MIL-STD-1330D(SH)
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4.3.1.2 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 safety goggles for all operations where eye contact with NOC could occur. Additionally, 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 not less than 15 minutes, then seek prompt medical attention. An eye wash system conforming to the design requirements of the American National Standards Institute (ANSI) Z358.1 shall be in the immediate vicinity of all operations. Eye wash systems shall provide not less than 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 180 degrees Fahrenheit (°F), such a possibility is unlikely, considering the magnitude and frequency of use. In the event any adverse health effects are experienced, cease operations involving NOC and consult the cognizant medical department representative for additional guidance.
4.3.1.3 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.
4.3.1.4 Compatibility. Appendix A gives the compatibility of NOC with various materials. Where specific information is lacking, perform compatibility testing as specified in A.3.1 of Appendix A. NOC used to clean aluminum or anodized aluminum shall be diluted 50 percent with water as specified in 4.3.1.6.
4.3.1.5 Inspection prior to use. The following inspections shall be performed prior to using NOC.
a. A shake test as specified in 5.13.2.2 and a visual inspection as specified in 5.13.3.2 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 micrometer nominal or finer filter to remove the suspended particulate or fiber or rejected and returned to the vendor.
b. Activities verifying cleanliness using the non-volatile residue (NVR) by filtration procedure of Appendix B shall sample one container or drum of each NOC lot or batch to determine the background NVR. NOC from different lots or batches may be sampled from storage tanks, such as flushing rigs, to determine the background NVR. For NOC fresh from a container, drum, or tank which has not been used, the baseline NVR shall be no
greater than 10 milligrams per liter (mg/L). NOC with greater than 10 mg/L NVR shall be rejected and returned to the vendor or filtered with a 5 micrometer or finer filter and verified less than 10 mg/L NVR prior to use.
c. Government purchases of NOC are origin inspected, origin accepted with a Certificate of Analysis for each lot maintained by the Defense Logistics Agency. Vendors purchasing 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).
4.3.1.6 Dilution. NOC shall be diluted as follows:
a. Concentration: NOC can be diluted with water up to 50 percent. NOC shall be diluted 50 percent with
Grade A or B water when cleaning aluminum or anodized aluminum.
b. Water quality: The preferred quality of water is 5 micrometer 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 1 micrometer nominal or finer filter installed. For short term use, such as a few hours, Grade B water may be used with no filter.
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