Flow diagram of decision making for analyzing geoduck clams for inorganic arsenic
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No. Will area be harvested in 2014 or 2015?. Delay total arsenic testing until near harvest. Yes. Conduct preliminary evaluation of existing data and information . Level of concern low or elevated?. Elevated. Low.

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Flow diagram of decision making for analyzing geoduck clams for inorganic arsenic

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Flow diagram of decision making for analyzing geoduck clams for inorganic arsenic

No

Will area be harvested

in 2014 or 2015?

Delay total arsenic

testing until near harvest.

Yes

Conduct preliminary evaluation of existing data and information

Level of concern low or elevated?

Elevated

Low

Flow diagram of decision making for analyzing geoduck clams for inorganic arsenic

Three samples three clams each

Five samples three clams each

Total arsenic greater

than or equal to 3 ppm?

No

Yes

Test harvest area

for inorganic arsenic.

Inorganic arsenic

testing

No

Allow certification for PRC

from this harvest area.

Inorganic arsenic level greater

than or equal to 0.5 ppm?

Yes

Retest for inorganic arsenic.

Source: NOAA Seafood Inspection Program, April 2014


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