Ph meters page # 3

-5%

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2

-6%

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2

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5.0

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4.0

-4%

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5.0

-1%

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-4%

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10

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1

-0.3%

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1

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-7%

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1

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2

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5.0

-59%

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-2%

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1

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1

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-13%

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-0.8%

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-5%

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-7%

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-0.2%

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8

1

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12

1

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1

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1

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-1%

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-10%

Incomplete data

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1

-1%

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1

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-6%

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1