Date	Depth (m)	Oxygen (ppm)	Temp. (C)
09/11/1989	0	10.0	20.0
09/11/1989	1	9.8	20.4
09/11/1989	2	9.8	20.4
09/11/1989	3	9.9	19.0
09/11/1989	4	9.8	18.0
09/11/1989	5	8.8	16.8
09/11/1989	6	8.4	16.5
09/11/1989	7	8.3	16.1
09/11/1989	8	7.8	16.0
09/11/1989	9	7.0	16.0