(MAVAIO) Project 2.9 - Standard Recovery Procedure for the Tactical Decontamination of Ships ~ F. S, Vine cesrenryr Te evaluate recovery procelures for ship decontamination, PROCIDURE Because of the two-day availability of the YAGs 39 and 40, and the Task Force personnel assigned to the decontamination work party, ship decontamination procedures were limited to firehosing, handscrubbing and firchosing in the non-washiown areas and the superstructure, and to firshosing alone in the washdown area aft of the superstructure. - The YAG 40 was decontaminated at the Parry Island decp water pier on Tf 2, Similar operations were conducted aboard the YAG 39 while at ancher in the stream on # 2, Detontaminstion of tho LST 611 was not required hecause of the low s radiation levels ani the absence of remcevable ccntamination,. The average initial levels aboari YAG 40 were 7.3 mr/hr in the non-washiown area forward of the superstructure ani 4.1 mr/hr in the washdown area aft. The decontamination procedures reduced these levels to 6.1 m/hr an? 3.7 mr/hr (corrected for decay according to t -1,2 °" from H #54 to H £ 56.5) with resultant decontamination effectivenesses of 18 pereent and 5 percent, respectively, The corresponding initial levels aboard the YAG 39 were 23.2 mr/hr and 4.3 mr/hr. Corenyong ‘ Ve ae After decontamination these were 10.4 mr/hr and 3.7 mrfhr