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a estar the advanced solid rocket motor

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court is essential to the continued

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launch of a space shuttle into the year

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2000 and beyond use of the redesigned

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motors in the shuttle program of the

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mid-1990s will greatly improve flight

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Stennis Space Center in Hancock County

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Mississippi has been selected as the new

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site for testing of the rocket motors

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the test facility an associated easement

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area cover over 130 9,000 acres the

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proposed test area for the advanced

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solid rocket motor is located in the

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eastern half of the fee area north of

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the access canal and east of the

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existing test stands used for the

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testing of the space shuttles main

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engines the new asrm test n will be at

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least six miles from the nearest

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community testing of the new motors is

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scheduled to begin in late nineteen

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ninety-two 8motor tests are planned for

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the first two years followed by two

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tests per year there after each test

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will last about two minutes nASA has a

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considerable database of experience in

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the testing and launching of solid

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rocket motors likewise NASA also has

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access to the experience of Department

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since nineteen sixty four nASA has

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launched 143 vehicles using solid

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propellants included in the number are

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32 space shuttle flights since 1981 from

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Kennedy Space Center employed in all

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these years nASA has seen no negative

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environmental impact of the critical

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Florida ecological system or wildlife

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habitat a habitat which includes the

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manatee bald eagle and approximately 50

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other threatened and endangered species

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likewise NASA has accomplished 22

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firings of the Space Shuttle solid

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rocket motors at a site in Utah the test

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site is just four miles from farmlands

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where crops are grown in cattle graves

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nASA has extensively monitored many

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tests with ground instrumentation and

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aircraft measurements the combustion

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byproducts ride the thermal plume up to

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a 20,000 foot altitude then dissipate

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over a very large area this experience

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coupled with advanced field certified

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computer modeling efforts provides NASA

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with the confidence to test at Stennis

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Space Center

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with an adequate buffer zone to ensure

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proper acoustical protection relating to

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test firing the asrm test and location

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was chosen to minimize noise to the

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surrounding communities testing will

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only be done under proper weather

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conditions to minimize sound effects

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related to testing a noise monitoring

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program will also be established to

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verify actual levels of noise resulting

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from test firing noise levels will be

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below those experienced during the

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earlier Saturn stage testing done at

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Stennis Space Center in the Apollo

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program public announcements will be

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made prior to all tests a portion of the

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Stennis Space Center area where the asrm

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test and will be built is defined as a

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wetlands and therefore requires a

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wetlands permit from the US Army Corps

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of Engineers as required by law this

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area will be replaced by creating

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wetlands and another area of Stennis

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Space Center in order for construction

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to start at the test site the Corps of

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Engineers must approve NASA's

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replacement wetlands plan and issue a

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permanent in addition to the wetlands

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permit an air permit must also be issued

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to NASA before construction of the test

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n can occur dr. Becky McCaleb

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Environmental Officer at Stennis Space

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Center has been involved in the

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environmental impact studies and permits

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associated with the advanced solid

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rocket motor program information on the

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project was released in the

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environmental impact statement as well

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as in public meetings with adjacent

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communities a typical test scenario as

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it will occur at Stennis Space Center is

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explained by dr. Michaela advanced solid

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rocket motors will be tested at Stennis

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Space Center using a man-made deflector

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to protect the soils or mechanically

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turn the exhaust upward the exhaust

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consisting of primarily 127 tons of

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hydrogen fluoride 212 tons of aluminum

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oxide and water vapor will be released

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in 135 seconds and rapidly rise above

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the mixing layer spanning altitudes of 1

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to 3 miles and more above the ground the

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boater burn rate characteristics

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producing exhaust 6,000 degrees

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Fahrenheit for the initial velocities

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eight times the speed of sound assuring

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dispersion at high altitudes unlike the

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exhaust from industrial smokestacks NASA

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will assure dispersion of the motor

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exhaust using both on-site and off-site

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modern meteorological monitoring

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techniques to determine atmospheric

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conditions firings will only be

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conducted when wind conditions and

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atmospheric stability fully comply with

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permit restrictions established by the

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Mississippi Bureau of pollution control

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and the US Environmental Protection

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Agency permanent restrictions will be

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developed through comprehensive computer

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analyses consideration of worker and

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public health and protection and

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maintenance of the quality of our