Cryptosporidium Pressurized Sample Filtration Envirochek™ HV Capsules

1. Install filter capsule
2, Record start time and initial meter reading
3. Slowly open sample tap, bleed out air, and adjust up to the following maximum values:
• 100 psig and 2 L/min
4. When at least 10 L has passed through the filter, turn off sample tap allowing pressure to decrease until water stops
5. Record stop time and final meter reading
6. Hold inlet pointing up, remove outlet tubing and allow water to drain
7. Open bleed valve to speed the draining process and disconnect inlet tubing
8. Seal the capsule with vinyl end caps, close the bleed valve, and place in gallon-size zippered plastic bag
9, Chill the sample as soon as possible to between 1° and 10°C until ready for shipment