Section 11-114-7 - Accuracy tests(a) Every accuracy test procedure shall be approved by the DUI coordinator in writing and shall include, but not be limited to the following requirements: (1) The test shall be conducted by a supervisor;(2) At least two different reference samples and an air blank shall be run with each accuracy test;(3) Reference samples shall be chosen so that their target values are not less than 0.04gm alcohol /210 liters and not greater than 0.25gm alcohol /210 liters;(4) Reference sample target values shall differ from each other by at least 0.04gm alcohol /210 liters;(5) Reference sample test results which vary from the target value by more than plus or minus 0.01gm alcohol /210 liters or plus or minus ten percent, whichever is greater, shall be cause for the breath alcohol testing instrument used to be removed from service until the fault has been corrected; and(6) An accuracy test shall be performed on an operating instrument at intervals not to exceed thirty-one days.(b) Operating instruments do not include instruments in storage or being repaired. Upon return to operation from storage or repair an accuracy test shall be performed.[Eff DEC 30 1993] (Auth: HRS § 321-161) (Imp: HRS §§ 321-161; 286-151; 286-152; 286-153; 286-154; 286-155.5; 286-158; 286-160; 286-162; 286-163; 286-171; 286-251; 286-254; 286-255; 286-256; 286-257; 286-258; 286-259; 291-4; 291-4.5; 291-5; 291-6; 291C-162; 321-1; 321-9; 321-10; 321-18; 321-19; 321-20)