Method for prevention of specimen tampering in substance abuse t

Details Method for prevention of specimen tampering in substance abuse t Method for prevention of specimen tampering in substance abuse t

1989-08-31

1991-08-13

Hill, Jr., Robert J.

Chemistry: analytical and immunological testing

Tracers or tags

4661, 52 33, 52 34, 128749, 128 34, 358108, 422 61, 436174, 436180, 436901, G01N 3394, G01N 3700

Patent

active

050396161

ABSTRACT:
This invention provides a method and a test area to prevent tampering in the collection of specimens for substance abuse testing from a subject utilizing a specimen collection container. More particularly, the present invention prevents the substitution of the subject by another person and prevents the subject from introducing a previously obtained and concealed false specimen while minimizing intrusion on the subject's privacy.

REFERENCES:
patent: 4223004 (1980-09-01), Hsia et al.
patent: 4769215 (1988-09-01), Ehrenkranz

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