EPA Report on Recycled Tire Rubber Crumb for Infill

Page 103

Table C-7. Results of Analysis of Synthetic Turf Blades for Total Extractable Metals (Âľg/g; based on total extractable amounts from consecutive in vitro and Method 3050B extractions) Site and Blade Colora

Pb

Cr

Zn

Al

As

Ba

Cd

Cu

Fe

Mn

Ni

F1

Red

389

73.1

351

1,090

0.40

141

0.16

5.83

738

7.70

1.96

F1

Green

3.84

9.71

316

2,090

0.47

88

0.07

44.8

2,060

9.41

3.22

F1

White

4.28

0.99

688

1,320

0.60

114

NRb

7.42

721

6.83

3.98

F1

Black

2.76

1.91

729

1,290

0.29

111

NR

5.91

787

6.02

1.00

F3

Red

2.40

1.20

199

947

0.22

1,950

NR

3.19

449

8.35

0.10

F3

White

1.97

0.08

255

336

NR

38

NR

1.54

138

3.36

1.66

Green, white, 2.08 3.72 206 2,120 0.25 50 NR 74.1 4,950 12.07 2.94 yellow mix Green, white, d F5 68.3 3,300 6.05 2.43 701 177 131 1,620 0.12 40 <MDL yellow mix c Green, white, F6 77.1 18.9 175 1,150 0.05 303 NR 34.9 3,230 4.94 14.3 yellow mix a F = synthetic turf fields. b NR = not reported; analytical result <0 after blank correction. c Blade samples collected from a field with an apparently patched area. Also, the Method 3050B extract for this sample spilled during processing. d <MDL = extract concentration less than the method detection limit in both in-vitro and Method 3050B analyses. F4

Table C-8. Results of Analysis of Playground Tire Crumb for Total Extractable Metals (Âľg/g; based on total extractable amounts from consecutive in vitro and Method 3050B extractions) Site, Sampling Location, and Tire a Crumb Piece

Pb

Cr

Zn

Al

As

Ba

Cd

Cu

Fe

Mn

Ni

P1

Loc. A, TC 1

0.99

0.28

4,330

96.4

0.04

5.70

0.09

0.05

37.2

0.47

0.24

P1

Loc. A, TC 2

2.43

0.52

9,717

92.3

0.15

0.72

0.34

1.02

82.3

1.29

0.25

P1

Loc. A, TC 3

46.3

1.66

11,100

372

0.96

18.9

6.14

1.82

384

4.58

1.60

P1

Loc. A, TC 4

6.31

0.72

6,730

138

0.28

3.75

0.84

2.83

154

2.81

0.62

P1

Loc. A, TC 5

4.64

0.76

8,250

799

0.59

3.46

0.11

1.66

274

1.86

2.09

P1

Loc. B, TC 1

443

0.76

17,500

350

15.0

13.3

10.5

3.74

320

8.83

2.48

P1

Loc. B, TC 2

0.99

0.26

6,630

44.3

0.08

1.89

0.05

1.26

57.4

2.24

0.79

P2

TC 1

7.75

1.61

18,000

126

0.25

8.46

0.21

2.74

1,900

7.76

1.69

P2

TC 2

3.42

2.97

12,100

170

0.28

11.0

0.67

4.98

6,180

4.27

1.11

a

P = playground; Loc. = sampling location; TC = different pieces of tire crumb from two sampling locations at site P1 were analyzed; two pieces of tire crumb from site P2 were analyzed.

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