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# Processing wild-caught salmon for RM 8256

## Appears In

                        - Four NIST Reference Materials Help Authenticate Shrimp and Salmon

So that NIST reference material 8256 represents a salmon food item, it was prepared from the same type of filets that are sold in stores. Wild-caught coho salmon (Oncorhynchus kisutch) was purchased from a commercial fishing operation based in Alaska, USA. Fish were caught via hook and line 19 km (12 miles) to 24 km (15 miles) offshore between Yakutat and Prince of Wales Island during the 2017 summer fishing season. Fish were processed (headed and gutted) and frozen on the boat to maintain maximum freshness. Frozen fish were shipped to NIST Charleston on blue ice packs and were stored at −40 °C until processing.

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