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If nitrates are present in urine then the urine specimen is tempered. Although nitrite is not a normal component of urine, nitrite levels of up to 3.6mg/dl may be found in some urine specimens due to urinary tract infections, bacterial contamination or improper storage. In the TECO, nitrite level above 7.5mg/dl is considered abnormal. Glutaraldehyde: Glutaraldehyde is a chemical compound that is not found in urine…
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