Administrative Code

Virginia Administrative Code
11/28/2021

Part IV. Microbiology

1VAC30-41-400. Personnel.

Drinking water laboratories shall meet the requirements of Chapter III, Section 10 and Chapter V, Section 1 of the Manual.

Statutory Authority

§§ 2.2-1102 and 2.2-1105 of the Code of Virginia; 42 USC § 300f et seq.

Historical Notes

Derived from Virginia Register Volume 30, Issue 14, eff. May 1, 2014.

1VAC30-41-410. Laboratory facilities.

A. Drinking water laboratories shall meet the requirements of Chapter V, Section 2 of the Manual.

B. The laboratory facilities shall include sufficient space to process and examine samples proportionate with the total work load.

C. The laboratory shall have provisions for decontamination and disposal of microbiological waste.

D. Office areas for clerical work and recordkeeping shall be segregated from laboratory work areas.

Statutory Authority

§§ 2.2-1102 and 2.2-1105 of the Code of Virginia; 42 USC § 300f et seq.

Historical Notes

Derived from Virginia Register Volume 30, Issue 14, eff. May 1, 2014.

1VAC30-41-420. Laboratory equipment and supplies.

Drinking water laboratories shall meet the following requirements:

1. The requirements set out in the approved methods incorporated by reference into 1VAC30-41-55 and in use by the laboratory.

2. The requirements of Chapter V, Section 3 of the Manual.

Statutory Authority

§§ 2.2-1102 and 2.2-1105 of the Code of Virginia; 42 USC § 300f et seq.

Historical Notes

Derived from Virginia Register Volume 30, Issue 14, eff. May 1, 2014.

1VAC30-41-430. General laboratory practices.

Drinking water laboratories shall meet general laboratory practices of the following:

1. The requirements set out in the approved methods incorporated by reference into 1VAC30-41-55 and in use by the laboratory.

2. The requirements of Chapter V, Section 4 of the Manual.

Statutory Authority

§§ 2.2-1102 and 2.2-1105 of the Code of Virginia; 42 USC § 300f et seq.

Historical Notes

Derived from Virginia Register Volume 30, Issue 14, eff. May 1, 2014.

1VAC30-41-440. Analytical methodology.

A. Drinking water laboratories shall meet the sampling and analytical methodology requirements incorporated by reference into 1VAC30-41-55 for microbiology and alternative testing methods for microbiology.

B. Drinking water laboratories shall meet the requirements of Chapter V, Section 5 of the Manual and the Manual Supplement to Chapter V, Section 5 of the Manual unless these requirements conflict with the requirements specified in subsection A of this section.

C. A drinking water laboratory shall perform a minimum of 20 coliform analyses monthly by each coliform method for which it is certified in order to maintain certification status or qualify for initial certification. The minimum number of coliform analyses (20) may be performed on a variety of water sample types collected from different stages of the water treatment process, raw source water, and surface or ground water, as well as drinking water samples collected from a distribution system or private wells.

Statutory Authority

§§ 2.2-1102 and 2.2-1105 of the Code of Virginia; 42 USC § 300f et seq.

Historical Notes

Derived from Virginia Register Volume 30, Issue 14, eff. May 1, 2014.

1VAC30-41-450. Sample collection, handling, and preservation.

A. Laboratories that perform sampling shall meet the sample container, required preservation, and maximum holding time requirements incorporated by reference at 1VAC30-41-55 for microbiology and alternative testing methods for microbiology.

B. Laboratories that perform sampling shall meet the requirements of Chapter V, Section 6 of the Manual and the Manual Supplement to Chapter V, Section 6 of the Manual unless these requirements conflict with the requirements specified in subsection A of this section.

C. Drinking water laboratories shall reject any sample not meeting the sampling criteria of this section and notify the system or individual requesting the analyses.

D. The laboratory shall have a written sample rejection policy covering samples that do not meet sampling requirements.

Statutory Authority

§§ 2.2-1102 and 2.2-1105 of the Code of Virginia; 42 USC § 300f et seq.

Historical Notes

Derived from Virginia Register Volume 30, Issue 14, eff. May 1, 2014.

1VAC30-41-460. Quality assurance.

Drinking water laboratories shall meet the quality assurance and quality control requirements of both the Manual and the required analytical methods incorporated by reference into 1VAC30-41-55. These requirements include the following:

1. The approved test methods and associated quality assurance and quality control requirements incorporated by reference into 1VAC30-41-55.

2. Chapter III, Section 11 and Chapter V, Section 7 of the Manual.

3. The Manual Supplement to Chapter III, Section 2 of the Manual.

Statutory Authority

§§ 2.2-1102 and 2.2-1105 of the Code of Virginia; 42 USC § 300f et seq.

Historical Notes

Derived from Virginia Register Volume 30, Issue 14, eff. May 1, 2014.

1VAC30-41-470. Recordkeeping and data reporting.

Laboratories shall meet the recordkeeping and data reporting requirements of the following:

1. The approved test methods incorporated by reference into 1VAC30-41-55.

2. Chapter V, Section 8 of the Manual.

Statutory Authority

§§ 2.2-1102 and 2.2-1105 of the Code of Virginia; 42 USC § 300f et seq.

Historical Notes

Derived from Virginia Register Volume 30, Issue 14, eff. May 1, 2014.

1VAC30-41-480. Action response to laboratory results.

Drinking water laboratories shall meet the requirements of Chapter V, Section 9 of the Manual and the requirements of 1VAC30-41-190.

Statutory Authority

§§ 2.2-1102 and 2.2-1105 of the Code of Virginia; 42 USC § 300f et seq.

Historical Notes

Derived from Virginia Register Volume 30, Issue 14, eff. May 1, 2014.

1VAC30-41-490. [Reserved].

Historical Notes

Derived from Virginia Register Volume 30, Issue 14, eff. May 1, 2014.

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