TABLE B-13-1. CONCRETE SAMPLES FROM BUNKERS ON ISLAND IRENE Avg. HP-210 Reading (epm/probe area) Sample Location Before Sampling Ivy Station 200 Surface Ivy Station 200 Second Cut Ivy Station 600 Surface Ivy Station 600 Second Cut After Samplin 13700 6894 6894 3876 10745 4854 4854 2484 TABLE B-13-2. SAMPLE ANALYSIS RESULTS (pCi/g+2o) wm Co DS Sample im GO DO be Sample Lab. Number 00-08447 00-08448 00-08449 00-08450 Lab. Number 00-08447 00-08448 00-08449 00-08450 90 Sp xfer 493.9+2.6% 247.6+3.4% 215.6+4.9% 315+3.1% 470+2.2% 565+1.8% 109.4+6.9% 5574+0.95% 239py 238 py 0.59+28% 1.01+22% 0.434+34% 0.59+28% 0.15+56% 0.36+37% 0.11+67% 0.20+49% 241am,Chem 0.85+60% 0.32+140% 0.17+200% 0.38+120% CONCRETE FACE DIRECTION OF CUT - TAPE : 4 10 CM CU ih 5 A Il 6g C = — CONCRETE CHIPS a oh ” wu 7s, Hb OD ays a” FJ Poe tee hensSVS ‘ ve tf ee TG De } FIGURE 8-13-1. CONCRETE SURFACE SAMPLING CONFIGURATION B-13-2 80Co 11.48+37% 6.414+49% 10.06+34% 5.69451% 24lam,Gamma MDA MDA 3.89+240% 6.48+130%