Sentence examples for presumptive tests from inspiring English sources

The "presumptive" tests, which cost about $1 each, were introduced into the field in April.

Elle Diniz, student, MSc forensic science, University of Strathclyde In the introduction, we did glass, paint, presumptive tests, fibres and some microscopy work.

Presumptive tests have been standard practice for decades at police departments across the country, including ones in Alameda, San Mateo and Santa Clara Counties.

A majority of the S.F.P.D.'s 850 officers have been trained by the Drug Enforcement Administration to perform the presumptive tests.

Whereas presumptive tests, such as reactive colour tests, may be used to generally indicate which type of substance is present (e.g., heroin or methamphetamines), chemists use gas chromatography/mass spectrometry to precisely determine the chemical composition of an unknown substance.

How successful presumptive testing proves to be at lowering the caseload may factor into their decision.

The District Attorney's Office said that prosecutors often ordered further testing to confirm results, but that suspects might accept plea agreements based only on presumptive testing.

With Chief Gascon continuing to make reforms, the San Francisco Police Department is counting on presumptive testing to be an important tool in its counter narcotics strategy.

Chief George Gascon shuttered the drug-analysis section of the lab and introduced presumptive testing in the hope that it would sharply reduce the number of cases sent out for lab work.

First presumptive test was then confirmed and the completed test was performed.

The Presumptive test was done to confirm the presence of lactose-fermenting gas-producing bacteria.