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Test name	Service category	Key Test
E. coli Detection by Colilert (Presence/Absence)	Microbiology Laboratory	Aquatic Microbiology
E. coli Detection by Membrane Filtration	Microbiology Laboratory	Aquatic Microbiology
E. coli O157:H7 (Presence / Absence)	Food and Beverage Testing	Food Microbiology
E. coli O157:H7 (Presence/Absence)	Microbiology Laboratory	Bacteria
E. coli Water Quality Assay	Microbiology Laboratory	Aquatic Microbiology
E1347 Color and Color-Difference Measurement by Tristimulus (filter) Colorimetry	Materials Testing Lab	Polymers, Plastics, Paints and Coatings
E313 Calculating Yellowness and Whiteness Indices from Instrumentally Measured Color Coordinates	Materials Testing Lab	Polymers, Plastics, Paints and Coatings
Effects of Heat, Humidity, and Solvents on products	Materials Testing Lab	Mechanical and Physical
Egg	Food and Beverage Testing	Food Allergens
Electron Microscopy Analysis	Materials Testing Lab	Other
Electronics Packaging Failure Analysis	Materials Testing Lab	Other
Elemental Analysis	Consumer Products Testing	Other
Elemental Carbon (Diesel Particulate Matter or DPM) by NIOSH 1402	Industrial Hygiene (IH) Lab Services	Other
Elemental Identification / Screening	Food and Beverage Testing	Other
Elemental Impurities Testing According to USP <232>/<233> & USP <2232>	Materials Testing Lab	Other
Elemental Impurities Testing According to USP <232>/<233> & USP <2232>	Pharmaceutical, Medical Devices, Biotechnology Testing	Other
Energy Dispersive X-rays (EDX)	Materials Testing Lab	Mechanical and Physical
Enterobacteriaceae	Food and Beverage Testing	Food Microbiology
Enterobacteriaceae	Microbiology Laboratory	Bacteria
Environmental Chamber Studies	Consumer Products Testing	Other
Environmental Chemistry	Consumer Products Testing	Other
Environmental Studies	Materials Testing Lab	Mechanical and Physical
EPA 402-R-92-004	Radiological Testing	Other
EPA 600/R-93/116 section 2.5.5.2 (TEM % by Mass)	Indoor Air Quality (IAQ) Lab Services	Other
EPA's Environmental Relative Moldiness Index (ERMI) 36 Panel	Microbiology Laboratory	Mold and Fungi
EPA's Environmental Relative Moldiness Index (ERMI) 36 Panel	DNA and PCR Testing Laboratory	ERMI
Erionite via SEM (Bulk, Soil, Rock, Air)	Asbestos Lab Services	Erionite
Erionite via TEM (Bulk, Soil, Rock, Air)	Asbestos Lab Services	Erionite
Erionite via XRD (Bulk, Soil, Rock, Air)	Asbestos Lab Services	Erionite
ERMI (Environmental Relative Moldiness Index) 36 Panel	Microbiology Laboratory	Mold and Fungi
Ethanol (Ethyl Alcohol) by NIOSH 1400	Industrial Hygiene (IH) Lab Services	Other
Ethanolamine by OSHA PV2111	Industrial Hygiene (IH) Lab Services	Other
Ethoxyquin	Food and Beverage Testing	Other
Ethyl Acetate by NIOSH 1457	Industrial Hygiene (IH) Lab Services	Other
Ethyl Benzene by NIOSH 1501M	Industrial Hygiene (IH) Lab Services	Other
Ethyl Butyl Ketone by NIOSH 1301	Industrial Hygiene (IH) Lab Services	Other
Ethylene Glycol by NIOSH 5523	Industrial Hygiene (IH) Lab Services	Other
Euclidean Distance Dendrogram Generation	Microbiology Laboratory	Other
Extractables	Materials Testing Lab	Polymers, Plastics, Paints and Coatings
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