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| | Alkalinity as CaCO3 | | mg/L | | 10.0-120 | | 6.8 | | 1505 | | NELAC/EPA | |  | | | Calcium | | mg/L | | 3.50-110 | | 2.7 | | 1035 | | NELAC/EPA | |  | | | Chloride | | mg/L | | 35.0-275 | | 29 | | 1575 | | NELAC/EPA | |  | | | Conductivity | | µmhos/cm | | 200-930 | | 170 | | 1610 | | NELAC/EPA | |  | | | Magnesium | | mg/L | | 2.00-40.0 | | N/A | | 1085 | | NELAC/EPA | |  | | | Total Dissolved Solids at 180°C | | mg/L | | 140-650 | | 98 | | 1705 | | NELAC/EPA | |  | | | Total Hardness as CaCO3 | | mg/L | | 17.0-440 | | 8.4 | | 1755 | | NELAC/EPA | |  | | |
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| | | | ASTM D1125-91A | | COND | |  | | | | | EPA 120.1 | | COND | |  | | | | | EPA 905 | | IC | |  | | | | | EPA 9050 (1986) | | COND | |  | | | | | EPA 9050A (rev. 1 1996) | | COND | |  | | | | | SM 2510 B (21st ED) | | COND | |  | | | | | SM 2510 B (20th ED) | | COND | |  | | | | | SM 2510 B (19th ED) | | COND | |  | | | | | SM 2510 B (18th ED) | | COND | |  | | | | | SM 2510 B-97 (online) | | COND | |  | | | | | SM 2540 B (18th ED) | | GRAV | |  |
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