Date	Depth (m)	Oxygen (ppm)	Temp. (C)
09/20/1990	0	9.1	17.8
09/20/1990	1	9.0	17.8
09/20/1990	2	8.9	17.8
09/20/1990	3	8.9	17.8
09/20/1990	4	8.9	17.8
09/20/1990	5	8.8	17.8
09/20/1990	6	8.8	17.8
09/20/1990	7	8.9	17.8
09/20/1990	8	8.9	17.8
09/20/1990	9	10.6	16.7
09/20/1990	10	12.2	12.2
09/20/1990	11	12.3	10.8
09/20/1990	12	12.2	9.2
09/20/1990	13	12.1	8.2
09/20/1990	14	11.8	7.8
09/20/1990	15	10.7	6.9
09/20/1990	16	10.2	6.5
09/20/1990	17	7.7	6.1
09/20/1990	18	4.9	5.9
09/20/1990	19	3.1	5.7
09/20/1990	20	1.0	5.6
09/20/1990	21	0.8	5.5
09/20/1990	22	0.7	5.4
09/20/1990	23	0.6	5.3