REECo 29 PROPOSED SOIL PREPARATION BY BALL MILLIN 1 cord, tared cans (24 hours) and place in drying oven. _ to empty cared cans, work in-4 "side a larger [pag.. and con| ° lr] tents “| “record ‘weights. : Weigh, and re- Transfer soil J} Weish bag “Le at add 10 balls/ can, fasten lids, Sieve on in ball mill. 3500 wu 3 bours Collect fines in tared cans; put coarse ina ® tared Nalzene Fine puc coarse in |fresn can and. L hour f fresh can and ball mill’again, Step ll Step LO bottle - weizh Sieve on 500 u sereen; coilece tines and save; sereens_collect fines and saye; install clips, place Remove dricd sample cans weigh and record weights. Stes 9 Won Step 8 Step 7 Steps 5,6 Steps 2,3,4 Step 1 | ball mill again, L hour Sieve on 309 wu scrcen: olend all <500 u on ball mill. ae Make up two 700 gm samples for Cs-137 “analysis - save remainder. .( _ Samples — —_ we A B and teeord weichts 1 — t — i a ' Step12 Make up one200 gm ‘ compdsite sample from ' | Romainder | Coarse ! Scorace nt layers 1 and 2 and one 200 gm composite Saroles sample from layers 3 and & for Pu-239,240 analysis, save -remain- | / | ” 18213 : ——' Lo eh ee wee | Renaindar_| ae 151 a f- Storaze |