Naphthalene by NIOSH 1501 / NIOSH 5506 |
Industrial Hygiene (IH) Lab Services |
Other |
Natural Rubber Latex (NRL) Allergen Testing |
Consumer Products Testing |
Other |
n-Butyl acetate by NIOSH 1450 |
Industrial Hygiene (IH) Lab Services |
Other |
n-Butyl alcohol (n-Butanol) by NIOSH 1401 |
Industrial Hygiene (IH) Lab Services |
Other |
New Rug Odor (4-Phenylcyclohexene or 4-PC or 4-PCH) by CSI Method |
Industrial Hygiene (IH) Lab Services |
Other |
n-Hexane by NIOSH 1500 |
Industrial Hygiene (IH) Lab Services |
Other |
Nickel (Ni) |
Environmental Chemistry Lab Services |
Metals |
Nicotine (Bulk or Wipe) by NIOSH 2551M |
Industrial Hygiene (IH) Lab Services |
Other |
Nicotine by NIOSH 2551M |
Industrial Hygiene (IH) Lab Services |
Other |
NIOSH 0500 (Nuisance Dust, Total) Air Type |
Industrial Hygiene (IH) Lab Services |
Other |
NIOSH 0600 (Nuisance Dust, Respirable) Air Type |
Industrial Hygiene (IH) Lab Services |
Other |
NIOSH 5000 (Gravimetric analysis only for Carbon Black) |
Materials Testing Lab |
Fire Investigation |
NIOSH 5000 (Includes TEM Confirmation) |
Materials Testing Lab |
Fire Investigation |
NIOSH 9002 |
Indoor Air Quality (IAQ) Lab Services |
Other |
Nitrate as N |
Environmental Chemistry Lab Services |
Other |
Nitric Acid by NIOSH 7903 |
Industrial Hygiene (IH) Lab Services |
Other |
Nitrifying Bacteria (N) |
Microbiology Laboratory |
Aquatic Microbiology |
Nitrite as N |
Environmental Chemistry Lab Services |
Other |
Nitrogen - Ammonia |
Environmental Chemistry Lab Services |
Other |
Nitrogen - Nitrate |
Environmental Chemistry Lab Services |
Other |
Nitrogen - Nitrate / Nitrite |
Environmental Chemistry Lab Services |
Other |
Nitrogen - Organic |
Environmental Chemistry Lab Services |
Other |
Nitrogen - Total Kjeldahl (TKN) |
Environmental Chemistry Lab Services |
Other |
Nitrogen Dioxide (NO2) by OSHA ID-182 |
Industrial Hygiene (IH) Lab Services |
Other |
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 |
Polymers, Plastics, Paints and Coatings |
n-Octane by NIOSH 1500 |
Industrial Hygiene (IH) Lab Services |
Other |
Non Asbestos Respirable Fibers (NARF's) |
Asbestos Lab Services |
Other |
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 |
Nutritional Labeling |
Consumer Products Testing |
Other |
NY ELAP Method 198.1 |
Asbestos Lab Services |
PLM Asbestos |
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 |
NYC 31-E-10 Sec. 3.4.9 Water Resistance |
Materials Testing Lab - Polymers, Plastics, Paints and Coatings Testing |
Polymers, Plastics, Paints and Coatings |
NYC 31-P-95 Sec. 5.2 Boiling Water Resistance |
Materials Testing Lab - Polymers, Plastics, Paints and Coatings Testing |
Polymers, Plastics, Paints and Coatings |
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