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Naegleria fowleri (M197) |
DNA and PCR Testing Laboratory |
Other |
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Naphthalene by NIOSH 1501 / NIOSH 5506 |
Industrial Hygiene (IH) Lab Services |
Other |
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Naturally Occurring Asbestos (NOA) - Community Air Monitoring Projects |
Asbestos Lab Services |
Environmental Monitoring |
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n-Butyl acetate by NIOSH 1450 |
Industrial Hygiene (IH) Lab Services |
Other |
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n-Butyl alcohol (n-Butanol) by NIOSH 1401 |
Industrial Hygiene (IH) Lab Services |
Other |
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Nevada DOT NOA/ Erionite Analysis |
Asbestos Lab Services |
Erionite |
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New Rug Odor (4-Phenylcyclohexene or 4-PC or 4-PCH) by CSI Method |
Industrial Hygiene (IH) Lab Services |
Other |
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n-Hexane by NIOSH 1500 |
Industrial Hygiene (IH) Lab Services |
Other |
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Nickel (Ni) |
Lead and Metals Lab Services |
|
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Nicotine (Bulk or Wipe) by NIOSH 2551M |
Industrial Hygiene (IH) Lab Services |
Other |
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Nicotine by NIOSH 2551M |
Industrial Hygiene (IH) Lab Services |
Other |
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NIOSH 0500 (Nuisance Dust, Total) Air Type |
Industrial Hygiene (IH) Lab Services |
Other |
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NIOSH 0600 (Nuisance Dust, Respirable) Air Type |
Industrial Hygiene (IH) Lab Services |
Other |
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NIOSH 5000 (Gravimetric analysis only for Carbon Black) |
Materials Testing Lab |
Fire Investigation |
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NIOSH 5000 (Includes TEM Confirmation) |
Materials Testing Lab |
Fire Investigation |
|
NIOSH 9002 |
Indoor Air Quality (IAQ) Lab Services |
Other |
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Nitrate as N |
Environmental Chemistry Lab Services |
Wet Chemistry |
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Nitric Acid by NIOSH 7903 |
Industrial Hygiene (IH) Lab Services |
Other |
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Nitrifying Bacteria (N) (M127) |
Microbiology Laboratory |
Aquatic Microbiology |
|
Nitrite as N |
Environmental Chemistry Lab Services |
Wet Chemistry |
|
Nitrogen - Ammonia |
Environmental Chemistry Lab Services |
Wet Chemistry |
|
Nitrogen - Nitrate |
Environmental Chemistry Lab Services |
Other |
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Nitrogen - Nitrate / Nitrite |
Environmental Chemistry Lab Services |
Other |
|
Nitrogen - Organic |
Environmental Chemistry Lab Services |
Wet Chemistry |
|
Nitrogen - Total Kjeldahl (TKN) |
Environmental Chemistry Lab Services |
Wet Chemistry |
|
Nitrogen Dioxide (NO2) by OSHA ID-182 |
Industrial Hygiene (IH) Lab Services |
Other |
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Nitrogen Dioxide/Nitrogen Oxide (NOX) by NIOSH 6014/OSHA ID 182 |
Industrial Hygiene (IH) Lab Services |
Other |
|
NJID 27 (WASTE CHARACTERIZATION) |
Environmental Chemistry Lab Services |
Other |
|
NMR |
Materials Testing Lab |
Other |
|
n-Octane by NIOSH 1500 |
Industrial Hygiene (IH) Lab Services |
Other |
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Non Asbestos Respirable Fibers (NARF's) |
Materials Testing Lab |
Other |
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Non-Volatile Extraction |
Environmental Chemistry Lab Services |
Other |
|
Noodles too soft |
Materials Testing Lab |
Other |
|
n-Propyl Acetate by NIOSH 1450 |
Industrial Hygiene (IH) Lab Services |
Other |
|
n-Propyl Alcohol (n-Propanol) by NIOSH 1401 |
Industrial Hygiene (IH) Lab Services |
Other |
|
Nuisance Dust and PM-10 / TSP |
Indoor Air Quality (IAQ) Lab Services |
Other |
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Nutritional – Dairy/Processed Meat (F643) |
Food and Beverage Testing |
Chemistry |
|
Nutritional – Database (F217) |
Food and Beverage Testing |
Chemistry |
|
Nutritional – Fresh Meat/Fish (F644) |
Food and Beverage Testing |
Chemistry |
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Nutritional – Mandatory (F641) |
Food and Beverage Testing |
Chemistry |
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Nutritional – Pet Food (F625) |
Food and Beverage Testing |
Chemistry |
|
Nutritional – Vegetable/Fruit (F642) |
Food and Beverage Testing |
Chemistry |
|
Nutritional Labeling |
Consumer Products Testing |
Other |
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NY ELAP Method 198.1 |
Asbestos Lab Services |
Asbestos in Bulk (Building Materials) |
|
NY ELAP Method 198.1 |
Indoor Air Quality (IAQ) Lab Services |
Other |
|
NY ELAP Method 198.4 (TEM with Gravimetric Prep) |
Indoor Air Quality (IAQ) Lab Services |
Other |
|
NY ELAP Method 198.4 (TEM with Gravimetric Prep) |
Asbestos Lab Services |
TEM Asbestos |
|
NY ELAP Method 198.6 (PLM with Gravimetric Prep) |
Asbestos Lab Services |
PLM Asbestos |
|
NY ELAP Method 198.6 (PLM with Gravimetric Prep) |
Indoor Air Quality (IAQ) Lab Services |
Other |
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