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Table 4 Types of primary and secondary pollutants in water studies in Iranian environmental health journals (2008–2017), by EPA classification

From: A glance at one decade of water pollution research in Iranian environmental health journals

Type of water pollutants

Pollutant

Number

Percentage

Primary pollutants

Microbial, Chemical, Organic, Mineral, Disinfection, Radionuclides, Antibiotics

280

65.1

Secondary pollutants

Physical pollutants, Heat, Cold, Turbidity, Aesthetic (taste and odor), colour

93

21.7

Both types

Primary and secondary pollutants

57

13.2

Total

430

100