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Hair is a reservoir matrix and can provide a significant amount of historical data for drug and alcohol use/abuse. On average, hair grows at a rate of ~0.5 inches/month and 1.5 inches is tested by the lab to represent an approximate window of the past 90 days. Collecting samples Head hair is the most ideal […]

What is a cut-off level? A cut-off level in drug and alcohol testing is the level at which the concentration of a substance in a sample indicates a safety risk. So if a sample tests below the cut-off level, the test has a negative result. If a sample is equal to or above the cut-off, […]

There are many factors… After cannabis use, the amount of time that the drug remains in an individual’s body varies. Within a few hours of cannabis consumption, metabolites can be detected in a person’s urine. The presence of cannabis metabolites can continue to be detected up to a few days after a single dose of […]

Workplace Testing Solutions Breath alcohol is the most commonly used practice for occupational alcohol testing. Breath alcohol meters measure the amount of alcohol present in the breath to accurately estimate blood alcohol concentration using an established ratio of how much alcohol the lungs absorb from the blood.   Click here for more information: https://lnkd.in/gKd_pJqw Book Appointment […]

Part 16 of the Occupational Health and Safety (OHS) Code According to the OHS code, “excess noise” was previously defined as “noise that exceeds 85 dBA Lex and the exposure limits listed in Schedule 3, Table 1”; as of Dec 2022, that number has been lowered to 82 dBA Lex. (dBA Lex is the averaged […]

TESTING PEth Phosphatidylethanol (PEth) is a direct alcohol biomarker.  Peth in blood exists as a component of the red blood cell membrane and is an alcohol-specific biomarker, meaning that it is created only in the presence of ethanol.  Significant PEth levels can be detected up to approximately 2-4 weeks after alcohol ingestion.  The stability of […]

What do professionals who use fingernail testing for drugs and alcohol know that you don’t? Fingernail, made of keratin like hair, is emerging as a popular specimen type for drug and alcohol testing.  It is simple to collect, easy to ship and store, and is at the cutting edge of drug and alcohol testing.   Drug […]

Some of the most frequently asked questions are related to the types of tests and what they are used for.   1. Urine drug testing Urine drug testing is most commonly performed for occupational purposes (i.e. pre-employment or pre-access) but can be used for personal testing reasons.  The two types of urine testing are POCT/express or […]

As a rule of thumb for alcohol testing, think 3/3/3 – three days, three weeks, three months – to determine which test and which window of detection, meets your needs. Nail & Hair 3 MONTHS Indicates multiple occurrences of high alcohol consumption within an average of 3 months of collection Blood 3 WEEKS Indicates high […]