List of Qualified Ambient Air Particulate Matter (PM2.5) Samplers for Suitability Testing (As of December 31, 2021)

No.

Company Name

Instrument Name and Model

Report Number

1

Wuhan Tianhong Instrument Co., Ltd.

TH-16Ea Ambient Air Particulate Matter (PM₁₀ and PM_2.5) Sampler

Cert. (Recog.) No. No. 2017-149

2

Wuhan Tianhong Instrument Co., Ltd.

TH-16E Ambient Air Particulate Matter (PM_2.5) Sampler

Cert. (Recog.) No. No. 2017-155

3

Comde-Derenda (Wuxi) Measurement Technology Co., Ltd.

PNS 16T-3.1 Ambient Air Particulate Matter (PM_2.5) Sampler

Cert. (Recog.) No. No. 2017-200

4

Comde-Derenda (Wuxi) Measurement Technology Co., Ltd.

LVS Ambient Air Particulate Matter (PM_2.5) Sampler

Cert. (Recog.) No. No. 2017-201

5

Qingdao Laoying Environmental Technology Co., Ltd.

Laoying2030D Ambient Air Particulate Matter (PM_2.5) Sampler

Cert. (Recog.) No. No. 2017-202

6

Dandong Bettersize Instruments Ltd.

BTPM-HS Ambient Air Particulate Matter (PM₁₀ and PM_2.5) Sampler

Cert. (Recog.) No. No. 2018-002

7

Thermo Fisher Scientific (China) Co., Ltd.

2025i Ambient Air Particulate Matter (PM₁₀/ PM_2.5) Sampler

Cert. (Recog.) No. No. 2018-042

8

Thermo Fisher Scientific (China) Co., Ltd.

2000i Ambient Air Particulate Matter (PM₁₀/ PM_2.5) Sampler

Cert. (Recog.) No. No. 2018-043

9

Dandong Right Technology Co., Ltd.

RT-CS Ambient Air Particulate Matter (PM₁₀/PM_2.5) Sampler

Cert. (Recog.) No. No. 2019-036

10

Qingdao Zhongrui Intelligent Instrument Co., Ltd.

ZR-3930B Ambient Air Particulate Matter (PM_2.5) Sampler

Cert. (Recog.) No. No. 2019- 152

11

Focused Photonics (Hangzhou) Inc.

PMS-200A Ambient Air Particulate Matter (PM_2.5) Sampler

Cert. (Recog.) No. No. 2021-007