New Hampshire Code of Administrative Rules
Saf - Department of Safety
Subtitle Saf-C - Commissioner, Department of Safety
Chapter Saf-C 7100 - BREATH ALCOHOL PROCEDURE USING THE INTOXILYZER 5000 INSTRUMENT FOR BREATH TESTS CONDUCTED ON OR AFTER JANUARY 1, 2017
Part Saf-C 7103 - EQUIPMENT
Section Saf-C 7103.04 - Preventive Maintenance-Equipment

Universal Citation: NH Admin Rules Saf-C 7103.04

Current through Register No. 40, October 3, 2024

(a) The forensic breath testing supervisor shall conduct a preventive maintenance on each approved instrument at 6 month intervals after the initial check.

(b) A preventive maintenance check pursuant to RSA 265-A:12,II shall include:

(1) Analysis of a series of simulated breath tests at known alcohol concentrations, to verify the accuracy and precision of the approved instrument which shall meet the following criteria:
a. For known alcohol concentrations less than 0.10g/210L:
1. The accuracy of the readings shall deviate no more than +/- 0.005 g/210L from the known alcohol concentration; and

2. The total precision range of the readings shall not exceed +/- 0.005 g/210L; and

b. For known alcohol concentrations equal to or greater than 0.10 g/210L:
1. The accuracy of the readings shall be within +/- 5% of the known alcohol concentration; and

2. The total precision range of the readings shall not exceed 5% of the target value;

(2) Verification of the approved instrument's ability to detect and correct for acetone;

(3) Performance of routine maintenance on the approved instrument and simulator as necessary to maintain proper analytical functions; and

(4) Documentation of maintenance performed on each approved instrument and simulator at the time of service.

(c) The forensic breath testing supervisor shall certify the accuracy and precision of the approved instrument on the preventive maintenance check form, pursuant to RSA 265-A:12, II, once the requirements of (b)(1) - (4) are completed.

(d) The forensic breath testing supervisor shall complete the preventive maintenance check form by providing the following:

(1) Results of simulated breath test analyses listed by reference material lot number;

(2) Results of acetone detection/correction verification;

(3) The approved instrument and simulator by make, model, and serial number;

(4) The field location of the equipment;

(5) The date of certification and expiration; and

(6) That the forensic breath testing supervisor has found the approved instrument and simulator to be in proper working order and that the equipment meets the preventive maintenance requirements as outlined in (b) above and RSA 265-A:12, II.

(e) Repairs performed on the approved instrument shall be documented and kept on file at the forensic science laboratory. The approved instrument shall be required to pass a preventive maintenance check if the repair affects the accuracy or precision of the breath test.

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