Chemical Tracers in Northwest Atlantic Dogfish for Food Safety Analysis

A pilot study analyzed edible tissues from spiny and smooth dogfish collected in the Northeast Region of the US. The data likely contains concentrations of persistent organic pollutants like PCBs and DDTs, along with stable isotopes and lipids, to assess the influence of biological factors and geography. The dataset was produced by the National Oceanic and Atmospheric Administration's Northwest Fisheries Science Center.

Use Cases

• Modeling contaminant levels based on biological factors like fish length and sex mentioned in the description
• Assessing geographic variation in pollutant concentrations across the northwestern Atlantic collection region
• Evaluating food safety risks for exported seafood products based on measured toxic environmental contaminants
• Analyzing correlations between different persistent organic pollutants, stable isotopes, and lipids in dogfish tissues

Strengths

• Focus on high trophic level marine fish species relevant for bioaccumulation studies
• Analysis includes a suite of persistent organic pollutants, stable isotopes, and lipids
• Data collection involved both fleet study and dockside surveillance operations

Limitations

• Description metadata is limited; actual data quality requires manual inspection after download
• Column-level documentation is absent; field semantics must be inferred after download
• Row count is unknown, which may limit suitability assessment

Provenance

Source

National Oceanic and Atmospheric Administration, Department of Commerce

Collection Method

Samples collected during fleet study and dockside surveillance operations, analyzed at the Northwest Fisheries Science Center.

Time Range

null

Freshness

Last updated 2026-03-14 22:51:17.025194; freshness should be verified

Geography

Northeast Region of the US, northwestern Atlantic