UFC 3-240-13FN
25 May 2005
5-1.4.3
Vapor-Phase Diesel Engine Cooling Systems...........................
143
5-2
WATER TREATMENT FOR CLOSED SYSTEMS .............................
143
5-2.1
Makeup Water Requirements ....................................................
143
5-2.2
Corrosion Control Programs ......................................................
144
5-2.2.1
Sulfite-Caustic (or other Oxygen Scavenger-Caustic) Treatment
Program...................................................................................
145
5-2.2.2
Nitrite-Azole Treatment Program ...............................................
146
5-2.2.3
Molybdate-Azole Treatment Program ........................................
146
5-2.2.4
Molybdate-Nitrite-Azole Treatment Program .............................
147
5-2.2.5
Polysilicate-Azole Treatment Program ......................................
147
5-2.3
Treatment and Control of Microbiological Growth .....................
148
5-2.4
Identifying Water Leaks .............................................................
148
5-2.5
Procedures for Layup of Hot and Chilled Water Systems .........
149
CHAPTER 6 WATER SAMPLING AND TESTING OF WATER SYSTEMS
Paragraph
6-1
WATER SAMPLING AND TESTING................................................
150
6-1.1
In-Plant Testing..........................................................................
150
6-1.2
Independent QA Analysis ..........................................................
151
6-2
COOLING TOWER WATER SAMPLING AND TESTING....................
151
6-2.1
Cooling Water Testing Requirements........................................
151
6-2.2
Frequency of Cooling Water Sampling and Testing ..................
152
6-2.3
Cooling Water Sampling ............................................................
152
6-3
ROUTINE BOILER WATER SAMPLING AND TESTING ....................
153
6-3.1
Boiler Water Sampling Cooler ...................................................
154
6-3.2
Boiler Water Sampling Procedures............................................
154
6-3.3
Sampling Locations ...................................................................
155
6-3.4
Frequency of Sampling and Testing ..........................................
156
6-3.5
Boiler Feedwater Sample ..........................................................
158
6-3.6
Condensate Water Sample........................................................
158
6-3.7
Boiler Blowdown Water Sample ................................................
158
6-3.8
Boiler Water QA Analysis ..........................................................
158
6-4
WATER SAMPLING AND TESTING FOR CLOSED HOT AND
CHILLED CIRCULATING WATER SYSTEMS..............................
159
6-4.1
Sampling and Testing of Makeup Water....................................
160
6-4.2
Ion Exchangers and Dealkalizer Water .....................................
160
6-4.2.1
Influent Water Testing................................................................
160
6-4.2.2
Effluent Water Testing ...............................................................
160
6-4.2.3
Sampling Location .....................................................................
160
6-4.2.4
Brine Testing..............................................................................
160
6-5
WATER TESTING.........................................................................
160
6-5.1
Water Sample Testing Methods ................................................
161
6-5.2
Corrosion Testing ......................................................................
161
6-5.2.1
Corrosion Test Coupons............................................................
161
6-5.2.2
Corrosion Pipe Inserts ...............................................................
161
6-5.2.3
Commercial Resources for Testing ...........................................
161
6-5.2.4
Corrosion Test Results ..............................................................
161
6-5.2.5
Testing Instruments ...................................................................
161
6-5.2.6
Heat Transfer Corrosion Test Equipment ..................................
162
6-6
INTERPRETATION OF RESULTS FROM WATER TESTS.................
162
6-6.1
Alkalinity Test Relationships ......................................................
162
6-6.1.1
Sources of Alkalinity ..................................................................
162
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