Table 3. Surface water and pore water values for pH, titration alkalinity (T.A.), dissolved organic carbon (DOC), sulfide (H2S), Sulfate (SO42-), phosphate (PO43-), ammonium (NH4+), nitrate (NO3-), chloride (Cl-), fluoride (F-), and bromide (Br-) in USGS 1994 and 1995 cores from selected sites in south Florida. Surface water samples are indicated by depth 0 cm.
Core #	Depth (cm)	pH	T.A. (meq/l)	DOC (mg/l)	H2S (µg/l)	SO42- (mg/l)	PO43- (µg/l)	NH4+ (µg/l)	NO3- (mg/l)	Cl- (mg/l)	F- (mg/l)	Br- (mg/l)
I. Water Conservation Area 1A (Loxahatchee NWR)
1. GP42195P1 1A-1	0	6.8	1.2	20.4	<0.01	6.7	1.0	17.3	<0.5	36	0.09	---
	2	6.6	5.8	53.4	11.3	0.86	20.9	202	<0.5	136	0.41	---
	6	6.6	6.9	53.0	186	1.3	61.7	189	<0.5	114	0.45	---
	10	6.5	---	---	49.6	---	74.1	---	---	---	---	---
	17	6.6	---	77.8	0.32	---	76.0	---	---	---	---	---
	27	6.8	10.9	76.4	39.3	1.3	31.3	34.1	<0.5	255	0.43	---
	37	6.7	10.7	72.8	<0.01	0.65	26.6	47.4	<0.5	282	0.33	0.86
	47	6.7	10.3	66.6	<0.01	0.85	19.0	106	<0.5	253	0.38	0.81
	57	6.6	9.8	67.2	<0.01	0.56	11.4	161	<0.5	187	0.41	0.60
	67	6.7	---	62.0	0.01	---	5.7	225	---	---	---	---
	77	6.2	---	---	---	---	---	---	---	---	---	---
2. GP42195P2 1A-7	0	6.6	---	25.1	<0.01	1.1	<0.9	39.1	<0.5	22	0.07	---
	4	---	---	59.7	---	---	---	---	---	---	---	---
	9	5.8	---	40.0	---	---	5.7	---	---	---	---	---
	14	6.1	---	42.3	---	---	5.7	---	---	---	---	---
	19	6.2	---	34.3	---	---	<0.9	1340	---	---	---	---
	24	6.2	---	35.2	---	---	<0.9	---	---	---	---	---
	29	6.2	---	---	---	---	---	---	---	---	---	---
	39	6.1	---	---	---	---	---	---	---	---	---	---
	49	6.0	---	46.2	---	---	---	---	---	---	---	---
	59	6.2	---	31.4	---	---	<0.9	---	---	---	---	---
	75	6.1	-	---	---	---	---	---	---	---	---	---
Table 3. Continued.
Core #	Depth (cm)	pH	T.A.	DOC	H2S	SO42-	PO43-	NH4+	NO3-	Cl-	F-	Br-
II. Water Conservation Area 2A
3. GP3194P1 2A - E1	0	7.6	8.6	43.4	---	55	22.8	<3.0	<0.5	152	0.59	0.45
	2	7.8	10.6	99.8	---	2.5	1380	194	<0.5	208	0.50	0.64
	9	7.7	11.6	110	---	0.6	837	159	<0.5	186	1.30	0.59
	14	7.3	9.6	75.7	---	1.0	258	54.8	<0.5	186	0.63	0.63
	24	7.4	9.8	77.4	---	0.7	76.9	4.15	<0.5	195	0.46	0.60
	34	7.3	9.6	58.4	---	0.5	63.6	18.0	<0.5	234	0.53	0.66
	44	7.6	9.6	52.6	---	<0.5	74.1	49.2	<0.5	171	0.41	0.48
	54	7.2	10.5	59.7	---	2.0	36.1	21.1	<0.5	312	0.44	0.85
	64	7.2	11.4	65.3	---	2.3	58.9	33.6	<0.5	264	0.32	0.81
4. GP3194P2 2A - U3	0	7.6	6.6	33.7	---	41	22.8	5.0	<0.5	97	0.09	0.22
	2	7.1	9.5	135	---	63	144	349	<0.5	208	0.39	0.43
	7	7.4	9.6	59.1	---	49	31.3	312	<0.5	226	0.53	0.56
	12	7.4	9.5	49.9	---	43	67.4	344	<0.5	211	0.45	0.61
	17	7.3	9.5	66.2	---	30	208	266	<0.5	235	0.52	0.79
	27	7.2	10.6	78.4	---	9.9	22.8	146	<0.5	249	0.50	0.90
	42	7.2	11.0	127	---	2.0	81.7	194	<0.5	203	0.41	0.66
	52	---	---	---	---	1.4	26.6	298	<0.5	315	0.23	0.90
	62	---	---	---	---	---	29.4	---	---	---	---	---
5. GP42595P1 2A - U3	0	7.7	5.1	47.9	0.01	24	110	17.8	<0.5	64	0.41	<0.20
	2	6.9	8.1	45.4	1520	14	41.8	1780	<0.5	218	0.48	0.77
	6	6.8	8.5	53.9	1780	5.8	52.2	1790	<0.5	174	0.35	0.58
	10	6.7	9.3	52.2	1200	3.9	78.8	2350	<0.5	194	0.32	0.65
	14	6.7	---	53.0	1030	---	78.8	2537	---	---	---	---
	21	6.7	8.9	60.2	406	1.3	53.2	2320	<0.5	163	0.45	0.54
Table 3. Continued.
Core #	Depth (cm)	pH	T.A. (meq/l)	DOC (mg/l)	H2S ( µg/l)	SO42- (mg/l)	PO43- ( µg/l)	NH4+ ( µg/l)	NO3- (mg/l)	Cl- (mg/l)	F- (mg/l)	Br- (mg/l)
5. GP42595P1 2A - U3	26	6.8	---	---	42.5	---	---	---	---	---	---	---
	36	6.7	8.9	65.9	16.7	<0.5	44.6	2230	<0.5	222	0.45	0.73
	41	6.7	8.2	91.6	9.69	<0.5	33.2	1645	<0.5	141	0.37	0.42
	51	6.6	9.2	59.7	26.6	<0.5	43.7	1640	<0.5	212	0.29	0.54
	61	6.9	9.0	54.3	14.3	<0.5	19.9	1120	<0.5	178	0.45	0.52
	71	6.7	8.8	---	1.00	<0.5	35.1	1560	<0.5	254	0.47	0.69
6. GP42695P1 2A - F1	0	7.2	7.3	41.4	117	19	114	227	<0.5	145	0.42	0.49
	3	6.6	17.6	---	53.7	7	2720	2950	<0.5	393	0.78	1.5
	7	6.6	18.6	44.8	39.3	2.7	2210	3560	<0.5	124	0.69	0.48
	11	7.0	21.1	144	36.4	6.2	2540	2860	<0.5	402	0.70	1.7
	15	6.7	20.4	116	36.4	5.9	2510	2990	<0.5	528	0.93	2.1
	20	6.7	20.8	153	33.6	6.1	1990	2430	<0.5	404	0.72	1.7
	25	6.8	21.5	150	31.1	1.4	1740	2320	<0.5	264	0.66	0.94
	30	6.8	---	---	31.1	---	1360	---	---	---	---	---
	40	6.7	21.8	152	31.1	3.5	764	1620	<0.5	714	0.93	2.6
	50	6.8	21.7	158	33.6	1.7	736	1430	<0.5	585	0.88	1.9
	60	6.9	---	---	28.8	---	864	---	---	---	---	---
	70	6.9	---	---	28.8	---	---	---	---	---	---	---
III. Water Conservation Area 3A
7. GP22794P1 3A - TT	0	7.8	2.4	19.1	---	0.73	22.8	<3.0	<0.5	52	0.08	---
	6	---	---	35.2	---	<0.5	14.2	208	<0.5	54	0.66	---
	11	---	---	---	---	<0.5	31.3	---	2.4	45	0.61	---
	21	---	---	---	---	<0.5	22.8	225	<0.5	51	0.13	---
	31	---	---	---	---	<0.5	22.8	---	<0.5	46	0.15	---
	41	---	---	---	---	---	43.7	---	---	---	---	---
Table 3. Continued.
Core #	Depth (cm)	pH	T.A. (meq/l)	DOC (mg/l)	H2S ( µg/l)	SO42- (mg/l)	PO43- ( µg/l)	NH4+ ( µg/l)	NO3- (mg/l)	Cl- (mg/l)	F- (mg/l)	Br- (mg/l)
7. GP22794P1 3A - TT	51	---	---	21.4	---	<0.5	19.0	409	<0.5	46	0.10	---
	90	7.6	4.2	26.1	---	0.73	36.1	28.9	<0.5	52	0.14	---
8. GP42795P1 3A - 15	0	7.3	3.4	19.1	0.18	1.8	7.6	11.5	<0.5	42	0.09	---
	2	6.5	4.1	33.4	<0.01	1.1	30.4	1100	<0.5	61	0.14	---
	6	6.4	3.8	25.6	<0.01	<0.5	19.9	723	<0.5	62	0.12	---
	10	6.4	5.0	---	0.01	<0.5	24.7	778	<0.5	53	0.13	---
	14	6.5	5.4	25.6	0.01	<0.5	24.7	924	<0.5	60	0.12	---
	18	6.6	5.8	---	0.13	<0.5	19.9	934	<0.5	63	0.13	---
	25	6.7	6.1	25.7	2.37	<0.5	19.9	955	<0.5	52	0.14	---
	30	6.6	6.1	26.9	4.22	<0.5	17.1	847	<0.5	53	0.15	---
	40	6.7	6.8	23.8	0.10	<0.5	17.1	1360	<0.5	43	0.20	---
	50	6.6	7.6	27.6	1.78	<0.5	39.9	1510	<0.5	55	0.16	---
	60	6.7	7.7	25.1	0.03	<0.5	19.9	1740	<0.5	51	0.14	---
	70	6.7	8.3	24.1	0.18	<0.5	19.9	1810	<0.5	48	0.14	---
9. GP42795P2 3A - 3	0	7.3	6.0	28.6	0.04	6.6	13.3	28.1	<0.5	100	0.16	<0.20
	5	6.3	6.7	---	0.01	2.2	15.2	188	<0.5	115	0.25	0.48
	10	---	8.8	---	---	---	0.95	119	---	---	---	---
	15	6.6	9.6	37.4	<0.01	<0.5	0.95	75.2	<0.5	147	0.51	0.75
	20	6.6	9.5	26.0	0.10	<0.5	0.95	77.0	<0.5	139	0.36	0.87
IV. Everglades National Park
10. GP22694P1 ENP - PHO	0	7.3	2.4	9.6	---	1.2	22.8	10.8	<0.5	66	0.06	---
	5	---	---	---	---	<0.5	24.7	---	<0.5	59	0.66	---
	12	---	---	---	---	<0.5	121	---	<0.5	54	0.61	---
	22	---	---	---	---	<0.5	20.9	409	<0.5	54	0.13	---
Table 3. Continued.
Core #	Depth (cm)	pH	T.A. (mg/l)	DOC (mg/l)	H2S ( µg/l)	SO42- (mg/l)	PO43- ( µg/l)	NH4+ ( µg/l)	NO3- (mg/l)	Cl- (mg/l)	F- (mg/l)	Br- (mg/l)
10. GP22694P1 ENP - PHO	32	---	---	---	---	---	55.1	---	---	---	---	---
	110	7.3	4.6	8.5	---	<0.5	9.5	81.4	<0.5	51	0.06	---
11. GP3694P1 ENP - GH	0	7.8	4.7	10.9	---	<0.5	9.5	10.8	<0.5	46	0.10	<0.20
	1	7.9	---	30.2	---	1.0	20.9	408	<0.5	46	0.65	<0.20
	5	7.5	---	25.5	---	<0.5	9.5	408	<0.5	44	0.46	<0.20
	10	7.2	4.7	12.4	---	<0.5	12.3	409	<0.5	46	0.14	<0.20
	15	7.3	4.0	12.7	---	<0.5	9.5	393	<0.5	47	0.14	<0.20
	25	7.5	---	---	---	<0.5	19.0	410	<0.5	50	0.14	<0.20
	35	7.8	---	---	---	---	57.0	---	---	---	---	---
	41	---	6.2	---	---	<0.5	11.4	379	<0.5	42	0.10	<0.20
12. GP42395P1 ENP - TC2	0	7.7	3.3	7.4	<0.01	1170	<0.9	15.0	<0.5	9080	<1	---
	3	6.6	6.1	28.1	7210	862	36.1	1240	<0.5	7980	<1	---
	7	6.6	7.6	31.0	18300	640	129	1990	<0.5	9270	<1	---
	11	---	---	---	---	---	---	---	---	---	---	---
	15	6.6	15.4	139	58900	508	270	993	<0.5	9260	<1	---
	22	6.7	---	100	54500	699	320	1220	<0.5	8290	<1	---
	32	6.6	19.2	152	80400	1010	274	587	<0.5	11700	<1	---
	42	6.6	19.5	153	80400	1240	291	344	<0.5	12000	<1	---
	52	6.6	---	33.7	94000	---	115	---	---	---	---	---
	62	6.5	19.4	33.5	102000	1960	314	629	<0.5	19300	<1	---
	72	6.6	---	46.1	102000	---	267	---	---	---	---	---

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