Table 1.

Chemical composition of the Taal MCL water

SampleDepth (m)DateTypepHConductivity (µS cm−1)Temperature (°C)Na (mg l−1)K (mg l−1)Ca (mg l−1)Mg (mg l−1)Cl (mg l−1)Br (mg l−1)SO4 (mg l−1)CO2 (aq) (mg l−1)
March 2011 profile026 March 2011Cl–Na2.833 22530.45913844.2342.491711 10929.02450na
5026 March 2011Cl–Na–Mg2.833 12629.95366761.7283.083410 16329.52235na
6026 March 2011Cl–SO4–Na–Mg2.933 09729.95363134.4638.11269906824.0nana
7026 March 2011Cl–SO4–Na2.8na29.9543761.5384.177810 28422.54354na
June 2011 profile028 June 2011Cl–Na2.933 22531.35276751.1280.180610 09229.722211643
1028 June 2011Cl–Na2.933 15733.55229745.1274.680310 83551.22388na
2028 June 2011Cl–Na2.933 13833.44889698.5275.976410 587na23571645
3028 June 2011Cl–Na3.033 13833.45145729.7271.378910 09229.722211594
4028 June 2011Cl–Na–Mg3.033 13633.45051716.5265.9777943815.722261349
5028 June 2011Cl–Na–Mg3.033 12633.34939693.1279.1746833028.818261508
6028 June 2011Cl–Na–Mg3.033 09732.85101722.3266.9788904027.916351729
7028 June 2011Cl–Na3.0na32.85379761.6283.283010 28125.122461643
  • na, not analysed.