Fresenius Medical Care 460018, Operator'S Manual

Page: 49 / 75

P/N 460018 Rev. D 43
S
ECTION
14 : C
ONCENTRATE
S
OLUTION
D
ISPOSAL OR
D
ISPOSITION
14.1. R
ESIDUAL
S
OLUTION
D
ISPOSAL OR
D
ISPOSITION
There are three occasions that require the need to discard or disposition the residual solution. Those
occasions are described as follows:
•
Filter Housing Residual: Whenever you have to change out a Filter, then the solution in the Filter
Housing shall be poured into the Residual Solution Bucket and then discarded.
•
Hydrometer Cylinder Residual: Once you are complete with the Specific Gravity Test, the solution in
the Hydrometer Cylinder shall be poured into the Residual Solution Bucket and then discarded .
•
Initial 3.5 Gallon Transferred Solution: This is the 3.5 gallons of solution transferred into the
Residual Solution Bucket in the beginning part of the Specific Gravity Test, section 7.1, page 17. This
solution shall be dispositioned according to clinic policies and procedures.
14.2. T
ANK
S
OLUTION
D
ISPOSAL
There are five occasions in which you will need to discard the solution in the Dry Acid Dissolution Unit. Those
occasions are described as follows:
•
Expired Solution: If solution remains in the Dry Acid Dissolution Unit Tank for more than 14 days.
•
Foreign Object: Any foreign object falling into the Dry Acid Dissolution Unit Tank after the dry acid
product has been added.
•
Incorrect Catalog Used: Any batch preparation with incorrect dry acid product catalog (s) numbers.
•
Specific Gravity Out of Range: Any batch prepared that has been found out of range.
•
Dry Acid Unit Needing Service: Any Dry Acid Dissolution Unit that contains solution that becomes
inoperable.
DISPOSAL OF CONCENTRATE SOLUTION PROCEDURE:
MIXED DRY ACID CONCENTRATE SOLUTION HAS A PH BELOW 6. THEREFORE, IF YOU MUST DISPOSE OF ACID
CONCENTRATE SOLUTION BECAUSE OF ONE OF THE ABOVE SITUATIONS, YOU SHOULD FOLLOW ANY
APPLICABLE DISPOSAL REQUIREMENTS OF YOUR LOCAL, STATE, AND/OR FEDERAL AUTHORITIES. SEE CLINIC
MANAGER FOR FURTHER INSTRUCTIONS.
WARNING!
S
OME CHEMICALS USED TO NEUTRALIZE ACID CONCENTRATE SOLUTIONS MAY CAUSE SPLATTERING AND
/
OR
GENERATE DANGEROUS LEVELS OF GASES WHEN COMBINED
. F
OR EXAMPLE
,
POTENTIALLY DANGEROUS LEVELS OF
CARBON DIOXIDE MAY BE RELEASED WHEN SODIUM BICARBONATE IS USED AS THE NEUTRALIZING AGENT
. P
LEASE
CAREFULLY CONSIDER THESE ISSUES
,
INCLUDING PROPER VENTILATION
,
IF NEUTRALIZATION IS REQUIRED
.
Immediately after a tank disposal, step unit to CYCLE COMPLETE, press STEP MODE button to turn
OFF, then ensure that the water inlet valve is open and perform two (2) RINSE CYCLES by pressing the
RINSE CYCLE start button and by pressing it again when the first RINSE CYCLE is completed.
After completing two (2) full RINSE CYCLES visually inspect if there are any powder deposits remaining
in the tank. These can be removed by running additional RINSE CYCLES in the unit.
Immediately after rinsing the tank clean, make a batch of Dry Acid Product. Leaving the Dry Acid
Dissolution Unit with only treated water or wetted with only treated water leaves the Unit susceptible
to bacterial growth.

CAUTION! D
O NOT ALLOW THE
U
NIT TO REMAIN FULL OF WATER WITHOUT THE ADDITION OF
F
RESENIUS
M
EDICAL
C
ARE
D
RY
A
CID
P
RODUCT
. B
ACTERIAL GROWTH MAY OCCUR
.