Daily rain showers, typical of the Marshalls in the spring, provided ddi- The release of vehicles and equipment contaminated at 0.010 R/hr ry tional decontamination for articles stored outdoors. less still presented a problem when these items were removed from sto age for use at Enewetak or shipped to the United States. mis- Even these low sion levels jeopardized low-level decay measurements in sensitive are therefore, low~level contaminated equipment was excluded from them. F rther decontamination of these items would have been difficult and impracti al. Scientific experiments were usually decontaminated by brushing or water spray before transport to Parry. decontamination procedure In some cases, however, the e tire (e.g., TG 7.4 aircraft) was conducted at Pa (Figure 39). Figure 40 shows a tent for changing contaminated clothing at Parr Contaminated clothing was removed at this and similar checkpoints to oid the spread of contamination into uncontaminated areas. ee TG 7.2 used t mobile laundry units to decontaminate clothing for TG 7.4. The laund Plant on Enewetak Island employed 41 men on the day shift and 17 men the evening shift. The contaminated wastewater drained directly into he lagoon. Radiation of personnel and material was measured with side-windowGeiger counters. The instruments, which contained counter tubes with thicknesses of about 30 mg/cm”, were used with the beta shield open. possible, the surface of the probe was held from 1 to 6 inches cm) type all en (2.5 to from the surface under observation. Aircraft Decontamination Table 13 lists all aircraft involved in CASTLE. In addition to th 7.4 cloud tracking and sampler aircraft, P2V~6 aircraft required decon nation, as did the amphibious aircraft used to evacuate sonnel from Rongerik and natives from Rongelap. 152 weather statio ami- per- The RAF Canberra samp er