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Old 08-07-2008, 10:25 PM   #10 (permalink)
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Join Date: Dec 2006

Originally Posted by HP_Lovecraft View Post
Anyway, avoid the 4oz tanks. They are not exempt from hydro because they are steel, and since they have not been on the market for almost 10 years, none would be legal to use. Also, you can not annodize them (if that interests you).

Bottles 2 inches in diameter or less, and less than 2 feet long DO NOT have to be tested.
"The 2 and 2 rule."

Requalification (HYDROTESTING) not required per the note under table 1 in 49CFR part 180.205. The note reads, "Any cylinder not exceeding two (2) inches in outside diameter and less than two (2) feet in length is exempt from volumetric expansion testing."
Unconscious Incompetent: You don't have enough knowledge to even realize you can't perform a given task.
Conscious Incompetent: You gain just enough knowledge and skill to realize that you suck at a given task.
Conscious Competent: You gain skill through practice and eventually can do a fair job at a given task with a lot of conscious effort and thought.
Unconscious Competent: Eventually, after enough practice, the given task will become second nature and it will no longer feel "uncomfortable".

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