CONTENTS PAGE SYMBOLS UNITS AND EQUIVALENTS .. «2 of +e oF es 08 ae CONTENTS 22 se es ee ce cu ee ‘ee 08 oe 08 08 ee POTENTIAL HEALTH HAZARD - PERMISSIBLE LEVELS OF RADIOACTIVITY LOCATION OF COLLECTING STATIONS IN NEW ZEALAND. FIG. 1 eo. ee GRAPHICAL SUMMARY OF ROUTINE MEASUREMENTS FIG. 2 oe «+ SUMMARY ec oc sc se 08 cf 08 co 0s «0 08 4 os 1 2 3 4 5 6 «8 «8 ef Total Beta Activity of Weekly Rainwater: Collections, Table 2. Strontium-90 in Rain, Table 3a. ee ne 28 «0 cf 8 Strontium-89 in Rain, Table 3b. «ce «of «se 08 «8 se ov oe 08 es Strontium-90 and Caernium-137 in Milk, Table 4. TII - 4 @ ce —_— —+~ Oo Total Beta Activity of Air Samples, Table 10 ~] RESULTS OF ROUTINE MONITORING OF FALLOUT DURING FIRST QUARTER 1968