLocal standards

DB21/T 20015-2025 Environmental Air Quality Forecasting Technical Specification

Publish Date: 2025-09-23 Implement Date: 2025-12-24 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: DB21/T 20015-2025

Standard Type: Local standards

Standard Status: Active

is_force_gb: no

CCS Name: Environment quality standards

ICS Name: Environmental air

Publish Date: 2025-09-23

Implement Date: 2025-12-24

Publisher: 辽宁省市场监督管理局

Technical Committee: 辽宁省生态环境厅、吉林省生态环境厅、黑龙江省生态环境厅、内蒙古自治区生态环境厅

Development Information

Related Standards

GB/T 6919-1986 Abolished

GB/T 6919-1986 Air quality—Vocabulary

Publish Date: 1986-10-10

GB/T 6921-1986 Abolished

GB/T 6921-1986 Determination of the concentration of airborne particulate matters

Publish Date: 1986-10-10

GB 7355-1987 Abolished

GB 7355-1987 Sanitary standard for lead and it's inorganic compounds in the atmosphere

Publish Date: 1987-02-16

GB/T 8911-1988 Abolished

GB/T 8911-1988 Hygienic determination method of carbon monoxide in air of residential areas—Method of replacing mercury

Publish Date: 1988-02-23

GB/T 8912-1988 Abolished

GB/T 8912-1988 Hygienic determination method of arsenide in air of residential areas—Silver diethyldithiocarbamate spectrophotometric method

Publish Date: 1988-02-23

GB/T 8913-1988 Active

GB/T 8913-1988 Hygienic determination method of sulfur dioxide in air of residential areas—Tetrachloromercurate (TCM)-pararosaniline spectrophotometric method

Publish Date: 1988-02-23