Table 1.

Water chemistry of samples obtained for this study.

Sample	pH	Sulfate	Sulfide	Ferrous iron	Acetate	Bicarbonatea	Sodiuma
PW7	7.59	0	0.5	4.64	0	530	81
P0866	7.51	64.2	0.36	0	0	510	60
P0866S	7.32	5.08	0.03	5.3	0	520	100
P0848S	7.47	5.95	0.03	3.3	0	530	230
PW8	6.73	34.87	0	2.33	12.15	NDb	NDb
PW8-PAW	6.89	26.52	0	5.65	6.17	NDb	NDb
PW8-PAS	6.71	62.36	1.52	1546	18.66	NDb	NDb

All concentrations are in ppm (mg/L).

^aData provided by company;

^bNot determined.