Link s Can we have some of the internediate crops? Say July? LARSEN? Yes, observe...this would be 4/15/52 reading at 9.9% At17/1/52 we are reading 1.8, and the fourth crop was harvested...{his is reading about 2.6. SOLOMOR s ° Te Aren't your controls just the thing we're trying to meastre? I mean this represents the fallout that hasn't been fractionated in any test. LARSEN: | The controls supposedly have never received any fallout, because they were collected from San Fernando Valley, | SOLON ON ¢ Yes, but if the stuffts leaking down all the tixe, KH Oh, but thagés radioactivity Grom natural sources, - LARSENs there's Oh, yes, you've got K-42, For ell the potassium inthe world * °~ e UCBs 5 you have .012% that's radioactive. VOICEs LARSEN s This was before KIEE. You have rubidiua, which is natural. You have the thorium series, You've always got thatto contend with, ony tine you fertilise, why you're adding radioactivity,| Now the ladino clover was added or planted after ws finished with the fifth crop, and we took five crops of that off, I have the last bit of data which cane off on November I deg yor pardon. Just this lest acnth. And the flat was 1.86 dps, the controlled 1.6 dpe. Quam. ergy Denartment f En ce ti Ci § Historian’ poOMBES 2B