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Table 4 Estimated hydrazine concentrations in US STPs

From: Analysis of hydrazine in smokeless tobacco products by gas chromatography–mass spectrometry

US STPs

Style

Hydrazine content (ng/g)

No of replicates with peaks below LOD corresponding to hydrazine

Beech Nut

Chewing tobacco

<LOD

2

Chattanooga

<LOD

2

Durango

<LOD

0

Lancaster

<LOD

0

Levi Garrett

<LOD

1

Morgans

<LOD

1

Red Man Gold

<LOD

0

Red Man Regular

<LOD

0

Southern Pride

<LOD

0

Starr

<LOD

1

Stoker 707 Wintergreen

<LOD

0

Taylors Pride

<LOD

0

Trophy

<LOD

1

Bruton

Dry snuff

<LOD

2

Dental Sweet

<LOD

0

Garrett

<LOD

3

Honest

<LOD

3

Square

<LOD

1

CRP3

<LOD

0

Ariva Java

Hard pellet

<LOD

1

Stonewall Wintergreen

<LOD

1

Oliver Twist Original

Soft pellet

<LOD

1

Copenhagen LC

Moist snuff

<LOD

-

Copenhagen Straight LC

<LOD

0

Grizzly Natural LC

<LOD

0

Husky Natural FC

<LOD

1

Husky Straight LC

<LOD

2

Husky Wintergreen

<LOD

3

Kayak Straight LC

<LOD

3

Kodiak Straight LC

<LOD

1

Kodiak Wintergreen

<LOD

0

Red Seal Natural FC

<LOD

1

Red Seal Natural LC

<LOD

1

Silver Creek

<LOD

2

Skoal Straight

<LOD

1

Timber Wolf Natural FC

<LOD

0

Timber Wolf Straight LC

<LOD

0

CRP2

<LOD

2

Cannonball

Plug

<LOD

-

Camel Frost

US snus

<LOD

1

Camel Mellow

<LOD

0

Marlboro Mild

<LOD

1

Marlboro Peppermint

<LOD

0

Marlboro Rich

<LOD

0

Marlboro Spearmint

<LOD

1

  1. All STPs have mean hydrazine contents below the LOD (<10 ng/g STP “as sold”).