Test name	Service category	Key Test
Deformulation	Materials Testing Lab	Other
Deformulation/reverse engineering	Materials Testing Lab	Engineering Support
Degradation of Al Coating on an Optical Component	Materials Testing Lab	Polymers, Plastics, Paints and Coatings
Dehalococcoides (M273 / M274 / M275 / M276)	DNA and PCR Testing Laboratory	Other
Demagnetization curves (Br, Hci, Hc, Hk, BHmax)	Materials Testing Lab	Mechanical and Physical
Denitrifying Bacteria (DN) (M126)	Microbiology Laboratory	Aquatic Microbiology
Density	Environmental Chemistry Lab Services	Other
Density	Materials Testing Lab	Other
Density (F633 / F634)	Food and Beverage Testing	Chemistry
Desflurane (WAGs) by OSHA 103M (Tubes, Badge)	Industrial Hygiene (IH) Lab Services	Other
Detection of Clostridium botulinum Types A, B, E, and F Using the Polymerase Chain Reaction (PCR)	Microbiology Laboratory	Bacteria
Detection of Clostridium botulinum Types A, B, E, and F Using the Polymerase Chain Reaction (PCR)	DNA and PCR Testing Laboratory	Bacteria
Determination of THC in Wipes from Marijuana	Industrial Hygiene (IH) Lab Services	Other
Determination of the degree of oxidation in fine Mg powders	Materials Testing Lab	Other
Diacetone Alcohol by NIOSH 1402	Industrial Hygiene (IH) Lab Services	Other
Diazinon by NIOSH 5600M	Industrial Hygiene (IH) Lab Services	Other
Dichlorvos by NIOSH 5600M	Industrial Hygiene (IH) Lab Services	Other
Diesel Particulate Matter (DPM or elemental carbon) by NIOSH 5040	Industrial Hygiene (IH) Lab Services	Other
Dietary Fiber: Soluble, Insoluble, Total (F610)	Food and Beverage Testing	Chemistry
Dietary Fiber: Total (F207)	Food and Beverage Testing	Chemistry
Diethyl Ether (Ethyl Ether) by OSHA 07	Industrial Hygiene (IH) Lab Services	Other
Diethyl Ketone by NIOSH 1301	Industrial Hygiene (IH) Lab Services	Other
Diethylamine by OSHA 41	Industrial Hygiene (IH) Lab Services	Other
Diethylene Glycol	Consumer Products Testing	Other
Differential Scanning Calorimetry (DSC)	Materials Testing Lab	Mechanical and Physical
Differential Scanning Calorimetry (DSC) for % Crystallinity - D3418	Materials Testing Lab	Other
Differential Scanning Calorimetry (DSC) of Fluoropolymers - D4591	Materials Testing Lab	Other
Differential Scanning Calorimetry (DSC) of Polymers - D3418	Materials Testing Lab	Polymers, Plastics, Paints and Coatings
Differential Scanning Calorimetry (DSC) Sintering of Fluoropolymers - D4591	Materials Testing Lab	Other
Differential Scanning Calorimetry(DSC)/Thermo-gravimetric Analysis(TGA)	Materials Testing Lab	Other
Diisobutyl Ketone by NIOSH 1300	Industrial Hygiene (IH) Lab Services	Other
Dioxin Screen by GC/MS, Add-On for BNA 625.1	Environmental Chemistry Lab Services	Organics
Dipropyl Ketone (4-heptanone) by NIOSH 1300	Industrial Hygiene (IH) Lab Services	Other
Direct Examination (Tape Lift, Bio-Tape, Bulk, or Swab) (M041)	Microbiology Laboratory	Mold and Fungi
Dissolved Oxygen	Environmental Chemistry Lab Services	Wet Chemistry
Drinking Water	Lead and Metals Lab Services	ICP
Drop impact resistance	Materials Testing Lab	Other
DSC - Differential Scanning Calorimetry for transition temperatures & crystalinity	Materials Testing Lab	Other
Durometer Hardness - D2240	Materials Testing Lab	Other
Dursban (chlorpyrifos) by NIOSH 5600M	Industrial Hygiene (IH) Lab Services	Other
Dust Characterization	Industrial Hygiene (IH) Lab Services	Other
Dust Characterization and Analysis	Materials Testing Lab	Other
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