73

H.—3l

Return of Analyses at the Analytical Laboratory, Christchurch —continued.

10-R. 31.

'Department or JESTJSS. received received. Nature ol Sample. Adulteration suspected, or for wnat analysed. Result of Analysis. 'olice 1907. Feb. 15 Glass with few drops of liquid Poison Coated with crystals of sulphate of quinine, and contained a few drops of a very strong solution of this salt. Contained a few drops of whisky only. Boracic acid. „ 16 . 16 .. Whisky-flask Packet of boracic acid Broken bottles with crystals H • • M Justoms Ira'ith * „ 18 .. „ 20 Mar. 2 2 .. Feb. 28 „ 28 .. „ 28 .. „ 28 .. .28 .. „ 28 .. Acetic acid Water, Sumner Water, service-pipe, Sumner Sewage, sentic tank, Victoria House Sewage, filter Sewage, septic tank, hospital effluent Sewage, filter-efflu-ent Sewage, Sumner drainage retainingohamber Sewage, Sumner main drain Tariff Purity Impurities Contained crystals of acid, sulphate of quinine, and a little of a saturated solution in sulphuric acid. 59'7 per cent, aoetic aoid. 57-8 Total solids, 672 ; organic and volatile matter, 21; chlorides, 0'92; sulphates, 0-6; lime, 2-82; silioates, 0-28 ; iron, trace; free ammonia, 0-05 ; album, ammonia, 001. Total solidx, 7-84; org. and vol. matter, 28; chlorides, 1-04; sulphates, 0'7 ; lime, 292 ; silicates, 0-31 ; iron, trace; free ammonia, 0-05 ; album, ammonia, 0-01. Parts per 100,000: Total solids, 65 ; chlorides, 14'4 ; nitrates, nil; free ammonia, 36; album, ammonia, 0-8; oxygen, 7-2. Parts per 100,000 : Total solids, 38 ; chlorides, 115; nitrates, nil; free ammonia, 2 ; album, ammonia, 0'2 ; oxygen, 1-6. Total solids, 76 ; chlorides, 12-3 ; free ammonia, 3 - 8; album, ammonia, 0-72 ; nitrates, nil; oxygen, 7'8. Total solids, 48-5 ; chlorides, 946 ; free ammonia, 2-5; album, ammonia, 0 - 3; nitrates, nil; oxygen, 2'6. Total solids, 108 ; chlorides, 36 ; free ammonia, 43; album, ammonia, 072 ; nitrates, nil; oxygen, 7'4. Total solids, 164; chlorides, 15-4 ; free ammonia, 5'6; album, ammonia, 09; nitrates, nil; oxygen, 8. Total solids, 124; chlorides, 19-4 : free ammonia, 8; album, ammonia, l'l j nitrates, nil; oxjgen, 11. Total solids, 14 gr. per gall. ; organic matter, 2-74; chlorides, 9; sulphates, trace ; lime, 1-65 ; silioates, 0-61 ; iron, nil; nitrates, trace; free ammonia, 0-004; album, ammonia, trace. Total solids, 14'28; organic matter, 2 - 8 ; chlorides, 9 ; sulphates, trace ; lime, 172 ; silicates, 0 - 56 ; iron, trace ; nitrates, trace : free ammonia, 0004; album, ammonia, trice. Total solids, 19 - 61; organic matter, 3 64 ; chlorides, 1517 ; sulphates, trace; lime, trace; silioates, 084; nitrates, trace ; free ammonia, 0*004 ; album, ammonia, trace. Total solids, 5'07; organic matter, 1-68; clilondes, 1-36 ; sulphates, trace ; lime, 1-73; silicate-, 0'28 ; free ammonia, 0004 ; album, ammonia, trace. Total solids, 5-96; organic matter, 2-42 ; chlorides, 106 ; sulphates, trace; lime, 2'2; silicates, 0 - 3 ; free ammonia, 002 ; album, ammonia, 0'007. This water could be safely oonnected with the supply, and so reduce the amount of salt. Mar. 2 .. Effluent, septic-tank, Sumner 6 Water, main reservoir, Heathcote Purity 6 .. Service-pipe 6 .. Old wells, pumpingstation 6 New well, pumpingstation 6 .. 350 ft. well. Water not connected • • • 4th April, , 1907. A. A. Bickerton, Analyst.