Congress could set the same maximum allowable expenses for both benefits and limit parents to using only one.

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The limit is twice the highest federal per diem rate allowable at the time of your travel.

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Instead, he found it had failed to operate at maximum allowable operating pressure--odd, given that this pressure is usually the upper limit for safety and El Paso was under federal restrictions after an August 2000 pipeline explosion killed 12 campers in New Mexico.

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