Occupational Safety and Health Administration OSHA

Alphabetic Index of Sampling and Analytical Methods - N

Substance CAS Number(s) Instrument Sampler
Naphthalene [35] Fully Validated 91-20-3 GC/FID Chromosorb 106
1,5-Naphthalene Diisocyanate [PV2046] Partially Validated 3173-72-6 HPLC/FL GFF coated with 12PP
1-Naphthylamine [93] Fully Validated 134-32-7 GC/ECD GFF coated with Sulfuric Acid
2-Naphthylamine [93] Fully Validated 91-59-8 GC/ECD GFF coated with Sulfuric Acid
Nickel [1006] Fully Validated 7440-02-0 ICP/MS Mixed cellulose ester filter (0.8 μg)
Nickel [ID-121] Fully Validated 7440-02-0 AA MCEF
Nickel [ID-125G] Fully Validated 7440-02-0 ICP MCEF
Nitric Acid [ID-165SG] Partially Validated  7697-37-2 IC Silica Gel
Nitric Oxide [ID-190] Fully Validated 10102-43-9 IC Molecular Sieve coated with Triethanolamine
Nitric Oxide [ID-190] Backup 10102-43-9    
4-Nitrodiphenyl [PV2082] Partially Validated 92-93-3 HPLC/UV
Nitrofurazone [PV2069] Partially Validated 59-87-0 HPLC/UV GFF
Nitrogen Dioxide [ID-182] Fully Validated 10102-44-0 IC Molecular Sieve coated with Triethanolamine
Nitrogen Dioxide [ID-182] Backup 10102-44-0    
Nitroglycerin [43] Fully Validated 55-63-0 HPLC/TEA Tenax
1-Nitropropane [46] Fully Validated 108-03-2 GC/FID XAD-4
2-Nitropropane [15] Fully Validated 79-46-9 GC/FID Chromosorb 106
2-Nitropropane [46] Fully Validated 79-46-9 GC/FID XAD-4
Nitrosodiamylamine [38] Fully Validated 13256-06-9 GC/TEA Thermosorb/N
N-Nitrosodi-n-Butylamine(NDBA) [27] Fully Validated 924-16-3 GC/TEA Thermosorb/N
N-Nitrosodiethanolamine (NDELA) [31] Fully Validated 1116-54-7 GC/TEA GFF
N-Nitrosodiethylamine [13] Fully Validated 55-18-5 GC/TEA Florisil coated with dl-alpha-Tocopherol
N-Nitrosodiethylamine (NDEA) [27] Fully Validated 55-18-5 GC/TEA Thermosorb/N
N-Nitrosodiisopropylamine [38] Fully Validated 601-77-4 GC/TEA Thermosorb/N
N-Nitrosodimethylamine (NDMA) [27] Fully Validated 62-75-9 GC/TEA Thermosorb/N
N-Nitrosodiphenylamine [23] Fully Validated 86-30-6 GC/TEA Bubbler with IPA
N-Nitrosodi-n-Propylamine (NDPA) [27] Fully Validated 621-64-7 GC/TEA Thermosorb/N
N-Nitrosoethyl-n-butylamine [38] Fully Validated 4549-44-4 GC/TEA Thermosorb/N
N-Nitrosomethyl-n-butylamine [38] Fully Validated 7068-83-9 GC/TEA Thermosorb/N
N-Nitrosomethylethylamine [38] Fully Validated 10595-95-6 GC/TEA Thermosorb/N
N-Nitrosomorpholine [27] Fully Validated 59-89-2 GC/TEA Thermosorb/N
N-Nitrosopiperidine (NPIP) [27] Fully Validated 100-75-4 GC/TEA Thermosorb/N
N-Nitroso-n-propyl-n-butylamine [38] Fully Validated 25413-64-3 GC/TEA Thermosorb/N
N-Nitrosopyrrolidine (NPYR) [27] Fully Validated 930-55-2 GC/TEA Thermosorb/N
Nitrous Oxide [ID-166] Fully Validated 10024-97-2 IR Landauer Diffusive Sampler
Norethindrone [PV2070] Partially Validated 58-22-4 HPLC/UV PVC
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