MIL-STD-1330D(SH)
20 September 1996
4.3.2.2 Safety precautions. Follow the safety precautions recommended in the vendor's material safety data sheet and the following:
(a) TSP is a solid, crystalline material which has a caustic action on skin, eyes, and mucous membranes. Repeated or prolonged contact with the solid material or its solution shall be avoided.
(b) Chemical safety goggles or face shield, rubber gloves, and rubber aprons or coveralls shall be worn to prevent skin contact. 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) If skin contact occurs, exposed areas shall be washed with large amounts of fresh water. If irritating dust or solution mist is present, approved respirators shall be worn to avoid inhalation.
(d) In the event any adverse health effects are experienced, cease operations involving TSP and consult the cognizant medical department representative for additional guidance.
4.3.2.3 Disposal. Disposal of TSP shall be in accordance with local, state, and federal regulations.
4.3.2.4 Compatibility. Appendix A gives the compatibility of TSP with various materials. Where specific information is lacking, perform compatibility testing as specified in A.3.1 of appendix A.
4.3.2.5 Solution preparation. Prepare the TSP cleaning solution by dissolving 2 pounds of type I or 4.5 pounds of type II TSP with 5 gallons of grade B water at 160 to 180EF. In order to prevent a violent reaction and to more completely mix the TSP, add the TSP to the water; do not add water to the TSP.
The solution shall be circulated until the TSP is dissolved prior to exposing the solution to a system or component.
4.3.2.6 Stowage. If a TSP stowage tank is not large enough, do not mix a solution stronger than as specified in 4.3.2.5 and attempt to dilute it in the piping system. Failure to maintain the temperature of a solution stronger than as specified in 4.3.2.5 at 160 to 180EF can result in the TSP precipitating and developing a harden mass. This hardened mass is difficult, if not impossible, to remove. The preferred stowage tank material is stainless steel. Bulk shipboard stowage of TSP shall be in accordance with S9086-WK-STM-010/CH-670 for alkalies.
4.3.3 Non-ionic detergent (NID).
4.3.3.1 Applicability. NID is a concentrated non-ionic hydrocarbon surfactant that is mixed with water, NOC, or TSP solutions to prepare an aqueous detergent cleaning solution acceptable for use as a pre-cleaner. NID shall be in accordance with MIL-D-16791, type I, or commercial equivalent, such as Triton X-
100.
4.3.3.2 Safety precautions. Follow the safety precautions recommended in the vendor's material safety data sheet (MSDS). In the event any adverse health effects are experienced, cease operations involving NID and consult the cognizant medical department representative for additional guidance.
4.3.3.3 Disposal. Disposal of NID shall be in accordance with local, state, and federal regulations.
4.3.3.4 Compatibility. Appendix A gives the compatibility of NID solutions with various materials. The compatibility of solutions of NID with NOC or TSP shall refer to the respective compatibility tables for NOC or TSP specified in appendix A. If necessary, perform compatibility testing as specified in A.3.1 of appendix A.
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