USGS identifier
USGS1
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
50 3.2 0.0 3.2
51 29.6 0.0 29.6
52 4.2 0.0 4.2
53 8.4 0.0 8.4
54 5.2 0.0 5.2
55 205.6 0.0 205.6
56 57.8 0.0 57.8
57 80.0 0.0 80.0
58 15.2 0.1 15.1
59 10.9 0.1 10.8
60 8.5 0.0 8.5
61 6.8 0.6 6.2
62 5.6 0.0 5.6
63 5.8 0.0 5.8
64 ND ND ND
65 ND ND ND
66 ND ND ND
67 5.4 0.0 5.4
68 6.8 0.0 6.8
69 10.8 0.0 10.8
70 32.4 0.0 32.4
71 28.2 0.0 28.2
72 91.5 0.0 91.5
73 18.0 0.3 17.7
74 6.1 0.0 6.1
75 6.2 0.1 6.1
76 10.1 0.0 10.1
77 12.0 0.0 12.0
78 7.8 0.3 7.5
79 15.1 58.4 -43.3
80 10.8 1.3 9.5
81 5.8 0.0 5.8
82 15.1 0.1 15.0
83 5.8 0.0 5.8
84 6.9 1.3 5.6
85 6.6 0.0 6.6
86 8.1 0.0 8.1
87 7.8 0.1 7.7
88 7.8 0.0 7.8
89 10.4 0.0 10.4
90 6.8 0.0 6.8
91 4.6 1.4 3.2
92 5.6 2.5 3.1
93 8.1 3.0 5.1
94 12.0 0.0 12.0
95 8.1 1.2 6.9
96 59.2 4.0 55.2
97 381.9 0.1 381.8
98 334.4 0.0 334.4
99 276.9 0.0 276.9
100 130.6 0.3 130.3
101 12.2 1.7 10.5
102 5.0 2.0 3.0
103 8.2 2.3 5.9
104 23.0 1.0 22.0
105 21.1 1.8 19.3
106 5.4 3.0 2.4
107 5.1 1.2 3.9
108 4.5 3.0 1.5
109 8.2 0.7 7.5
110 25.1 0.3 24.8
111 204.4 0.0 204.4
112 413.8 0.0 413.8
113 392.5 0.0 392.5
114 337.5 0.0 337.5
115 161.9 0.2 161.7
116 7.6 2.6 5.0
117 16.6 1.0 15.6
118 26.0 0.7 25.3
119 27.0 2.1 24.9
120 6.4 3.9 2.5
121 9.0 3.0 6.0
122 23.2 1.7 21.5
123 9.2 2.5 6.7
124 6.8 3.2 3.6
125 12.6 2.3 10.3
126 10.6 3.3 7.3
127 18.1 4.9 13.2
128 10.5 4.9 5.6
129 11.4 0.3 11.2
130 28.2 0.1 28.1
131 193.1 0.1 193.0
132 119.4 0.1 119.3
133 28.5 0.1 28.4
134 33.5 0.3 33.2
135 29.0 1.0 28.0
136 8.1 0.5 7.6
137 6.5 0.3 6.2
138 6.1 0.4 5.7
139 5.0 1.1 3.9
140 4.1 0.6 3.5
141 4.2 0.5 3.7
142 5.5 0.8 4.7
143 12.8 0.0 12.8
144 10.2 0.3 10.0
145 21.0 3.5 17.5
146 17.9 19.7 -1.8
147 9.0 0.0 9.0
148 8.0 0.0 8.0
149 7.5 0.0 7.5
150 6.8 0.0 6.8
151 5.8 0.0 5.8
152 5.8 0.1 5.7
153 5.2 31.1 -25.9
154 7.2 3.8 3.4
155 186.2 0.2 186.0
156 5.8 2.7 3.1
157 5.8 1.2 4.6
158 4.8 0.7 4.1
159 4.0 0.0 4.0
160 7.0 0.0 7.0
161 12.9 5.8 7.1
162 14.1 6.0 8.1
163 12.9 2.4 10.5
164 9.0 0.0 9.0
165 7.5 0.4 7.1
166 10.2 1.0 9.2
167 14.6 0.1 14.5
168 3.6 4.7 -1.1
169 9.0 8.7 0.3
170 11.0 22.6 -11.6
171 9.6 14.0 -4.4
172 9.5 13.4 -3.9
173 11.0 10.3 0.7
174 7.5 13.9 -6.4
175 7.0 35.6 -28.6
176 6.0 19.6 -13.6
177 12.6 20.7 -8.1
178 10.6 17.2 -6.6
179 16.2 15.0 1.2
180 24.0 2.0 22.0
181 45.1 0.0 45.1
182 64.8 0.3 64.6
183 69.0 1.7 67.3
184 77.0 0.9 76.1
185 66.5 2.6 63.9
186 67.6 2.6 65.0
187 59.6 2.0 57.6
188 35.6 1.3 34.3
189 55.8 0.5 55.3
190 58.6 0.7 57.9
191 63.6 0.4 63.2
192 49.1 0.5 48.6
193 37.9 0.0 37.9
194 82.6 0.0 82.6
195 188.8 0.1 188.7
196 60.6 0.1 60.5
197 60.2 0.0 60.2
198 27.9 0.0 27.9
199 261.6 0.0 261.6
200 64.6 0.0 64.6
201 61.4 0.0 61.4
202 31.2 0.0 31.2
203 12.5 2.4 10.1
204 19.1 0.0 19.1
205 16.5 0.0 16.5
206 10.0 0.0 10.0
207 4.6 0.0 4.6
208 4.2 0.0 4.2
209 4.4 0.0 4.4
210 4.5 0.0 4.5
211 3.4 0.0 3.4
212 3.0 0.0 3.0
213 3.1 0.0 3.1
214 2.8 0.0 2.8
215 3.9 0.0 3.9
216 75.4 0.0 75.4
217 38.2 0.2 38.0
218 65.8 0.1 65.7
219 70.2 0.0 70.2
220 218.8 0.0 218.8
221 21.1 0.0 21.1
222 14.0 0.0 14.0
223 6.4 0.0 6.4
224 21.8 0.0 21.8
225 18.1 0.0 18.1
226 6.5 0.0 6.5
227 11.5 0.0 11.5
228 8.1 0.0 8.1
229 12.0 0.0 12.0
230 6.9 0.0 6.9
231 6.4 0.0 6.4
232 7.0 0.0 7.0
233 10.8 0.0 10.8
234 12.2 0.1 12.1
235 7.5 0.4 7.1
236 3.2 0.9 2.3
237 4.8 4.0 0.8
238 3.6 4.0 -0.4
239 15.0 3.9 11.1
240 13.6 0.0 13.6
241 13.4 1.5 11.9
242 7.8 8.6 -0.8
243 26.9 2.6 24.3
244 8.1 4.8 3.4
245 8.6 4.5 4.1
246 176.2 0.3 175.9
247 13.4 16.8 -3.4
248 10.0 3.8 6.3
249 10.8 3.8 7.0
250 13.5 3.5 10.0
251 8.6 6.0 2.6
252 13.2 6.8 6.5
253 14.1 10.3 3.8
254 12.0 24.1 -12.1
255 6.1 27.2 -21.1
256 6.2 26.8 -20.6
257 20.1 5.7 14.4
258 26.6 5.6 21.0
259 22.4 19.8 2.6
260 18.5 11.3 7.2
261 19.1 12.8 6.3
262 21.1 6.8 14.4
263 11.6 18.3 -6.7
264 18.9 17.8 1.1
265 30.8 7.4 23.4
266 23.5 4.0 19.5
267 25.8 1.8 24.0
268 24.5 1.8 22.7
269 21.9 1.5 20.4
270 3.0 4.2 -1.2
271 12.4 2.6 9.8
272 17.4 3.4 14.0
273 16.2 3.4 12.8
274 13.9 1.0 12.9
275 20.1 0.8 19.3
276 17.2 1.1 16.1
277 18.9 3.3 15.6
278 5.4 0.5 4.9
279 7.8 1.5 6.3
280 4.5 2.3 2.2
281 6.4 2.8 3.6
282 13.2 2.9 10.3
283 8.6 2.8 5.9
284 8.1 3.9 4.2
285 8.9 3.4 5.5
286 8.5 6.9 1.6
287 6.9 12.0 -5.1
288 7.5 6.7 0.8
289 6.2 12.1 -5.9
290 12.2 36.3 -24.1
291 3.8 17.2 -13.4
292 5.1 8.6 -3.5
293 6.6 26.5 -19.9
294 6.1 18.3 -12.2
295 5.2 27.9 -22.7
296 5.0 30.0 -25.0
297 5.2 27.1 -21.9
298 5.2 28.8 -23.6
299 0.6 38.1 -37.5
300 0.5 26.8 -26.3
301 ND ND ND
302 ND ND ND
303 ND ND ND
304 ND ND ND
305 ND ND ND
306 ND ND ND
307 ND ND ND
308 ND ND ND
309 ND ND ND
310 6.1 5.3 0.8
311 3.4 10.6 -7.2
312 161.9 0.0 161.9
313 648.1 0.0 648.1
314 401.2 0.1 401.1
315 83.6 0.1 83.5
316 16.8 0.0 16.8
317 35.6 0.2 35.4
318 10.1 0.0 10.1
319 29.0 0.0 29.0
320 35.5 0.0 35.5
321 3.1 9.8 -6.7
322 0.2 4.3 -4.1
323 0.2 4.4 -4.2
324 4.0 3.4 0.6
325 8.2 2.8 5.4
326 5.5 3.5 2.0
327 8.2 2.3 5.9
328 9.9 0.1 9.8
329 15.2 0.0 15.2
330 14.1 0.1 14.0
331 12.2 0.0 12.2
332 3.4 0.1 3.3
333 3.0 0.6 2.4
334 1.9 0.6 1.3
335 8.0 1.3 6.7
336 1.5 0.3 1.2
337 12.2 0.0 12.2
338 14.4 0.0 14.4
339 7.1 0.1 7.0
340 13.8 0.0 13.8
341 15.1 0.0 15.1
342 1.5 0.1 1.4
343 2.0 0.0 2.0
344 2.2 0.1 2.1
345 9.9 0.0 9.9
346 14.4 0.0 14.4
347 9.9 0.0 9.9
348 36.5 0.0 36.5
349 75.0 0.0 75.0
350 36.0 0.0 36.0
351 4.6 0.0 4.6
352 11.9 0.0 11.9
353 18.1 0.0 18.1
354 20.5 0.0 20.5
355 26.0 0.0 26.0
356 25.2 0.0 25.2
357 25.0 0.0 25.0
358 18.6 0.0 18.6
359 22.1 0.0 22.1
360 30.2 0.0 30.2
361 8.8 0.0 8.8
362 12.4 2.5 9.9
363 29.8 0.4 29.4
364 29.1 0.4 28.7
365 26.4 0.1 26.3
366 3.4 5.7 -2.3
367 28.2 0.4 27.8
368 22.9 0.0 22.9
369 30.1 0.1 30.0
370 33.2 0.1 33.1
371 32.9 0.3 32.7
372 32.2 0.2 32.0
373 28.9 0.0 28.9
374 25.2 0.1 25.1
375 25.5 0.2 25.3
376 33.6 1.6 32.0
377 32.1 0.3 31.8
378 30.1 0.3 29.8
379 31.1 0.0 31.1
380 28.2 5.0 23.2
381 32.9 9.0 23.9
382 16.8 4.4 12.4
383 5.5 28.1 -22.6
384 ND ND ND
385 ND ND ND
386 ND ND ND
387 ND ND ND
388 3.5 90.3 -86.8
389 7.0 19.0 -12.0
390 11.6 1.7 9.9
391 11.8 10.2 1.6
392 11.8 1.4 10.4
393 12.5 1.9 10.6
394 10.5 11.8 -1.3
395 7.5 22.9 -15.4
396 11.8 3.3 8.5
397 11.5 9.4 2.1
398 7.1 16.0 -8.9
399 11.5 15.1 -3.6
400 10.2 9.5 0.7
401 8.4 7.5 0.9
402 6.0 6.6 -0.6
403 5.5 22.6 -17.1
404 1.4 38.8 -37.4
405 2.6 22.0 -19.4
406 2.9 16.4 -13.5
407 2.1 12.0 -9.9
408 1.9 4.7 -2.8
409 2.0 3.5 -1.5
410 2.2 1.0 1.2
411 1.8 1.5 0.3
412 4.2 3.7 0.5
413 6.2 6.7 -0.5
414 6.6 7.3 -0.7
415 4.2 3.8 0.4
416 5.0 0.6 4.4
417 9.5 17.5 -8.0
418 2.8 6.3 -3.5
419 5.9 3.6 2.3
420 4.1 2.8 1.4
421 12.5 5.1 7.4
422 11.4 4.6 6.8
423 12.5 4.2 8.3
424 13.1 7.5 5.6
425 13.0 6.0 7.0
426 10.0 10.3 -0.3
427 7.2 14.8 -7.6
428 5.6 5.6 0.0
429 4.0 17.8 -13.8
430 ND ND ND
431 0.0 19.2 -19.2
432 0.2 22.5 -22.3
433 1.8 5.5 -3.7
434 0.8 3.0 -2.2
435 1.8 3.4 -1.6
436 4.9 10.5 -5.6
437 1.2 1.2 0.0
438 1.5 0.0 1.5
439 0.8 0.0 0.8
440 3.1 1.0 2.1
441 6.2 0.0 6.2
442 1.9 0.2 1.7
443 2.4 0.1 2.3
444 3.1 0.3 2.8
445 3.6 0.2 3.4
446 3.8 0.3 3.5
447 3.5 0.4 3.1
448 5.6 2.4 3.2
449 5.0 0.5 4.5
450 11.8 0.0 11.8
451 14.1 0.1 14.0
452 13.9 0.0 13.9
453 17.0 0.0 17.0
454 13.9 0.0 13.9
455 14.5 0.1 14.4
456 13.1 2.3 10.8
457 8.9 8.0 0.9
458 9.0 7.1 1.9
459 9.0 1.6 7.4
460 7.8 2.2 5.6
461 3.2 7.7 -4.5
462 ND ND ND
463 ND ND ND
464 ND ND ND
465 ND ND ND
466 -0.8 81.3 -82.1
467 1.4 15.0 -13.6
468 1.2 7.4 -6.2
469 0.5 11.4 -10.9
470 1.8 6.3 -4.5
471 6.8 4.3 2.5
472 7.4 1.4 6.0
473 12.0 3.6 8.4
474 6.4 10.2 -3.8
475 3.9 0.4 3.5
476 3.1 1.4 1.7
477 2.8 0.8 2.0
478 1.6 2.0 -0.4
479 2.2 2.2 0.0
480 1.9 4.2 -2.3
481 8.5 2.2 6.3
482 6.1 2.8 3.3
483 11.4 2.4 9.0
484 16.8 3.8 13.0
485 12.6 3.6 9.0
486 14.4 3.6 10.8
487 13.1 2.4 10.7
488 9.6 1.9 7.7
489 10.0 2.7 7.3
490 8.6 2.3 6.3
491 13.4 50.6 -37.2
492 3.5 3.3 0.2
493 9.6 4.0 5.6
494 7.8 3.3 4.5
495 1.9 1.8 0.1
496 6.1 2.0 4.1
497 2.6 2.3 0.3
498 5.5 0.1 5.4
499 2.0 2.8 -0.8
500 1.6 1.9 -0.3
501 0.8 1.6 -0.8
502 1.4 1.2 0.2
503 1.5 0.1 1.4
504 8.5 0.0 8.5
505 8.2 0.0 8.2
506 7.2 0.0 7.2
507 7.6 3.9 3.7
508 2.3 0.5 1.8
509 2.4 1.3 1.2
510 2.5 1.6 0.9
511 2.8 1.0 1.8
512 1.5 0.0 1.5
513 1.0 0.1 0.9
514 1.1 0.2 0.9
515 1.2 0.0 1.2
516 0.8 2.4 -1.6
517 0.9 3.1 -2.2
518 0.9 3.7 -2.8
519 1.2 6.2 -5.0
520 1.6 3.3 -1.7
521 2.5 2.6 -0.1
522 3.5 4.1 -0.6
523 6.2 4.0 2.2
524 9.1 1.6 7.5
525 4.5 3.2 1.3
526 11.5 7.3 4.2
527 5.4 1.8 3.6
528 10.2 7.1 3.1
529 9.1 10.6 -1.5
530 7.8 14.8 -7.0
531 5.1 65.3 -60.2
532 1.5 71.9 -70.4
533 1.1 28.5 -27.4
534 4.1 1.7 2.4
535 4.8 0.8 4.1
536 6.8 0.8 6.0
537 4.2 3.2 1.0
538 1.1 15.7 -14.6
539 1.1 1.4 -0.3
540 2.0 0.5 1.5
541 2.5 0.1 2.4
542 1.6 0.5 1.1
543 1.6 3.6 -2.0
544 4.6 10.5 -5.9
545 4.1 3.0 1.1
546 9.5 10.4 -0.9
547 9.4 4.4 5.0
548 7.2 3.1 4.1
549 8.5 6.3 2.3
550 4.8 1.6 3.2
551 3.8 15.6 -11.8
552 2.0 0.3 1.8
553 1.9 0.1 1.8
554 1.8 0.0 1.8
555 2.0 0.3 1.7
556 1.6 0.5 1.1
557 1.8 0.7 1.1
558 1.8 0.8 1.0
559 2.0 0.7 1.3
560 1.9 0.6 1.3
561 0.0 0.6 -0.6
562 3.5 1.4 2.1
563 1.9 1.7 0.2
564 1.1 1.2 -0.1
565 2.0 1.7 0.3
566 2.0 1.7 0.3
567 2.6 1.7 0.9
568 1.5 1.2 0.3
569 1.8 0.8 1.0
570 2.0 0.8 1.2
571 4.9 0.8 4.1
572 1.6 0.7 0.9
573 1.5 0.7 0.8
574 4.1 2.5 1.6
575 1.9 0.8 1.1
576 1.5 0.9 0.6
577 1.8 1.1 0.7
578 1.5 1.2 0.3
579 2.1 0.6 1.5
580 1.5 2.5 -1.0
581 1.8 0.6 1.2
582 1.2 0.6 0.6
583 1.6 1.1 0.5
584 0.8 1.2 -0.4
585 0.6 3.2 -2.6
586 0.5 1.8 -1.3
587 0.6 9.0 -8.4
588 1.2 1.7 -0.5
589 5.0 1.6 3.4
590 0.9 1.3 -0.4
591 1.1 2.8 -1.7
592 1.6 1.2 0.4
593 17.0 0.1 16.9
594 7.5 0.2 7.3
595 6.0 3.6 2.4
596 10.0 0.0 10.0
597 13.5 0.0 13.5
598 4.1 2.5 1.6
599 4.9 0.1 4.8
600 8.5 0.1 8.4
601 5.6 2.6 3.0
602 4.4 0.0 4.4
603 5.5 1.4 4.1
604 3.0 0.1 2.9
605 2.1 0.1 2.0
606 2.9 0.0 2.9
607 4.2 0.8 3.4
608 4.8 6.4 -1.6
609 4.8 0.1 4.7
610 5.4 4.0 1.4
611 25.6 1.5 24.1
612 6.4 13.9 -7.5
613 5.1 4.2 0.9
614 1.9 4.3 -2.4
615 6.0 4.9 1.1
616 3.2 2.2 1.0
617 4.8 3.6 1.2
618 5.8 5.5 0.3
619 5.0 3.4 1.6
620 6.4 3.5 2.9
621 9.8 6.6 3.2
622 4.3 4.0 0.3
623 5.9 4.2 1.7
624 4.5 3.7 0.8
625 6.1 2.8 3.3
626 8.2 2.6 5.6
627 6.9 2.4 4.5
628 7.9 2.8 5.1
629 9.4 3.3 6.1
630 3.8 1.6 2.2
631 7.4 2.1 5.3
632 7.2 1.9 5.3
633 7.4 2.8 4.7
634 8.5 3.6 4.9
635 10.0 2.8 7.2
636 6.5 5.4 1.1
637 7.8 2.9 4.9
638 10.9 4.5 6.4
639 6.4 4.7 1.7
640 5.8 6.4 -0.6
641 6.0 7.7 -1.7
642 12.0 10.4 1.6
643 7.6 10.7 -3.1
644 2.2 3.1 -0.9
645 2.6 1.8 0.8
646 2.9 0.0 2.9
647 2.0 1.8 0.2
648 4.0 8.1 -4.1
649 2.2 34.7 -32.5
650 4.4 23.6 -19.2
651 4.8 39.1 -34.3
652 1.9 101.9 -100.0
653 ND ND ND
654 1.1 50.9 -49.8
655 2.4 1.4 1.0
656 2.2 1.4 0.8
657 2.2 2.2 0.0
658 3.1 1.0 2.1
659 3.1 8.4 -5.3
660 3.4 0.9 2.5
661 4.0 1.3 2.8
662 5.5 1.3 4.2
663 6.1 1.1 5.0
664 9.8 1.2 8.6
665 5.5 1.7 3.8
666 7.4 2.3 5.1
667 8.4 3.3 5.1
668 17.5 1.8 15.7
669 3.0 3.0 0.0
670 7.1 1.9 5.2
671 7.2 3.2 4.0
672 8.5 1.9 6.6
673 6.4 2.8 3.7
674 5.2 0.8 4.4
675 5.6 1.3 4.3
676 3.5 5.2 -1.7
677 2.0 1.2 0.8
678 5.9 3.1 2.8
679 22.1 1.1 21.0
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