"BGS,  DFID,  DPHE",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
Groundwater Studies of Arsenic Contamination in Bangladesh,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
National Survey Data - Extended determinand suite,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
Release date: 25 May 2000,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
SAMPLE_ID,SAMPLE_FIELD_ID,SAMPLE_DATE,LAT_DEG,LONG_DEG,YEAR_CONSTRUCTION,WELL_TYPE,WELL_DEPTH,DIVISION,DISTRICT,THANA,UNION,MOUZA,GEOCODE,Al,Be,Cd,Ce,Co,Cr,Cs,Cu,Dy,Er,Eu,Gd,Ho,La,Li,Lu,Mo,Nd,Ni,Pb,Pr,Rb,Sb,Sm,Sn,Tb,Th,Tl,Tm,U,V,Y,Yb,Zn
,,,,,,,m,,,,,,,ug/L,ug/L,ug/L,ug/L,ug/L,ug/L,ug/L,ug/L,ug/L,ug/L,ug/L,ug/L,ug/L,ug/L,ug/L,ug/L,ug/L,ug/L,ug/L,ug/L,ug/L,ug/L,ug/L,ug/L,ug/L,ug/L,ug/L,ug/L,ug/L,ug/L,ug/L,ug/L,ug/L,ug/L
S98_02454,RIP0020,03/12/1998,23.688,90.522,1990,STW,66,Dhaka,Narayanganj,Shiddirganj,Shiddirganj,Shiddirganj,3678063773,15,< 0.05,< 0.02,0.027,7.2,< 0.5,< 0.05,< 1,< 0.01,< 0.01,< 0.006,< 0.01,< 0.005,0.021,2.3,< 0.005,0.8,0.02,5.9,0.15,< 0.005,0.4,< 0.02,< 0.01,< 0.1,< 0.005,,< 0.01,< 0.005,4.25,0.3,0.023,< 0.008,8
S98_02509,RIP1334,04/21/98,23.769,89.256,1989,STW,39,Khulna,Kushtia,Khoksa,Khoksa,Bhabanipur,4506347138,8,< 0.05,0.05,0.008,34.6,,< 0.05,7,< 0.01,< 0.01,< 0.006,< 0.01,< 0.005,0.006,5.1,< 0.005,9.4,< 0.01,,0.76,< 0.005,0.6,0.07,< 0.01,0.3,< 0.005,,< 0.01,< 0.005,5.59,< 0.2,0.059,< 0.008,94
S98_02614,RIP3246,05/17/98,23.039,91.52,1988,DTW,244,Chittagong,Feni,Chhagalnaiya,Chhagalnaiya,Pa.chhagalnaiya,2301428699,13,< 0.05,< 0.02,0.009,1.72,,< 0.05,6,< 0.01,< 0.01,< 0.006,< 0.01,< 0.005,0.008,2.2,< 0.005,4.3,< 0.01,132,0.16,< 0.005,1.9,0.04,< 0.01,0.1,< 0.005,,< 0.01,< 0.005,0.05,< 0.2,0.017,< 0.008,62
S98_02727,RIP0006,03/09/1998,23.754,90.582,1995,STW,25,Dhaka,Narayanganj,Sonargaon,Jampur,Singlaba,3670434921,4,< 0.05,0.51,0.078,5.89,< 0.5,< 0.05,1,0.01,0.02,< 0.006,< 0.01,< 0.005,0.022,6,< 0.005,< 0.1,< 0.01,23.6,0.12,< 0.005,0.1,0.02,< 0.01,< 0.1,< 0.005,,< 0.01,< 0.005,0.03,1.6,0.227,< 0.008,9
S98_02750,RIP0038,03/15/98,23.88,90.071,1996,STW,34,Dhaka,Manikganj,Manikganj Sadar,Krishnapur,Bora kafigram hi,3564671113,25,< 0.05,0.02,0.019,0.55,< 0.5,< 0.05,< 1,< 0.01,< 0.01,< 0.006,< 0.01,< 0.005,0.011,2.5,< 0.005,2.4,< 0.01,2.4,0.11,< 0.005,0.9,< 0.02,< 0.01,< 0.1,< 0.005,,< 0.01,< 0.005,7.12,< 0.2,0.027,< 0.008,4
S98_02752,RIP0040,03/15/98,23.802,90.02,1983,STW,18,Dhaka,Manikganj,Manikganj Sadar,Putail,Mid putail,3564694646,11,< 0.05,0.03,0.024,0.4,< 0.5,< 0.05,< 1,< 0.01,< 0.01,< 0.006,< 0.01,< 0.005,0.011,2.4,< 0.005,1.6,0.02,2.4,0.1,< 0.005,0.5,0.02,0.01,0.6,< 0.005,,< 0.01,< 0.005,6.61,< 0.2,0.04,< 0.008,4
S98_02789,RIP0090,04/21/98,23.92,90.139,1996,Tara,57,Dhaka,Dhaka,Dhamrai,Sutipara,Sutipara,3261494939,4,< 0.05,0.04,0.055,0.73,< 0.5,< 0.05,< 1,0.01,< 0.01,< 0.006,0.02,< 0.005,0.031,25,< 0.005,0.6,0.03,2.9,0.27,0.006,0.2,< 0.02,0.01,< 0.1,< 0.005,,< 0.01,< 0.005,1.97,0.7,0.123,0.012,10
S98_02799,RIP0103,04/22/98,23.73,90.339,1996,STW,44,Dhaka,Dhaka,Keraniganj,Sakta,Ati,3263860057,12,< 0.05,0.04,0.031,4.59,< 0.5,< 0.05,2,< 0.01,0.01,< 0.006,< 0.01,< 0.005,0.007,2.2,< 0.005,1.1,< 0.01,5.9,0.09,< 0.005,0.4,< 0.02,< 0.01,< 0.1,< 0.005,,< 0.01,< 0.005,1.11,1.6,0.055,0.01,10
S98_02800,RIP0104,04/22/98,23.73,90.317,1997,STW,76,Dhaka,Dhaka,Keraniganj,Taranagar,Baramandharia,3263877131,14,< 0.05,< 0.02,0.032,3.13,< 0.5,< 0.05,5,0.01,< 0.01,< 0.006,< 0.01,< 0.005,0.016,2.4,< 0.005,2.8,0.01,10.4,0.33,< 0.005,2.3,0.03,< 0.01,< 0.1,< 0.005,,< 0.01,< 0.005,1.44,4.2,0.073,0.016,16
S98_03040,RIP0627,06/09/1998,23.545,90.499,1994,STW,53,Dhaka,Munshiganj,Munshiganj Sadar,Rampal,Gobindapur,3595685483,,< 0.05,0.12,0.144,9.3,0.6,< 0.05,8,< 0.01,< 0.01,< 0.006,0.01,< 0.005,0.085,22.3,< 0.005,0.4,0.08,11.4,10.8,0.017,1,0.13,0.02,0.3,< 0.005,,< 0.01,< 0.005,5.44,1.3,0.18,0.015,30
S98_03114,RIP1063,03/23/98,22.862,89.556,1995,STW,56,Khulna,Khulna,Dighalia,Senhati,Chandani mohal,4474085236,8,< 0.05,0.08,0.017,1.02,< 0.5,< 0.05,< 1,< 0.01,0.01,< 0.006,< 0.01,< 0.005,0.006,23.8,< 0.005,0.4,< 0.01,2.4,0.77,< 0.005,< 0.1,0.02,< 0.01,< 0.1,< 0.005,,< 0.01,< 0.005,11.6,2.1,0.116,0.01,3
S98_03249,RIP1220,04/04/1998,23.401,89.6,1997,STW,72,Khulna,Magura,Mohammadpur (M),Mohammadpur,Mohammadpur,4556652615,6,< 0.05,0.03,< 0.005,1.14,< 0.5,< 0.05,< 1,< 0.01,< 0.01,< 0.006,< 0.01,< 0.005,< 0.005,10.4,< 0.005,2.4,< 0.01,3.6,0.47,< 0.005,0.2,0.06,< 0.01,< 0.1,< 0.005,,< 0.01,< 0.005,0.29,0.5,0.044,< 0.008,4
S98_03308,RIP1289,04/01/1998,22.469,89.605,1995,STW,13,Khulna,Bagerhat,Mongla,Paurashava w03,Char salabunia,4015864408,,< 0.05,< 0.02,0.587,2.76,1.4,0.19,2,0.05,0.05,< 0.006,0.07,0.013,0.261,9.4,0.007,1,0.27,7.6,0.64,0.068,10.2,0.16,0.05,< 0.1,0.01,,< 0.01,< 0.005,2.63,2.1,0.32,0.029,83
S98_03311,RIP1292,04/02/1998,23.269,89.498,1997,STW,21,Khulna,Narail,Narail Sadar,Habakhali,Harighara,4657640475,4,< 0.05,< 0.02,0.01,1.19,< 0.5,< 0.05,< 1,< 0.01,< 0.01,< 0.006,< 0.01,< 0.005,< 0.005,3.1,< 0.005,1.8,< 0.01,3.3,0.1,< 0.005,0.4,< 0.02,< 0.01,< 0.1,< 0.005,,< 0.01,< 0.005,2.1,2.4,0.086,< 0.008,9
S98_03312,RIP1295,04/04/1998,23.581,89.444,1977,STW,49,Khulna,Magura,Sreepur (M),Sabdalpur,Naohata,4559563683,4,< 0.05,0.07,0.018,1.41,< 0.5,< 0.05,5,< 0.01,< 0.01,< 0.006,< 0.01,< 0.005,0.009,2.3,< 0.005,2.3,< 0.01,2.5,0.48,< 0.005,0.4,0.03,< 0.01,< 0.1,< 0.005,,< 0.01,< 0.005,0.7,2.4,0.065,< 0.008,6
S98_03416,RIP1425,04/12/1998,23.24,89.097,1993,Tara,47,Khulna,Jessore,Chaugachha,Phulsara,Atra,4411177007,7,< 0.05,< 0.02,0.007,1.23,< 0.5,< 0.05,1,< 0.01,< 0.01,< 0.006,< 0.01,< 0.005,0.006,2,< 0.005,2.7,< 0.01,2.5,0.45,< 0.005,0.4,0.07,< 0.01,< 0.1,< 0.005,,< 0.01,< 0.005,0.34,2.4,0.037,< 0.008,40
S98_03440,RIP1452,04/16/98,23.794,88.905,1997,STW,45,Khulna,Chuadanga,Alamdanga,Hardi,Hardi,4180747447,27,< 0.05,0.06,0.04,0.95,< 0.5,< 0.05,< 1,< 0.01,< 0.01,< 0.006,< 0.01,< 0.005,0.02,2.4,< 0.005,2,0.03,3.1,0.58,< 0.005,1,0.03,< 0.01,< 0.1,< 0.005,,< 0.01,< 0.005,4.03,2.2,0.089,0.009,16
S98_03620,RIP1660,05/12/1998,23.099,90.483,1991,STW,30,Dhaka,Shariatpur,Gosairhat,Kodalpur,Uttar Kodalpur,3863647994,6,< 0.05,0.04,< 0.005,1,< 0.5,< 0.05,< 1,< 0.01,< 0.01,< 0.006,< 0.01,< 0.005,0.007,3.5,< 0.005,3.8,< 0.01,5.1,0.1,< 0.005,2,0.03,< 0.01,< 0.1,< 0.005,,< 0.01,< 0.005,3.68,< 0.2,0.018,< 0.008,4
S99_01545,"RIP7501, DW1",12/15/99,23.7497,90.3888,,DTW,200,Dhaka,Dhaka,Dhaka,,,3260,3,0.02,0.09,0.015,1.53,< 0.5,0.005,1,< 0.02,< 0.01,< 0.005,< 0.01,< 0.005,0.006,15.3,< 0.005,< 0.2,< 0.03,2.3,0.21,< 0.005,0.4,< 0.01,< 0.01,0.2,< 0.005,< 0.01,< 0.01,< 0.005,0.3,1.8,0.03,< 0.02,13
S99_01546,"RIP7502, DWASA01",12/15/99,23.726,90.3852,,DTW,200,Dhaka,Dhaka,Dhaka,,,3260,5,< 0.01,0.04,0.022,0.3,2.4,< 0.005,1,< 0.02,< 0.01,< 0.005,< 0.01,< 0.005,0.012,6,< 0.005,< 0.2,< 0.03,2.1,0.28,< 0.005,0.7,0.01,< 0.01,< 0.1,< 0.005,< 0.01,< 0.01,< 0.005,0.42,1.2,0.07,< 0.02,20
S99_01547,"RIP7503, DWASA02",12/15/99,23.7606,90.3637,,DTW,200,Dhaka,Dhaka,Dhaka,,,3260,23,0.01,0.06,0.02,0.17,0.7,< 0.005,< 1,< 0.02,< 0.01,< 0.005,< 0.01,< 0.005,0.013,5.8,< 0.005,< 0.2,< 0.03,0.9,0.37,< 0.005,0.5,0.02,< 0.01,< 0.1,< 0.005,< 0.01,< 0.01,< 0.005,0.16,1.5,0.02,< 0.02,5
S99_01548,"RIP7504, DWASA03",12/15/99,23.8017,90.3597,,DTW,200,Dhaka,Dhaka,Dhaka,,Mirpur,3260,5,0.05,0.03,0.007,0.2,8.6,0.005,2,< 0.02,< 0.01,< 0.005,< 0.01,< 0.005,< 0.005,9.9,< 0.005,< 0.2,< 0.03,1.1,0.23,< 0.005,0.6,0.06,< 0.01,< 0.1,< 0.005,< 0.01,< 0.01,< 0.005,0.02,1.1,0.01,< 0.02,97
S99_01549,"RIP7505, DWASA04",12/15/99,23.7985,90.4066,,DTW,200,Dhaka,Dhaka,Dhaka,,,3260,4,0.01,0.03,0.023,0.09,3.1,< 0.005,2,< 0.02,< 0.01,< 0.005,< 0.01,< 0.005,0.015,8.4,< 0.005,< 0.2,< 0.03,0.6,0.2,< 0.005,0.5,< 0.01,< 0.01,< 0.1,< 0.005,< 0.01,< 0.01,< 0.005,0.03,1.5,< 0.01,< 0.02,13
S99_01550,"RIP7506, DWASA05",12/15/99,23.7405,90.4072,,DTW,200,Dhaka,Dhaka,Dhaka,,,3260,4,0.03,0.02,0.008,0.21,3.2,< 0.005,1,< 0.02,< 0.01,< 0.005,< 0.01,< 0.005,0.006,9.4,< 0.005,< 0.2,< 0.03,1,0.17,< 0.005,0.5,0.01,< 0.01,0.3,< 0.005,< 0.01,< 0.01,< 0.005,0.04,1.3,< 0.01,< 0.02,6
S99_01551,"RIP7507, DWASA06",12/15/99,23.7149,90.4287,,DTW,200,Dhaka,Dhaka,Dhaka,,,3260,3,0.02,0.04,0.009,0.65,1,< 0.005,11,< 0.02,< 0.01,< 0.005,< 0.01,< 0.005,0.007,9.5,< 0.005,< 0.2,< 0.03,1.8,0.42,< 0.005,0.7,0.02,< 0.01,0.2,< 0.005,< 0.01,< 0.01,< 0.005,0.97,1.2,0.03,< 0.02,6