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Evergreen rally seeks open dialogue, safety 2:05

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  • Take a tour of the Quest Diagnostics laboratory in west Olympia

    Drug testing companies, including Quest Diagnostics, use urine tests that seek evidence of past marijuana use — carboxy THC.

Drug testing companies, including Quest Diagnostics, use urine tests that seek evidence of past marijuana use — carboxy THC. Tony Overman toverman@theolympian.com
Drug testing companies, including Quest Diagnostics, use urine tests that seek evidence of past marijuana use — carboxy THC. Tony Overman toverman@theolympian.com

Testing for marijuana raises medical, legal questions

October 22, 2016 11:00 AM

UPDATED October 22, 2016 08:10 PM

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What the city's doing to make downtown Olympia parking easier 2:19

What the city's doing to make downtown Olympia parking easier

Gregg Bell on the injuries and decisions that led to Seahawks' loss to Atlanta 7:20

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Cheeky preflight routine draws laughs from passengers 1:51

Cheeky preflight routine draws laughs from passengers

Seahawks and Falcons on Monday Night Football 1:13

Seahawks and Falcons on Monday Night Football

Evergreen rally seeks open dialogue, safety 2:05

Evergreen rally seeks open dialogue, safety

Olympia police quickly apprehend US Bank robbery suspect 0:29

Olympia police quickly apprehend US Bank robbery suspect

Climbing atop the Tacoma Dome to fly the Garth flag 1:17

Climbing atop the Tacoma Dome to fly the Garth flag

'Spread the love,' not politics at the Thanksgiving table 1:49

'Spread the love,' not politics at the Thanksgiving table

A lighthearted look at Black Friday madness 1:57

A lighthearted look at Black Friday madness

Pete Carroll: Russell Wilsons 'huge impact,' his decisions late in Seahawks' loss 2:19

Pete Carroll: Russell Wilsons "huge impact," his decisions late in Seahawks' loss

  • Take a tour of the Quest Diagnostics laboratory in west Olympia

    Drug testing companies, including Quest Diagnostics, use urine tests that seek evidence of past marijuana use — carboxy THC.