Memorandum this Hqs, dtd 23 Feb 54 (Cont'd) (1) Class "X" clothing, available at Depot Supply will be dravm and issued monitors by their respective units when necded, The following itenus may become necessary for protection of monitors. (a) HBT Trousers and Jackets. (b) Service Shoes, (c) Work Gloves, (a) Dust Respirator or Gas Mask. (e) Cap. Task Group 7.1, bootees may be issued). (2) Radiac instrument. (3) Pocket Dosimeter. (Hote: When working with (4) Film Badge, b, Raciac Instruments: Instruncnts will be issued to units. Unit Radsafe Officers will supervisc use and issue of the instruments te monitors within their units, Care and maintenance will be a unit responsibility, liaintenance Section, 6, Calibration checks wili be made by the Signal CARE AND OPZRLTICN OF RADIAC TiSTRULENTS: 2. Radiac AN/PDR T1B: (1) Operator Checks Before Use: If the instrument does not meet with the fcllowing operator checks, it should be taken to the Signal Maintenance Section for repair: (a) Turn the SELECTOR SULTCH to BATT. position. The meter indicator should read between the two lines marked "battery," (b) Turn the SELECTOR SIITCH to SET. If meter indicator docs not go to zero, adjust with ZERO CONTROL KNOB until gero reading is cbtaincd. As much as 2 five minute warm up period may be necessary for movemsnt of thc meter hand tc subside, (c) With meter warmed up, and arca free of radioactive contamination, check all moter scalcs to insure that the indicator stops on zero by turning the SELECTOR S'MTCH sloriy from one posi to the other, 105. asi (ad) With the SELECTOR SWITCH on 5 scale, turn the 3 55

Select target paragraph3