Table 4. Concentrations (mg/l) of Na, K, Ca, Mg, Fe, Sr, and Si in surface water and pore water from 1994 and 1995 USGS cores at selected sites in south Florida. Surface water samples are indicated by the 0 cm depth interval.
Core #	Depth (cm)	Na	K	Ca	Mg	Fe	Sr	Si
I. Water Conservation Area 1A (Loxahatchee NWR)
1. GP42195P1 1A - 1	0	28.6	<10	19.4	6.4	<0.1	0.52	<1.0
	2	98.7	<10	70.3	24.5	<0.1	2.13	<1.0
	6	127	<10	91.0	33.1	<0.1	2.76	<1.0
	27	185	13.5	119	45.4	<0.1	3.82	<1.0
	37	185	<10	111	44.2	<0.1	3.55	<1.0
	47	121	<10	68.3	25.4	<0.1	2.22	<1.0
	57	204	<10	115	44.4	<0.1	3.78	<1.0
2. GP42195P2 1A - 7	No Data
	No Data
II. Water Conservation Area 2A
3. GP3194P1 2A - E1	0	112	14	74.3	29.0	<0.1	2.2	<1.0
	2	140	13	107	34.3	0.11	2.8	<1.0
	9	165	16	136	37.6	0.18	3.4	<1.0
	14	156	<10	111	30.2	<0.1	2.6	<1.0
	24	166	<10	113	30.2	<0.1	2.6	<1.0
	34	165	<10	110	29.5	<0.1	2.5	<1.0
	44	175	<10	120	31.2	<0.1	2.5	<1.0
	54	179	<10	126	32.3	<0.1	2.6	<1.0
	64	128	<10	96.4	23.5	<0.1	1.8	<1.0
Table 4. Continued.
Core #	Depth (cm)	Na	K	Ca	Mg	Fe	Sr	Si
4. GP3194P2 2A - U3	0	130	22	79.0	31.4	<0.1	2.4	<1.0
	2	147	14	86.8	36.0	<0.1	2.6	<1.0
	7	179	15	101	43.0	<0.1	3.1	<1.0
	12	128	11	70.0	30.9	<0.1	2.2	<1.0
	17	168	13	90.1	37.2	<0.1	2.5	<1.0
	27	194	19	104	37.1	<0.1	2.4	<1.0
	42	207	12	114	33.8	<0.1	2.2	<1.0
5.GP42595P1 2A - U3	0	97.2	<10	47.8	26.7	<0.1	1.75	<1.0
	2	151	17.5	107	41.1	<0.1	3.38	<1.0
	6	150	12.5	107	41.8	<0.1	3.38	<1.0
	10	152	<10	102	41.0	<0.1	3.12	<1.0
	21	180	<10	110	40.8	<0.1	3.12	<1.0
	36	124	<10	74.5	23.0	0.18	1.75	<1.0
	41	180	<10	116	34.1	0.32	2.70	<1.0
	51	174	<10	116	31.6	0.74	2.47	1.23
	61	181	<10	124	32.6	1.23	2.47	1.23
	71	180	<10	126	31.1	1.17	2.47	<1.0
6. GP42695P1 2A - F1	0	138	<10	95.2	36.9	<0.1	2.84	1.23
	3	307	<10	201	66.5	<0.1	5.07	1.33
	7	357	<10	219	73.2	<0.1	5.60	2.73
	11	374	<10	224	76.4	<0.1	5.72	4.40
Table 4. Continued.
Core #	Depth (cm)	Na	K	Ca	Mg	Fe	Sr	Si
6. GP42695P1 2A - F1	15	300	<10	176	63.4	<0.1	4.73	2.87
	20	327	<10	183	65.1	<0.1	4.87	2.87
	25	460	<10	260	89.2	<0.1	6.60	4.40
	40	480	<10	265	93.7	<0.1	6.82	4.35
	50	391	<10	216	77.1	<0.1	5.73	4.30
III. Water Conservation Area 3A
7. GP22794P1 3A - TT	0	37.5	<10	49.5	8.8	<0.1	0.53	<1.0
	90	36.8	<10	74.0	8.7	<0.1	0.49	<1.0
8. GP42795P1 3A - 15	0	29.2	<10	62.1	9.6	0.28	0.62	<1.0
	2	40.2	<10	74.9	9.8	0.13	0.73	<1.0
	6	40.5	<10	73.8	9.2	<0.10	0.69	<1.0
	10	39.1	<10	87.7	9.6	0.42	0.77	<1.0
	14	41.2	<10	96.8	10.0	0.94	0.86	<1.0
	18	42.4	<10	106	10.3	1.3	0.98	<1.0
	25	41.8	<10	101	9.6	2.3	0.98	<1.0
	30	41.5	<10	112	11.2	2.1	1.11	<1.0
	40	33.7	<10	105	7.9	1.6	1.08	<1.0
	50	38.3	<10	145	10.5	2.3	1.52	<1.0
	60	36.4	<10	152	11.1	1.4	1.62	<1.0
	70	28.8	<10	131	9.4	1.5	1.40	<1.0
Table 4. Continued.
Core #	Depth (cm)	Na	K	Ca	Mg	Fe	Sr	Si
9. GP42795P2 3A - 3	0	64.3	<10	93.0	17.3	<0.1	1.09	<1.0
	5	74.5	<10	127	18.4	0.14	1.32	<1.0
	10	79.7	<10	168	24.0	<0.1	1.68	<1.0
	15	72.0	<10	158	21.5	<0.1	1.62	<1.0
	20	59.5	<10	134	18.5	<0.1	1.38	<1.0
IV. Everglades National Park
10. GP22694P1 ENP - PHO	0	44.4	<10	52.9	6.0	<0.1	0.54	<1.0
	110	30.8	40	82.2	5.2	<0.1	0.58	<1.0
11. GP3694P1 ENP - GH	0	29.3	<10	93.0	5.0	<0.1	0.68	<1.0
	10	31.8	<10	101	5.3	0.84	0.78	<1.0
	15	31.3	<10	94.2	5.1	1.00	0.77	<1.0
	41	29.4	<10	120	7.0	<0.1	0.96	<1.0
12. GP42395P1 ENP - TC2	0	5088	187	229	614	<0.1	3.72	<1.0
	3	4524	155	259	532	<0.1	3.72	<1.0
	7	3046	97.4	175	381	<0.1	2.59	<1.0
	15	4453	148	204	547	<0.1	3.20	<1.0
	32	6027	198	260	741	<0.1	4.10	<1.0
	42	7858	277	324	940	<0.1	5.47	<1.0
	62	9842	328	400	1151	<0.1	6.16	<1.0

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