Document qapRoBbxjBX4e6z24XE9gGMyE

BOULDER COUNTY HEALTH DEPARTMENT SOULDEP.COLORAOO 60309 Novabor 1979 Klth BattBSS 10368 V. Baseline hoed lafayette, Coloredo Deer Mr. Bateaan, , Run ho inforowd that the enelysla for PCB levels in Tour blood ecru* thou the following results: 14 PPB No one that we tested was above the ^20 ppb considered background and expected in the mjorltj of the population in the United States. Your oooperatlon in our study is appreciated. ' Thank you. ;aryen Killer DltgSJor Xnvironeental Health Division HONS 002362