Internal organs of dead bird were 2.3% Petroleum Hydrocarbons (Lab Results)

Wednesday, September 29, 2010
By Paul Martin
September 29th, 2010

Dead Results of sampling performed by the in Terrebonne Bay on August 19, 2010… south of Point-au-Chien, Modato Island:

Samples were collected along the shore of the island, 10-12 inches deep, under the vegetation matted material washed in by the tide. The soil/sediment sample was contaminated with 48.4 mg/kg of Petroleum Hydrocarbons and 10 Polynuclear Aromatic Hydrocarbons (0.039 mg/kg).
The internal organs from a gull, found dead, on the island contained 23,302 mg/kg Petroleum Hydrocarbons (2.3%). The Blue Crab and Hermit Crab contained 3,583 mg/kg Petroleum Hydrocarbons and 4 PAHs (0.162 mg/kg).
At the southwest end of Modato Island the sediment/soil was contaminated with higher concentrations of Petroleum Hydrocarbons and Polynuclear Aromatic Hydrocarbons (PAHs), 68.3 mg/kg Petroleum Hydrocarbons and 14 Polynuclear Aromatic Hydrocarbons (0.051 mg/kg).
On the north shoreline of Lake Chien… Fiddler Crab and Snail from this area contained 6,916 mg/kg Petroleum Hydrocarbons and 1 PAH (0.012 mg/kg).
The marsh grass along the shoreline of Lake Chien contained 3,946 mg/kg Petroleum Hydrocarbons and 10 PAHs (0.326 mg/kg).
Bird Island” Testing Results, Lower Mississippi Riverkeeper (Wilma Subra, Chemist), September 28, 2010:

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