In the study of pollution SPM refers to ........

Current Events and Developmental Issues Sustainable Development and Envirnmental Issues

In the study of pollution, SPM refers to

This questions was previously asked in

EPFO APFC (2015)

Sulphur Phosphorus Matter

Sulphur Particulate Matter

Solid Particulate Matter

Suspended Particulate Matter

- Option 1: Sulphur Phosphorus Matter

- Incorrect. SPM does not refer to Sulphur or Phosphorus.

- Option 2: Sulphur Particulate Matter

- Incorrect. SPM is not specific to sulphur-based particulates.

- Option 3: Solid Particulate Matter

- Incorrect. While SPM includes solid particles, it is not limited to solids only.

- Option 4: Suspended Particulate Matter

- Correct. SPM refers to small particles that remain suspended in the air, including both solid and liquid particles.

Correct Answer: Option 4: Suspended Particulate Matter

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