Ganga-Meghna Brahmaputra || West Bengal || Bangladesh || Middle Ganga Plain, Bihar || Uttarpradesh
Jharkhand || North-East Hilly States || Rajnandgaon, Chattisgarh || Behala, Kolkata, WB || As toxicity- Homeopathic Treatment
Effectiveness & Reliability - As Field Testing Kits || Utility Of Treatment Plant
Causes, Effects & Remedies - Groundwater As Calamity || References

Arsenic Poisoning in Bihar : Environmental Health

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Table 3

Arsenic Concentrations in Biological Samples of Patients and Non- patients in Semria Ojha Patti Village, Bhojpur, Bihar

Parameters Arsenic in urinea Arsenic in hairb Arsenic in nailc
(µg/ L) (µg/ kg) (µg/ kg)
No. of samples 51 59 38
Mean 798.6 2773.8 6976.9
Maximum 3696 12404 35790
Minimum 24 257 453
Median 387 1470 36015

aNormal urine arsenic ranges from 5– 40 µg/ d (1.5 L) (Farmer et al. 1990)
bNormal hair arsenic in hair ranges from 80– 250 µg/ kg with 1000 µg/ kg an index of toxicity (Arnold et al. 1990).
cNormal arsenic content in nails is 430– 1080 µg/ kg (Ioanid et al. 1961).

Table 4

Presenting Features, Incidence, Type and Severity of Arsenic- Induced Peripheral Neuropathy in Semria Ojha Patti Village

  Number of patients Percentage
Presenting features (n= 40)    
              Distal paresthesias 16 40
              Limb pains 5 12.5
              Hyperpathia/ allodynia 4 10
              Distal hypesthesias 14 35
              Calf tenderness 4 10
              Distal limb weakness/ atrophy 3 7.5
              Diminshed or absent tendon reflexes 5 12.5
              Tremor 3 7.5
              Abnormal sweating 2 5
Overall incidence of neuropathy (n= 40) 21 52.5
    Type of neuropathy (n= 21)    
             Sensory 18 45
             Sensorimotor 3 7.5
Severity of neuropathy (n= 21)    
             Mild 17 42.5
             Moderate 4 10

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