Test name	Service category	Key Test
Magnesium (Mg)	Environmental Chemistry Lab Services	Other
Manganese (Mn)	Environmental Chemistry Lab Services	Other
Manufacturing Defects	Consumer Products Testing, USP, and Toy Testing	Other
Materials Characterization	Consumer Products Testing, USP, and Toy Testing	Other
Materials Characterization	Materials Testing Lab	Other
Materials Identification (MID)	Materials Testing Lab	Other
Maximum Rate of Pressure Rise (MPR) - ASTM E1226	Fire Investigation Testing	Other
MBAS (Surfactants)	Environmental Chemistry Lab Services	Other
m-Dichlorobenzene (1,3-isomer) by NIOSH 1003	Industrial Hygiene (IH) Lab Services	Other
Mechanical Testing	Materials Testing Lab	Other
Mechanical Testing	Consumer Products Testing, USP, and Toy Testing	Other
Melamine	Food & Beverage Testing	Other
Melting Point	Mechanical and Physical Testing	Other
Mercury (Hg)	Environmental Chemistry Lab Services	Other
Metallurgical Testing	Materials Testing Lab	Other
Metals	Food & Beverage Testing	Other
METALS	Environmental Chemistry Lab Services	Other
Metals	Consumer Products Testing, USP, and Toy Testing	Other
Metals / Alloy Identification	Mechanical and Physical Testing	Other
Metals, RCRA 8 by NIOSH 7300	Industrial Hygiene (IH) Lab Services	Other
Metals, solder fumes by NIOSH 7300	Industrial Hygiene (IH) Lab Services	Other
Metals, TAL list by NIOSH 7300	Industrial Hygiene (IH) Lab Services	Other
Metals, welding by OSHA ID125/NIOSH 7300	Industrial Hygiene (IH) Lab Services	Other
Methane by modified ASTM D1946	Industrial Hygiene (IH) Lab Services	Other
Methane by TO-3	VOCs and Odor Testing (EPA TO-15)	Other
Methanol by NIOSH 2000	Industrial Hygiene (IH) Lab Services	Other
Method Development	Consumer Products Testing, USP, and Toy Testing	Other
Method Validation	Consumer Products Testing, USP, and Toy Testing	Other
Methyl cyclohexane by NIOSH 1500	Industrial Hygiene (IH) Lab Services	Other
Methyl ethyl ketone (MEK or 2-butanone) by NIOSH 2500	Industrial Hygiene (IH) Lab Services	Other
Methyl isoamyl acetate (hexyl acetate) by NIOSH 1450	Industrial Hygiene (IH) Lab Services	Other
Methyl isobutyl ketone (MIBK or 4-methyl-2-pentanone) by NIOSH 1300	Industrial Hygiene (IH) Lab Services	Other
Methyl propyl ketone (2-pentanone) by NIOSH 1300	Industrial Hygiene (IH) Lab Services	Other
Methyl tert-butyl ether (MTBE) by NIOSH 1615	Industrial Hygiene (IH) Lab Services	Other
Methylene chloride (dichloromethane) by NIOSH 1005	Industrial Hygiene (IH) Lab Services	Other
Microbial Content	Consumer Products Testing, USP, and Toy Testing	Other
Microbial Isolation	Consumer Products Testing, USP, and Toy Testing	Other
Microbiological Analysis	Consumer Products Testing, USP, and Toy Testing	Other
Microscopic Exam (Extraneous Material)	Food & Beverage Testing	Other
Minimum Explosive Concentration (MEC) - ASTM E1515	Fire Investigation Testing	Other
Minimum Ignition Energy (MIE) - ASTM E2019	Fire Investigation Testing	Other
Minimum Ignition Temperature (MIT) - ASTM E1491	Fire Investigation Testing	Other
Modulus Testing	Mechanical and Physical Testing	Other
Moisture	Food & Beverage Testing	Other
Moisture (%)	Environmental Chemistry Lab Services	Other
Mold Testing	Homeowner Services	Other
Mustard	Food & Beverage Testing	Other
m-Xylene by NIOSH 1501	Industrial Hygiene (IH) Lab Services	Other
Mycotoxins	Food & Beverage Testing	Other
Mycotoxins by HPLC/UV	Microbiology Laboratory	Other
Mycotoxins by Solution Fluorimetry	Microbiology Laboratory	Other
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