Legionella Compliance Solutions will develop the plan that suits your facilities needs, is physically responsible and allows you to stay in compliance. Even if the worst would happen, you would be seen as a responsible proactive facility which cares about its tenants and employees
We know when and where to take samples and use known and approved practices to develop the plan.
The most important aspect of Legionella test sample is consistency. Test samples should be taken in the same place, in the same way, every time.
Cooling Tower Water – It is recommended that cooling tower water samples be collected directly from the tower basin at the furthest most point away from the make-up-water. The sample should be free of sediment. The tablet included in most sample bottles is intended to stay in the bottle is meant to counteract and neutralize any existing halogen in the water during sampling. Once the sample is collected, secure the bottle and shake the sample for a few seconds to help dissolve the tablet. This collection method is appropriate for decorative fountains and hot tubs.
Potable Water – For water collection, turn on hot water & immediately fill the sample bottle. If one exists, take care not to lose the tablet from the bottle during sampling. Once the sample is collected, secure the lid and shake the sample for a few seconds to dissolve the tablet.
For swab collections, remove aerator if present. Moisten the faucet by turning on the hot water for a short time. Insert the swab into faucet opening rotating two times against the inner surfaces. Collect a small amount of warm water from the faucet in the collection tube. Replace swab in transport tube and seal tube.
For a showerhead, rotate swab over entire surface of the showerhead at least two times. Collect a small amount of warm water from the faucet in the collection tube. Replace swab in transport tube and seal tube.
Hot Water Storage Tank – Open the drain valve at the base of the heater or storage tank and immediately collect the flowing water into the sample collection bottle. Allow the water to continue to drain for 30 seconds to flush out sediment within the drainpipe. Collect another sample into a second sample bottle. Submit both samples to the lab labeled “immediate” and “post flush.” Swabs are not considered an appropriate sample for hot water tanks.
Once sample has been taken, it should not be overly handled and should be shipped to an approved lab immediately. Please note: Since many labs are closed on the weekends, it is practical to take samples earlier in the week so that they are delivered in a timely manner.