Page 1 of 1
DC OFFICE OF THE CHIEF MEDICAL EXAMINER
DSX DRUGS OF ABUSE SCREENING
QC Lot Number
Positive Urine Control
Instrument: DSX #2
Extraction Type: N/A
Instrument Method Name: N
How Much Gas Does Your Favorite Beverage
Key Terms: gas; phases of matter
Which beverages release the most gas?
How does the gas released by beverages affect your stomach?
TERT-BUTYL METHYL ETHER
Methyl ethyl ketone
Section 14: Transport Information DOT Classification: CLASS 3: Flammable liquid. Identification: : Ethyl
methyl ketone UNNA: 1193 PG: II Special Provisions for Transport: Not available.
The Exploding Lunch Bag
Baking soda, a pure chemical called sodium bicarbonate, has the chemical formula:
When dissolved in water baking soda separates into sodium (Na+) and bicarbonate ions (HCO3 ):
NaHCO3 -> Na+(aq) + HCO3-(aq)
Vinegar, a weak (5
Oobleck Science: Solid or Liquid?
Did you know that matter is malleable? From icing snow to help it melt to boiling an egg, people change
matter every day without even realizing it. When matter undergoes a chemical change, it cant be
changed back to its o
Numb Positiv Positiv
Cases Panel tics
Receiv Result Result
ed s (YTD) s (YTD)
Positive Case Demograph
There is no blood ELISA testing available on the market. All ELISA screenings are confirmed by LCMS/MS, so the urine ELISA is confirmed with LC-MS/MS.
SYNTHETIC CANNABINOIDS TESTING IN BLOOD