Types of Tests/ Properties Measured Materials/ Products Tested /Range of Measurement Standard Specifications/ Techniques Used (LOQ)* Bottled Drinking Water Determination of nitrate 3 mg/L In-house Method TRP-10-04 UV/Visible Spectrophotometer based on USEPA APHA 4500-NO3 Manufacturer HACH, USA Model DR 4000U Determination of sulfate 3.5 mg/L In-house Method TRP-10-02 S.N 0412U0005935 based on USEPA 375.4 Determination of nitrite 0.01 mg/L In-house Method TRP-10-05 based on USEPA 25505 Determination of fluoride 0.3 mg/L In-house Method TRP-10-01 based on USEPA 340.1 Determination of total iron 0.01 mg/L In-house Method TRP-10-03 based on USEPA 126:43459 Determination of nitrite 0.03 mg/L In-house Method TRP-10-05 UV/Visible Spectrophotometer based on USEPA 25505 Manufacturer HACH, USA Model DR 2000 Determination of fluoride 0.3 mg/L In-house Method TRP-10-01 based on USEPA 340.1 S.N 921100021953 Determination of total iron 0.1 mg/L In-house Method TRP-10-03 based on USEPA 126:43459
Standard Specifications/ Techniques Used Types of Tests/ Properties Measured /Range of Measurement (LOQ)* Materials/ Products Tested UV/Visible Spectrophotometer Manufacturer HACH, USA Model DR 4000U S.N 0412U0005935 In-house Method TRP-10-04 based on USEPA APHA 4500-NO3 3 mg/L Determination of nitrate Bottled Drinking Water In-house Method TRP-10-02 based on USEPA 375.4 3.5 mg/L Determination of sulfate In-house Method TRP-10-05 based on USEPA 25505 0.01 mg/L Determination of nitrite In-house Method TRP-10-01 based on USEPA 340.1 0.3 mg/L Determination of fluoride In-house Method TRP-10-03 based on USEPA 126:43459 0.01 mg/L Determination of total iron UV/Visible Spectrophotometer Manufacturer HACH, USA Model DR 2000 S.N 921100021953 In-house Method TRP-10-05 based on USEPA 25505 0.03 mg/L Determination of nitrite In-house Method TRP-10-01 based on USEPA 340.1 0.3 mg/L Determination of fluoride In-house Method TRP-10-03 based on USEPA 126:43459 0.1 mg/L Determination of total iron
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