Date	Depth (m)	Oxygen (ppm)	Temp. (C)
09/04/1987	0	9.0	19.5
09/04/1987	1	9.0	19.5
09/04/1987	2	9.0	19.5
09/04/1987	3	9.0	19.5
09/04/1987	4	9.0	19.5
09/04/1987	5	7.3	18.5
09/04/1987	6	0.5	15.5
09/04/1987	7	0.2	11.0
09/04/1987	8	0.2	10.0
09/04/1987	9	0.1	9.0
09/04/1987	10	0.1	8.0