Standard No.:	HJ 1458-2026
English Name:	Stationary source emission — Determination of 30 volatile organic compounds — Bag sampling / Portable gas chromatography-mass spectrometry
Chinese Name:	固定污染源废气 30种挥发性有机物的测定 气袋采样/便携式气相色谱-质谱法
Chinese Classification:	Z10    Environmental pollutant monitoring methods
Professional Classification:	HJ    Professional Standard - Environment
ICS Classification:	13.040.99 13.040.99    Other standards related to air quality 13.040.99
Source Content Issued by:	MEE
Issued on:	2026-01-20
Implemented on:	2026-5-1
Status:	to be valid
Target Language:	English
File Format:	PDF
Word Count:	16500 words
Translation Price(USD):	495.0
Delivery:	via email in 1~5 business day

本标准规定了测定固定污染源废气中挥发性有机物的气袋采样/便携式气相色谱-质谱法。
本标准适用于固定污染源废气中丙酮等30 种挥发性有机物的现场测定。
在全扫描模式下，当使用吸附管富集进样，进样体积为60 mL 且分流比为40:1 或进样体积为6 mL且不分流进样时，方法检出限为0.05 mg/m3～0.4 mg/m3，测定下限为0.2 mg/m3～1.6 mg/m3；当使用定量环直接进样，定量环体积为400 μL且分流比为40:1 或定量环体积为200 μL 且不分流进样时，方法检出限为0.9 mg/m3～7 mg/m3，测定下限为3.6 mg/m3～28 mg/m3。详见附录A。