OG004 1.0 150796 25.00 4.10 2.17 4.15 OG012 1.0 150796 16.00 5.03 2.31 5.22 OG016 1.0 150796 10.00 5.91 2.63 5.74 OGTFW 1.0 150796 0.00 5.71 3.50 5.74 Comments: TFW = sample taken from small boat in tidal freshwater