Table 16—Sr™ IN NEW YORK CITY TAP WATER Sampling period Sr*, ppc /liter 1954 Sampling period 8/13 —-8/20 0.054 + 0.018 2/16 —3/1 4/20 —4/30 3/1-5/15 11/17-11/29 0.090 + 0.027 6/28—7/17 yan 1985 - 5 oes * Op “O81 + 0. sr, uuc/liter 0.045 + 0.022 0.26 + 0.05 0.076 + 0.054 0.29 + 0.04 8/27 -9/12 0.13 £0.03 9/22-10/5 0.26 10/30-11/13 0.25 +0.02 9/12-9/22 10/5—10/17 +0.01 Sampl: 0.22 +£0.01 0.19 +£0.01 588: 398! 0.11 +0.02 4/16 —4/29 0.049 + 0.027 6/16 _ -—6/31 8/5-9/1 9/2-10/3 0.10 +0.03 0.18 +0.01 0.072 + 0.022 January 0.18 +£0.01 March 0.26 +0.004 April 0.18 + 0.002 11/4-12/2 0.068 + 0.027 Tone 016 40.01 August 0.272 + 0.027 5/21-6/15 10/4-11/3 12/3—12/19 12/20—1/5/56 <0,027 0.18 + 0.027 0.054 + 0,022 1957 0.23 + 0.03 Ma 0.094 + 0.009 July 0.15 + 0.02 1986 1/6—1/31 2/1-—2/15 11/14-11/27 December 0.14 +0,02 0.090 + 0.022 September October November December HAS 0.20 +0.01 2/4—3/3 3/4—3/29 3/30 -4/15 — 0.014 + 0.009 a a . 719. 712 0.007 + 0.004 589 0.235 + 0.012 589 589 -39 589 599 0.115 + 0.008 0.051 + 0.004 0.082 + 0.006 0.058 + 0.004 T12 T12 592 592 Table 17a—Sr®™ IN TAP WATER COLLECTED BY THE UNIVERSITY OF CHICAGO Sample No. CL-60 CL-687-P CL-1093-P Collection date Oct. 27, 1953 May 1955 Mar. 2-13, 1956 Source University of Chicago Pittsburgh, Pa. Pittsburgh, Pa. sr™/liter, upc «0.046 + 0.0095 0.138 + 0.0095 0.158 + 0.016 : 58¢ 5g¢ 7T1é TLE i . HA Samp Table 17b——Sr*’ IN TAP WATER COLLECTED BY THE LAMONT GEOLOGICAL OBSERVATORY Sample No. Ww-2 Collection date Source Feb. 20, 1954 Lamont Observatory Sr” /liter, puc TL: £0.113 71: W-16 W-23 W-30 Mar. 13, 1954 Apr. 13, 1954 Apr. 10, 1954 Lamont Observatory Lamont Observatory SW Bronx, N. Y. 0.187 + 0.033 0.006 0.164 + 0.032 W-42 W-41 W-65 W-63 Sept. Dec. Mar. Aug. Lamont Observatory Lamont Observatory Lamont Observatory Hammerfest, Norway 0,200 0.113 0,117 0.106 1954 1954 1954 5, 1954 71 + + + + 0.020 0.018 0,018 0.031 71: 71 71