Test name	Service category	Key Test
Label Validation	Consumer Products Testing	Product/Process Validation
Laboratory Outsourcing	Consumer Products Testing	Other
Lactic Acid Bacteria Count (F123 / F230)	Food and Beverage Testing	Microbiology
Lactobacillus Confirmation (F124)	Food and Beverage Testing	Microbiology
Lactobacillus Species Count	Microbiology Laboratory	Other
Lake Water and Sediments	Asbestos Lab Services	Special Projects Lab
Langlier Index	Environmental Chemistry Lab Services	Wet Chemistry
Lanthanum-140	Radiological Testing	Other
Laser Inferferometry	Indoor Air Quality (IAQ) Lab Services	Other
Laser Interferometry	Materials Testing Lab	Particle Identification
LCMS	Materials Testing Lab	Other
Lead	Food and Beverage Testing	Chemistry
Lead (Pb)	Home Owner Services
Lead (Pb)	Consumer Products Testing	Other
Lead in Suspended Particulate Matter (C-TSP Metals by ICP-MS)	Lead and Metals Lab Services	ICP
Lead Sulfide (Oxides) by NIOSH 7505	Materials Testing Lab	Other
Lead-212	Radiological Testing	Other
Lead-214	Radiological Testing	Other
Legionella (M162 / M103 / M104 / M101 / M164)	DNA and PCR Testing Laboratory	Other
Legionella 1	Legionella Testing Lab Services	Legionella
Legionella 4	Legionella Testing Lab Services	Legionella
Legionella Detection (M210/M211/M212/M213/M214/M215/M162/M103/M104/M102/M101)	DNA and PCR Testing Laboratory	Legionella
Legionella pneumophila (M346)	Legionella Testing Lab Services	Legionella
Leptospira (M262)	DNA and PCR Testing Laboratory	Bacteria
Level 1 - Presumptive Legionella Detection (M210)	Microbiology Laboratory	Legionella
Level 2 - Identification, Enumeration, and individual serotyping (M211)	Microbiology Laboratory	Legionella
Level 3 - Identification and Enumeration (M212)	Microbiology Laboratory	Legionella
Level 4	Microbiology Laboratory	Legionella
Libby Amphibole in Vermiculite and Other Sources	Asbestos Lab Services	TEM Asbestos
Limonene by NIOSH 1552	Industrial Hygiene (IH) Lab Services	Other
Listeria (Presence/Absence) (F107/F236/F235/F193/F187/F234/F159/F237/F723/F229/F188)	Food and Beverage Testing	Microbiology
Listeria monocytogenes (F159 / F237 / F723 / F229 / F188)	Food and Beverage Testing	Microbiology
Listeria monocytogenes (M715 / M716)	Microbiology Laboratory	Healthcare Pathogens (HAIs)
Lithium (Li)	Lead and Metals Lab Services
Litigation Support	Materials Testing Lab	Other
Litigation Support	Asbestos Lab Services	Special Projects Lab
Load Testing	Materials Testing Lab	Mechanical and Physical
Lupine (F034)	Food and Beverage Testing	Allergens
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