MIL-STD-1622B(SH)
TABLE I. Grades of water.
Item |
Grade |
||
A 1/ |
B 1/ |
C 2/ |
|
Chloride ion, maximum, ppm |
0.1 |
1.0 |
35 |
Conductivity, maximum, micromhos/cm 3/ |
2.5 |
20 |
550 |
Resistivity, minimum, ohms-cm 3/ |
400K |
50K |
1.8K |
pH range 4/ |
6.0 to 8.0 |
- |
- |
Visual clarity |
No turbidity, oil, or sediment |
||
1/ Demineralized water meeting the requirements of ASTM D 1193, type II, satisfies grade A or B requirements.
2/ Potable water and municipal water generally meets grade C requirements.
3/ Measure either conductivity or resistivity; resistivity is the inverse
of conductivity.
4/ When the conductivity of grade A water is 0.25 micromhos/cm or less, pH
measurements are not required.
4.2 Cleaning solutions.
4.2.1 Navy Oxygen Cleaner (NOC).
4.2.1.1 Applicability. NOC is an aqueous alkaline cleaning solution approved for use as a precleaner or final cleaner for all compatible piping and components. NOC shall be in accordance with MIL-DTL-24800.
4.2.1.2 Safety precautions. Follow the safety precautions recommended in the vendor's Material Safety Data Sheet (MSDS) and the following precautions recommended by the Navy Environmental Health Center (NEHC).
(a)Skin contact with NOC will result in irritation and chemical burns.
Wear impervious protection clothing constructed of neoprene or
other material of equivalent resistance to penetration so as to
prevent skin contact. Use elbow length gloves (with cuffs) as
minimum protection any time open containers of the cleaning agent
are handled. Wash potentially exposed skin areas with soap and
water at breaks, and at the conclusion of the operation. Do not
use organic solvents for this purpose. Thoroughly clean
protective garments at the conclusion of the operation and store
for reuse. Remove clothing which becomes contaminated as soon as
possible and thoroughly clean before reuse. Seek prompt medical
assistance should a rash, chemical burn, or other adverse effect
be experienced which may be related to working with NOC. Do not
store or consume food and tobacco in areas where they could be
contaminated with NOC.
(b)Eye contact with NOC could result in chemical burns. Wear chemical
worker's goggles for all operations where eye contact with NOC
could occur. Use a full-length face shield for any operation
where splashing of the material could occur. In the event of eye
contact, personnel should flush their eyes thoroughly with fresh
water for a minimum of 15 minutes, then seek prompt medical
attention. An eye wash system conforming to the design
requirements of the American National Standards Institute (ANSI)
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