USGS2				
NP= Neutralization Potential				
NP values determined by wet chemical methods.				
NP= equivalent CaCO3/1000 tons of material				
MPA= Maximum Potential Acidity				
MPA= percent Sulfur x 31.25				
NNP= Net Neutralization Potential				
NNP= NP - MPA				
Depth (ft)	NP	MPA	NNP	
31	1.5	0.1	1.4	
32	2.0	0.0	2.0	
33	1.8	0.0	1.8	
34	1.8	0.0	1.8	
35	3.1	0.0	3.1	
36	3.8	0.8	3.0	
37	11.8	0.5	11.3	
38	10.6	0.0	10.6
39	8.9	0.1	8.8
40	11.0	0.1	10.9
41	8.6	0.1	8.5
42	5.1	0.8	4.3
43	7.2	0.4	6.8
44	7.4	0.8	6.6
45	16.4	0.0	16.4
46	41.0	0.0	41.0
47	31.5	0.0	31.5
48	18.2	0.0	18.2
49	12.5	0.0	12.5
50	12.0	0.0	12.0
51	10.5	0.0	10.5
52	11.5	0.0	11.5
53	9.2	5.1	4.1
54	13.6	2.2	11.4
55	11.0	0.1	10.9
56	6.5	1.4	5.1
57	7.6	2.8	4.8
58	4.9	1.1	3.8
59	13.1	0.0	13.1
60	19.6	0.0	19.6
61	14.4	0.1	14.3
62	20.4	0.0	20.4
63	7.2	0.0	7.2
64	14.2	0.1	14.1
65	6.9	3.1	3.8
66	4.8	1.5	3.3
67	4.2	3.4	0.8
68	4.8	8.7	-3.9
69	5.6	2.8	2.8
70	3.5	3.0	0.5
71	3.5	1.7	1.8
72	7.1	2.7	4.4
73	3.1	2.0	1.1
74	6.6	5.0	1.6
75	9.6	2.1	7.5
76	15.0	1.2	13.8
77	9.6	0.9	8.7
78	3.5	3.7	-0.2
79	6.8	3.1	3.7
80	7.6	1.4	6.2
81	7.2	0.1	7.1
82	6.0	1.5	4.5
83	12.2	0.9	11.3
84	22.8	0.0	22.8
85	6.9	2.3	4.6
86	5.1	1.3	3.8
87	4.1	1.0	3.1
88	10.8	0.1	10.7
89	12.1	0.0	12.1
90	3.6	1.5	2.1
91	6.8	2.7	4.1
92	5.8	3.3	2.5
93	10.6	0.8	9.8
94	6.2	0.6	5.6
95	10.4	0.1	10.3
96	16.5	4.3	12.3
97	14.8	1.7	13.1
98	12.0	15.6	-3.6
99	4.2	3.5	0.7
100	7.0	2.9	4.1
101	4.0	2.0	2.0
102	4.6	4.0	0.6
103	4.8	4.9	-0.1
104	8.6	10.7	-2.1
105	6.9	9.9	-3.0
106	8.6	18.1	-9.5
107	7.1	23.8	-16.7
108	9.0	42.0	-33.0
109	2.4	48.3	-45.9
110	0.2	83.1	-82.9
111	5.5	10.5	-5.0
112	8.2	21.3	-13.1
113	3.2	2.1	1.1
114	1.6	0.8	0.8
115	-0.1	19.5	-19.6
116	-0.1	6.3	-6.4
117	N.D.	N.D.	N.D.
118	N.D.	N.D.	N.D.
119	N.D.	N.D.	N.D.
120	-5.5	91.1	-96.6
121	-4.5	75.9	-80.4
122	-3.5	96.3	-99.8
123	-3.8	128.4	-132.2
124	-2.9	92.3	-95.2
125	0.5	11.6	-11.1
126	1.8	7.8	-6.0
127	2.0	37.2	-35.2
128	2.6	9.3	-6.7
129	2.2	10.0	-7.8
130	0.8	14.0	-13.2
131	2.0	2.1	-0.1
132	10.4	2.3	8.1
133	10.1	4.7	5.4
134	9.0	3.2	5.8
135	10.5	8.7	1.8
136	7.2	6.3	1.0
137	1.2	2.4	-1.2
138	1.0	1.8	-0.8
139	3.1	1.1	2.0
140	7.8	0.0	7.8
141	2.9	0.0	2.9
142	2.9	0.6	2.3
143	6.6	0.4	6.2
144	2.9	0.6	2.3
145	1.5	0.6	0.9
146	7.9	1.1	6.8
147	4.6	6.0	-1.4
148	5.8	1.3	4.5
149	6.8	1.5	5.3
150	8.6	4.9	3.7
151	2.6	9.2	-6.6
152	2.0	5.7	-3.7
153	3.4	2.1	1.3
154	5.9	1.3	4.6
155	4.8	2.1	2.7
156	8.1	9.5	-1.4
157	6.0	5.6	0.4
158	6.1	3.2	2.9
159	8.8	3.5	5.3
160	6.2	1.6	4.6
161	7.6	3.2	4.4
162	7.9	6.4	1.5
163	11.2	8.9	2.3
164	8.0	2.8	5.2
165	7.4	0.8	6.6
166	5.5	1.1	4.4
167	5.9	1.4	4.5
168	-1.6	16.6	-18.2
169	-5.0	90.2	-95.2
170	-6.6	98.0	-104.6
171	-3.1	49.2	-52.3
172	-4.1	28.8	-32.9
173	9.1	9.6	-0.5
174	0.4	6.4	-6.0
175	0.9	3.3	-2.4
176	1.5	3.2	-1.7
177	-0.8	1.0	-1.8
178	9.8	26.4	-16.6
179	0.4	2.5	-2.1
180	0.9	1.6	-0.7
181	1.9	0.6	1.3
182	7.4	1.7	5.7
183	7.4	2.8	4.6
184	3.1	4.7	-1.6
185	2.4	4.6	-2.2
186	2.4	0.5	1.9
187	6.6	2.4	4.2
188	7.2	1.5	5.7
189	6.5	7.4	-0.9
190	4.5	6.1	-1.6
191	8.9	3.0	5.9
192	4.5	1.9	2.6
193	10.9	8.9	2.0
194	0.4	2.6	-2.2
195	0.2	2.7	-2.5
196	0.4	2.1	-1.7
197	0.4	0.0	0.4
198	0.5	0.0	0.5
199	0.6	0.0	0.6
200	1.1	0.0	1.1
201	0.9	2.9	-2.0
202	0.2	7.7	-7.5
203	1.1	30.3	-29.2
204	0.0	7.4	-7.4
205	-7.4	129.4	-136.8
206	-3.2	91.4	-94.6
207	N.D.	N.D.	N.D.
208	N.D.	N.D.	N.D.
209	N.D.	N.D.	N.D.
210	N.D.	N.D.	N.D.
211	0.0	14.2	-14.2
212	0.0	6.5	-6.5
213	0.9	3.8	-2.9
214	-0.8	4.3	-5.1
215	0.4	1.9	-1.5
216	0.2	5.3	-5.1
217	0.0	3.6	-3.6
218	1.2	7.9	-6.7
219	4.5	4.4	0.1
220	5.5	1.6	3.9
221	7.4	0.7	6.7
222	-5.0	1.5	-6.5
223	0.0	0.4	-0.4
224	0.4	0.2	0.2
225	0.6	0.7	-0.1
226	1.1	1.8	-0.7
227	1.3	2.9	-1.6
228	0.5	7.1	-6.6
229	0.4	15.4	-15.0
230	0.1	5.2	-5.1
231	-1.0	1.0	-2.0
232	0.6	2.1	-1.5
233	4.8	4.2	0.6
234	3.5	0.1	3.4
235	3.9	0.8	3.1
236	4.8	1.6	3.2
237	1.5	0.8	0.7
238	4.1	1.3	2.8
239	6.6	0.9	5.7
240	6.3	0.0	6.3
241	2.2	9.4	-7.2
242	2.2	6.2	-4.0
243	6.1	3.1	3.0
244	4.4	4.3	0.1
245	4.1	2.3	1.8
246	0.1	6.0	-5.9
247	-0.2	8.2	-8.4
248	-1.0	25.9	-26.9
249	N.D.	N.D.	N.D.
250	N.D.	N.D.	N.D.
251	N.D.	N.D.	N.D.
252	N.D.	N.D.	N.D.
253	N.D.	N.D.	N.D.
254	N.D.	N.D.	N.D.
255	N.D.	N.D.	N.D.
256	N.D.	N.D.	N.D.
257	N.D.	N.D.	N.D.
258	N.D.	N.D.	N.D.
259	N.D.	N.D.	N.D.
260	N.D.	N.D.	N.D.
261	-6.2	76.3	-82.5
262	-5.6	52.3	-57.9
263	-2.1	21.3	-23.4
264	-1.6	22.8	-24.4
265	-0.6	15.4	-16.0
266	-0.1	7.3	-7.4
267	0.0	6.6	-6.6
268	2.8	17.2	-14.4
269	6.4	5.9	0.5
270	3.4	2.4	1.0
271	6.1	3.3	2.8
272	2.9	1.2	1.7
273	0.9	1.2	-0.3
274	4.0	0.4	3.6
275	2.1	1.8	0.3
276	5.8	5.8	0.0
277	2.1	0.7	1.4
278	6.6	0.1	6.5
279	3.0	1.3	1.8
280	-0.2	3.9	-4.1
281	-1.8	37.2	-39.0
282	N.D.	N.D.	N.D.
283	0.0	22.2	-22.2
284	-1.0	65.3	-66.3
285	-2.2	70.0	-72.2
286	-1.9	9.6	-11.5
287	-1.9	8.4	-10.3
288	-0.6	3.5	-4.1
289	-0.1	0.6	-0.7
290	0.1	0.7	-0.6
291	-0.1	2.4	-2.5
292	-0.2	2.0	-2.2
293	-0.1	1.6	-1.7