. Annual report of the State Board of Health of Massachusetts . 000.] Tempera-ture. Deg F. O 8 Ammonia. NiTROGKN AS •6 a s § o w a■a K 3 albuminoid. 00 g -S 1895. 3 c5 3 3 o OS S3 January, 35 .31 .0123 .0089 .0074 .31 .0300 .0001 .28 368 February, 34 .36 .0117 .0115 .0096 .32 .0350 .0001 .31 357 March, . 35 .34 .0102 .0104 .0097 .29 .0350 .0000 .36 200 April, 43 .42 .0130 .0092 .0079 .19 .0360 .0001 .34 67 May, . 62 .0067 .0093 .0082 .17 .0390 .0000 .32 68 June, 72 .37 .0062 .0090 .0083 .24 .0410 .0001 .30 68 July, . 73 .33 .0075 .0097 .0083 .39 .0450 .0001 .23
. Annual report of the State Board of Health of Massachusetts . 000.] Tempera-ture. Deg F. O 8 Ammonia. NiTROGKN AS •6 a s § o w a■a K 3 albuminoid. 00 g -S 1895. 3 c5 3 3 o OS S3 January, 35 .31 .0123 .0089 .0074 .31 .0300 .0001 .28 368 February, 34 .36 .0117 .0115 .0096 .32 .0350 .0001 .31 357 March, . 35 .34 .0102 .0104 .0097 .29 .0350 .0000 .36 200 April, 43 .42 .0130 .0092 .0079 .19 .0360 .0001 .34 67 May, . 62 .0067 .0093 .0082 .17 .0390 .0000 .32 68 June, 72 .37 .0062 .0090 .0083 .24 .0410 .0001 .30 68 July, . 73 .33 .0075 .0097 .0083 .39 .0450 .0001 .23 50 August, . 74 .36 .0080 .0082 .0073 .33 .0370 .0001 .22 38 September, 69 .29 .0048 .0087 .0066 .31 .0360 .0002 .21 40 October,. 55 .42 .0079 .0099 .0093 .38 .0360 .0003 .32 60 November, 45 .60 .0137 .0128 .0113 .24 .0350 .0000 .42 52 December, 38 .54 .0118 .0088 .0086 .21 .0450 .0001 .34 93 574 STATE BOARD OF HEALTH. [Pub. Doc. Monthly Averages of Analyses of Water from the Outlet of the Distributing Reservoir. [Parts per 100,000.]. Monthly Averages of Analyses of Water from a Tap at the Lawrence City Hall. [Parts per 100,000.] Tempera-ture. Deg. F. u o I Ammonia. co s o Nitrogen as •6o a 3 o 0) c S — 1893. •6o c < OS f5 pi January, 37 .31 .0071 .0085 .31 .0340 .0001 .28 140 February, 36 .33 .0082 .0088 .32 .0410 .0001 .28 104 March, . 39 .82 .0096 .0086 .35 .0480 .0000 .29 104 April, . 41 .36 .0064 .0094 .22 .0460 .0000 .31 92 May, 57 .32 .0010 .0089 .20 .0470 .0000 .26 171 June, . 64 .20 .0009 .0081 .24 .0420 .0000 .26 64 July, . 69 .24 .0016 .0081 .29 .0430 .0000 .19 66 August, 70 .25 .0011 .0078 .31 .0390 .0000 .18 55 September, 65 .21 .0012 .0071 .31 .0390 .0000 .17 50 October, 57 .22 .0015 .0075 .29 .0400 .0000 .16 51 November, 47 .52 .0043 .0118 .25 .0360 .0000 .88 50 December, . 41 .51 .0050 .0091 .21 .0360 .0001 .87 62 No. 34.] FILTRATION OF WATER. 575 Monthly Averages of Analyses of W
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