13.040.20 - Ambient atmospheres

GB 3095-2026 in English

Ambient air quality standards

VALID

Issued on:2026-02-27 | Implemented on:2026-03-01

DB15/T 4282-2026 in English

VALID

Issued on:2026-01-30 | Implemented on:2026-03-01

DB15/T 4286-2026 in English

VALID

Issued on:2026-01-30 | Implemented on:2026-03-01

DB15/T 4289-2026 in English

VALID

Issued on:2026-01-30 | Implemented on:2026-03-01

DB34/T 5383-2026 in English

VALID

Issued on:2026-01-05 | Implemented on:2026-02-05

DB12/ 1456-2025 in English

VALID

Issued on:2025-12-25 | Implemented on:2026-01-01

DB21/T 20015-2025 in English

VALID

Issued on:2025-09-23 | Implemented on:2025-12-24

DB14/T 3451-2025 in English

VALID

Issued on:2025-06-03 | Implemented on:2025-09-03

DB14/T 3452-2025 in English

VALID

Issued on:2025-06-03 | Implemented on:2025-09-03

JB/T 14854-2025 in English

Electrochemical sulfur dioxide gas sensor

VALID

Issued on:2025-05-09 | Implemented on:2025-11-01