qr, 3.17.2 Evaluate existing radiological safety procedure techniques and instrumentation for their suitability under tactical decontamination conditions, and obtain information to aid in the development of new and improved radiological safety techniques, equipment, and instruments. 3.17.3 Annex G outlines the objectives, procedures, and logistic requirements for the personnel protection group. 3.18 Shielding Studies Problem (6.4h) 3.18.1 Obtain information necessary to determine the natural gamma radiation sheilding of ship structures from radioactive material enveloping the ship and from radioactive material deposited on weather surfaces. 3.18.2 Obtain information necessary to compute the hazard from these two sources to personnel within naval vessels either equipped or not equipped with washdown systems. 3.18.3 Annex H outlines the objectives, procedures, and logistic requirements for the shielding study group. 3.19 Airborne Contamination Problem (6.4i) 3.19.1 Secure information on possible future need for shipboard air monitoring systems. Attempt to find the extent of airborne concen- trations of beta decay products. 5.19.2 Determine whether the present instruments designed will fulfill such needs for an adequate shipboard warning device. 3.19.3 Annex I outlines the objectives, procedures, and logistic requirements for the airborne contamination group. 3.20 Panel Studies (6.5) (6.41) 3.20.1 Obtain information necessary to determine the contamination characteristics of various construction materials. 3.20.2 Obtain information necessary to determine the decontamination char cteristics of various construction materials. 3.20.35 Check usefulness of beta instruments for measuring decontemination effectivenesses. ST. LOUIS FRC 3.20.4 Annex J outlines the objectives, procedures, and logistic requirements for the panel studies group. 00962 Scio [7