March 27, 2007, Tuesday
In response to our conversation of Tuesday 27
March 2007, I have prepared this list of things which we need to do inside of
U234 when it’s reopened. We are requesting that you reopen it so we can redo
these items. We won’t begin use of the lab for sample preparation until we’ve
gotten to the place on these requirements that we’ve agreed we should be to.
Please change the lock on the door so we can begin doing
these upgrades to the lab.
David D. Allred
This concerns changes in lab U234 to bring it up to
- Identifying and ordering particular filters that can
be used on the exhaust side of our roughing pump to eliminate particular
migrations into the building exhaust, in circumstances that could bring
particulates into the pump ever occurred.
- Replace with drop cords, all 110 outlets that come off
from the center bus, that are currently in use in the lab. This going to
require the electrical shop to install about four or five drop cords.
- Mark the
- Put red stripes on center portion of floor and
extending to the sink to designate areas in which contaminated parts
must be kept.
- Create a sign explaining the red stripe
- Create boxes for the sputter parts when they are out
of the sputter system so that contamination from flakes dropping off from
the parts will be kept to a minimum. These will probably be constructed out
of Plexiglas, metal or painted wood.
- Get copies of key F397 which is the cabinet key and
designate one shelf for the uranium and thorium targets when they are not in
the sputter system.
- Build inside of the cabinet a box for the radioactive
- Cover various electrical devices currently uncovered
and create signs designating those which have voltages less than 50 volts.
- Arrange to put a second layer of support on the gas
- Replace all frayed electrical cords in the room.
- Do a complete inventory of the targets and see that we
have SOPs/MSDSs for the materials which we sputter.
- Designated boxes for user’s PPE.
- flammable cabinet
- Tyvak suit.
- Designated areas: For radioactive waste, laboratory
hazardous waste and for solvents.