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Table 1 Measurements of dust for carpenters (GM, GSD, and AM)

From: Total and respirable dust exposures among carpenters and demolition workers during indoor work in Denmark

 

Number of measurements

Average sampling time (min)

Sampling time (min-max) (min)

Number of <LOD

GM mg/m3 GSD

AM mg/m3

min-max

Total dust

 Gypsum, installation

8

346

296–401

0

2.22

1.77

2.63

1.40–7.00

 Ceilings, installation

12

281

211–292

0

0.86

3.92

1.56

0.08–4.00

 Installation of windows, doors

5

308

262–433

0

0.61

1.78

0.69

0.32–1.00

 Installation of floors

4

240

233–245

0

1.00

1.80

1.14

0.52–1.70

 Insulation

5

232

100–289

0

1.59

1.13

1.60

1.30–1.80

 Wood work

2

219

101–336

0

1.57

1.31

1.60

1.30–1.90

 Other (stiffening of beams)

2

206

167–244

0

5.50

1.82

6.00

3.60–8.40

 Total

38

280

100–401

0

1.26

2.90

1.94

0.08–8.40

Respirable dust

 Gypsum, installation

8

213

185–250

0

0.57

1.75

0.67

0.27–1.50

 Ceilings, installation

0

-

-

0

-

-

-

-

 Installation of windows, doors

5

205

196–239

1

0.18

1.75

0.20

<0.07–0.31

 Installation of floors

2

244

239–249

0

0.24

1.22

0.25

0.20–0.30

 Insulation

3

200

177–247

1

0.15

1.67

0.17

<0.09–0.30

 Wood work, milling and cutting

5

198

187–248

1

0.16

1.42

0.17

<0.09–0.24

 Other

2

202

196–208

0

0.42

1.85

0.46

0.27–0.65

 Total

25

210

177–250

3

0.27

2.13

0.37

<0.09–1.50

  1. Notes: GM geometric mean, GSD geometric standard deviation, AM arithmetic mean, <LOD below level of detection