This method is for the determination of organonitrogen (ON) pesticides from workplace air samples. The sample is collected on an OVS-2 tube which has a 13mm quartz filter and XAD-2 sorbent section. After collection, the sample is desorbed with 2mL of 0.2% v/v 0.1M aqueous triethylamine phosphate buffer in acetonitrile and analyzed by HPLC with a UV detector. The method may be applicable to the determination of other organonitrogen compounds after evaluation, and to a broad range of pesticides having UV chromophores, e.g., acetanilides, acid herbicides, organophosphates, phenols, pyrethroids, sulfonyl ureas, sulfonamides, triazines, and uracil pesticides. Confirmation techniques are recommended when the analyte identity is uncertain due to interferences. NOTE: This method may be used to replace previous related pesticide methods: S273 Carbaryl, NIOSH 5006 Carbaryl, OSHA 63 Carbaryl and 74 Aldicarb, OSHA Stopgap methods for several pesticides, and EPA TO-10 for captan, Folpet, and Mexacarbate.
No Obligation Quotation for Analytical Services
If you would like us to provide a quote for laboratory analysis, just provide us with as much information as you can about your project (the more, the better) and we'll provide you a quote via email. As you are searching or browsing our Analytical Guide, you'll see the Request-A-Quote icon... just click on it to start the request process.
| Hold Times, Preservatives, Preps, Collection, Analytical & Documentation | |
|---|---|
| Holding Time: | The method states samples are stable for at least 30 days if kept at -12°C or at least 7 days if kept at 24°C. |
| Preservatives: | Keep samples at -12°C or 24°C. |
| Required Preps: | Quartz fiber filter and XAD-2 tube (SKC 226-30-16) |
| Collection Method: | The method recommends a 0.1 to 1 L/min. flow rate. The sample collection volume varies per analyte. Consult Table 2 of the method. |
| Analytical Methodology: | HPLC/UC |
| Documentation: | 
5601
|
| Analyte | Formula | CAS Number | Detection Limit | |
|---|---|---|---|---|
| Chlorpropham | C10H12ClNO2 |
101-21-3 |
0.6 |
μg |
| Propoxur (Baygon) | C11H15NO3 |
114-26-1 |
0.6 |
μg |
| Aldicarb (Temic) | C7H14N2O2S |
116-06-3 |
1.2 |
μg |
| Propham | C10H13NO2 |
122-42-9 |
0.8 |
μg |
| Captan | C9H8Cl3NO2S |
133-06-2 |
4.8 |
μg |
| Carbofuran | C12H15NO3 |
1563-66-2 |
0.6 |
μg |
| Methomyl (Lannate) | C6H12N2O3S |
16752-77-5 |
0.6 |
μg |
| Benomyl | C14H18N4O3 |
17804-35-2 |
0.6 |
μg |
| Methiocarb (Mesurol) | C11H15NO2S |
2032-65-7 |
0.6 |
μg |
| Oxamyl (Vydate) | C7H13N3O3S |
23135-22-0 |
0.6 |
μg |
| Benthiocarb | C12H16ClNOS |
28249-77-6 |
0.6 |
μg |
| Diuron | C9H10Cl2N2O |
330-54-1 |
0.6 |
μg |
| Carbaryl (Sevin) | C12H11NO2 |
63-25-2 |
0.06 |
μg |
| Carbendazim | C9H9N3O2 |
10605-21-7 |
0.6 |
μg |
| Formetanate | C11H16ClN3O2 |
23422-53-9 |
0.6 |
μg |
* The analytes and detection limits listed for each method represent the typical detection limits and analytes reported for that particular method. Keep in mind that analyte lists may vary from laboratory to laboratory. Detection limits may also vary from lab to lab and are dependent upon the sample size, matrix, and any interferences that may be present in the sample.