RESUMEN
Eighty male (32.4 + 7.1 years, 59.3 + 8.9 kg) and 17 females (32.5 + 6.5 years, 56.7 + 11.9 kg) from a battary factory were investigated. From personel history taking and physical examination it was found that the workers showed no signs of physical abnormalities. Laboratory results that were found to be abnormal are as follows (number of cases) : glucose 2, creatinine 1, uric acid 12, triglycerides 14, cholesterol 13, SGOT 2, SGPT 2, y-glutamyl transferase 21, calcium (high) 2, Calcium (low) 25 inorganic phosphate (high) 5, 6, inorganic phosphate (low) 8, ESR 30, haemoglobin (high) 2, haemoglobin (low) 7, haematocrit (high) 5, haematocrit (low) 1, white blood cell count (low) 7, eosinophil 19, monocyte 2, basophillic stippling 8. Abnormality in urinalysis found are : albumin 11, sugar 1, white cell 2, coproporphyrin (+ ve) 23 and ๐-aminolevulinic acid (urine) 30, ๐-aminolevulinic dehydratase (red cell) 16, and hepatitis B antigen positive 7 the results of such investigation can be of help to factory administrators in setting up preventive measure for maintenance of optimal health of workers.