WORKSHEET

DATE and TIME ........................................................................................... OPERATOR .................................................................................................

(A) Temp. in °C ........................................... (B) TDS in mg/L .......................................... (C) Calcium Hardness in mg/L ................... (D) Alkalinity in mg/L ...................................

TEST RESULT VALUE from TABLES *

* Do not assign a value to pH, use the actual number. Calculation using numbers from the right hand value column (A) .......................... _____________ + (B) .......................... + _____________ - (C) .......................... - _____________ = _____________ - (D) .......................... - _____________ Equals pHs .......................... = _____________ Then: (E) Actual pH......... _____________ - pHs .......................... - _____________ Equals LI .......................... = _____________

* Corrosivity of Sample
< -2.0	........................	Highly
-2.0 to 0.0	........................	Moderately
0.0	........................	Non

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