MIL --- PRF --- 51200D
3.5 Environmental performance requirements. Environmental stress is integrated into the
following requirements.
3.5.1 Low temperature storage. None of the components of the kit and associated packaging
shall show any signs of visual damage, degradation or deformation after storage for 1 week at
--- 60°F ( --- 51°C). The sampling kit shall meet the custody seal requirements of 3.3.4.2, labeling
tape requirements of 3.3.7.1, marking requirements of 3.3.8.2, and syringe requirement of
3.3.12.6 after low temperature storage and conditioning in accordance with 4.4.13.
3.5.2 High temperature storage. None of the components of the kit and associated packag-
ing shall show any signs of visual damage, degradation or deformation after storage for 2 weeks
at 160°F (71°C). The sampling kit shall meet the custody seal requirements of 3.3.4.2, labeling
tape requirements of 3.3.7.1, marking requirements of 3.3.8.2, and syringe requirement of
3.3.12.6 after high temperature storage and conditioning in accordance with 4.4.14.
3.5.3 Shock/shatter resistance.
3.5.3.1 Low temperature. After 4 hours of temperature conditioning at --- 20°F ( --- 29°C) fol-
lowed by a 4 ft drop, the entire sampling kit shall show no indications of damage to components
in Table I (e.g. punctures, tears, breakage).
3.5.3.2 High temperature. After 4 hours of temperature conditioning at 120°F (49°C) fol-
lowed by a 4 ft drop, the entire sampling kit shall show no indications of damage to the compo-
nents in Table I (e.g. punctures, tears, breakage).
3.6 Support and ownership requirements.
3.6.1 Identification marking. The marking on each carrier of each filled kit shall include the
name of the item, manufacturer, date of manufacture, model and/or serial number. Some of
this information may be in the form of a lot number. Marking shall be clear and legible and
shall resist fading and smearing. The marking shall be visible from the outside of the closed
carrying case. Additional information such as contract number may be required by solicitation
(see 6.2). Lot number system shall be used in accordance with 4.3.1. Verification shall be in
accordance with 4.3.5. Compartments will be labeled soil, water, and surface as appropriate.
3.6.2 Workmanship. The sampling kit shall be free of workmanship defects such as break-
age, tears, cracks, and foreign matter.
3.6.3 Shelf life of assembled kit. The kit should be designed for a shelf life of at least ten
years.
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