(a) Test procedures. Test procedures for analysis of monitoring samples shall conform to the 15th Edition of Standard Methods for the Examination of Water and Wastewater.
(b) Testing requirements. All treatment plants shall have the capability to perform or contract for the self-monitoring analytical work required by the Safe Drinking Water Act and/or state regulation. All plants shall, in addition, be capable of performing or contracting the analytical work required to assure good management and control of plant operation and performance.
(c) Minimum requirements. - (i) Location and space. The laboratory shall be located away from vibrating machinery or equipment which might have adverse effects on the performance of laboratory instruments or the analyst and shall be designed to prevent adverse effects from vibration.
Where a full-time chemist is proposed to work in the laboratory, a minimum of 400 square feet (37.2 m2) of floor space shall be provided in the laboratory. If more than two persons will be working in the laboratory, 100 square feet (9.3 m2) of additional space shall be provided for each additional person.
- (ii) Materials. Walls shall have an easily cleaned, durable and impervious surface. Two exit doors or openings shall be located to permit a straight exit from the laboratory; one exit shall be directly to the outside of the building. Panic hardware shall be used. Interior doors shall have glass windows.
- (iv) Hoods. Fume hoods shall be provided where reflux or heating of toxic or hazardous materials is required. A hood shall not be situated near a doorway, unless a secondary means of exit is provided. All switches, electrical outlets, and utility and baffle adjustment handles shall be located outside the hood. Light fixtures shall be explosion-proof. Twenty-four hour continuous exhaust capability shall be provided. Exhaust fans shall be explosion-proof.
- (v) Sinks. The laboratory shall have a minimum of 2 sinks per 400 ft2 (37.2 m2) (not including cup sinks). Sinks shall be double well with drainboards and shall be made of epoxy resin or plastic. All water fixtures shall be provided with reduced pressure zone backflow preventers. Traps constructed of glass, plastic, or lead and accessible for cleaning shall be provided.
- (vii) Gas. If gas is required in the laboratory, natural gas shall be supplied.
- (viii) Water still. Distilled water shall conform to the quality specified by Standard Methods for the Examination of Water and Wastewater, 15th Edition.
- (ix) Emergency shower and eye wash. All laboratories shall be equipped with an emergency eye wash and shower that is located within the laboratory.
(d) Portable testing equipment. Portable testing equipment shall be provided where necessary for operational control testing.
020-12 Wyo. Code R. § 12-15