MIL-STD-1622B(SH)
Z358.1 shall be in the immediate vicinity of all operations. Eye wash systems shall be capable of providing a minimum of 15 minutes of water for emergency flushing.
(c)Over exposure to mists or vapors from NOC may result in sneezing, coughing, respiratory system irritation, and possibly chemical burns and subsequent edema in the upper airways. Based on off-gas testing at temperatures up to 180oF, such a possibility is unlikely, considering the magnitude and frequency of use. If irritating solution mist is present, approved respirators shall be worn to avoid inhalation (see 6.4). In the event any adverse health effects are experienced, cease operations involving NOC and consult the cognizant medical department representative for additional guidance.
4.2.1.3 Disposal. Disposal of NOC shall be in accordance with local, state, and federal regulations. If neutralizing NOC, dilute at least 4:1 with water before adding acid to prevent forming a precipitate.
4.2.1.4 Compatibility. Appendix A gives the compatibility of NOC with various materials. Where specific information is lacking, perform compatibility testing as specified in A.3 of Appendix A. NOC used to clean aluminum or anodized aluminum should be diluted 50% with water.
4.2.1.5 Inspection prior to use. The following inspections shall be performed prior to using NOC.
(a)A shake test as specified in 5.14.2 and a visual clarity inspection as specified in 5.14.3.2 shall be performed. NOC which fails either inspection due to the presence of oil shall be rejected and returned to the vendor. NOC which fails the visual inspection due to the presence of particulate or fiber shall be either filtered with a 5 micron nominal or finer filter to remove the suspended particulate or fiber or rejected and returned to the vendor.
(b)Government purchases of NOC are origin inspected, origin accepted with a Certificate of Analysis for each lot maintained by Defense Supply Center Richmond. Other purchasers of NOC should request a Certificate of Analysis with each delivery. Any NOC returned to a vendor because of a quality deficiency shall be noted (see 6.3).
4.2.1.6 Dilution. NOC shall be diluted as follows:
(a)Concentration: NOC can be diluted with water up to 50%. NOC
should be diluted 50% with grade B water when cleaning aluminum or
anodized aluminum.
(b)Water quality: The preferred quality of water is 5 micron nominal
or finer filtered grade A water. For long term use in cleaning
equipment, such as an ultrasonic cleaning tank, parts washer, or
flushing rig, grade B water may be used with a 5 micron filter
installed. For short term use, such as a few hours, 10 micron
filtered grade C water may be used.
(c)Order for mixing: In order to yield a more stable solution which
will extend the life of the cleaner, water should be added to NOC
rather than adding NOC to water.
4.2.1.7 Use of NOC in previously used equipment. For critical application cleaning equipment previously used with other than NOC, the following actions should be taken to minimize and evaluate for the possibility of the NOC reacting with the residue left behind.
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