Table 6.4      Summary Table of 24-hour RSP Monitoring Results (Ambient Arsenic) during the Reporting Month

Monitoring Date

Monitoring Station

Concentration

(ng/m3)

Action Level (ng/m3)

Limit Level, (ng/m3)

03/09/2025

KTN-DMS4(A)

4.67

9.36

11.7

09/09/2025

3.66

15/09/2025

4.64

19/09/2025

4.14

25/09/2025

4.05

29/09/2025

4.58