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Table 2 Methodology and instrument used for air quality analysis

From: Screening potential plant species for arresting particulates in Jharia coalfield, India

Parameter

Method

Instrument

PM2.5

Gravimetric and Beta

attenuation Method

APM550 as per USEPA guidelines

PM10

Gravimetric and

Beta attenuation Method

APM550 as per USEPA guidelines

pH

Conductivity

pH meter

Total chlorophyll and ascorbic acid

Machlachlan and Zalik, 1963 and

Keller and Schwager, 1977 respectively

Centrifuge, Spectrophotometer

Relative water content

Weatherly, 1965

Oven