~ you, by its sound, when there is no more material leaving on the separation operation. We send the coarse fraction right off to storage (REECo 86) as indi- | _cated on the flow diagram at the end of the three ball-millings. We con- : solidate the less than five hundred micron fraction into as few cans as we ‘ wif tan comfortably homogenize. The homogenizing is done by ball-milling the can that’has its maximum content a few minutes until we get homogenization. At the present time we are adding five hundred milliliters of soil to the counting.bottle. The bottles go to the Test Site and are put on a 10 automatic sample ‘changer (REECo 87). In the rubber glove is a vibratory 11 spatula which has_ been one of the most useful tools for transferring mate- 12 rials and for cleaning up:screens and doing various odd jobs. 13 We make up a 200-gram-compos ite soil specimen for the leaching process 14 in radiochemistry and I have.aiready indicated that we need the collabora- 15 tion of DRI 16 have accomplished what the collecttaigand processing set out to do. 17 us, we stil) have an important waysto-go and that is cleaning up al) of 18 the hand tools, the screens, the pans and covers that we have contaminated 19 with dust along the way. 20 as it goes on, you'll) notice that you don't:see dust coming from the opera- 21 tions. 22 operation. 23 detergent 24 initials or pictures of our family on the surfaee- ofthe pan for the 25 screen. 26 did it, we still ended up with a film (REECo 88). 27 cleaner and no longer have film on our equipment. 28 We in getting the proper_specimens combined. have been At this point we For If you come intoveka lab and watch the processing very concerned about "eliminating dust from our When we started out we would washall of the equipment with in the sink, then dry it, and found that we could draw our It didn't really matter how much brushing we did or how long we Wé-went to the sonic The equipment comes from the sonic cleaner, gets a water rinse, goes 145