Manual

3. Remove the ﬁ lter from the

syringe. Remove the plunger

from the barrel. (This step is

required to prevent rupturing

the ﬁ lter by the vacuum that

would be created when the

plunger is removed.)

4. Replace the ﬁ lter and repeat

step 2 for a second rinse

of the syringe and storage

container.

5. Remove the ﬁ lter from the

syringe. Remove the plunger

from the barrel. Replace

the ﬁ lter and ﬁ ll the syringe

with approximately 50 mL

of deionized water. Filter

the water into the storage

container and save this

turbidity-free water.

6. Repeat Step 5 until the

desired amount of turbidity-

free water has been collected.

 TESTING TIPS

1. Samples should be collected in a clean glass or polyethylene

container.

2. Samples should be analyzed as soon as possible after collection.

3. Gently mix sample by inverting before taking a reading but avoid

introducing air bubbles.

4. For the most precise results, follow the recommended procedure

Analysis