SKC OSHA / NIOSH Sampling Guide for 2,4-Toluene diisocyanate
| Chemical Information | ||
Toluene diisocyanate 584-84-9 | HPLC-UV or HPLC-FD | 0.18 ppb |
| Sampling Parameters | |||
TWA | 15 L | 1000 ml/min | 15 min |
| Important Information OSHA 42 specifies a loading of 0.1 mg 1-(2-pyridyl) piperazine, however CF/CST 225-9002 and 225-9013 are also acceptable for this sampling method. 225-9002 loading of 1-(2-pyridyl) piperazine increased to 2 mg to increase stability and shelf life of |
SKC Sampling Equipment
Coated Filter Cassette, Glass Fiber coated w/1-(2-pyridyl)piperazine, w/Cellulose Support Pad, 37mm, 3-Piece Traditional Style Styrene Cassette, Banded, 10PkPart Number: 225-9002$119.00 /PKCoated Filters, Glass Fiber Filter with cellulose support, coated with 1-(2-pyridyl)piperazine, preloaded in a 37-mm cassette, for sampling diisocyanates/isocyanates (HDI; 2,6-TDI; 2,4-TDI), for sampling 4,4-methylene bis (phenyl isocyanate) (MDI).
Coated Filter Cassette, 1 Glass Fiber coated w/1-(2-pyridyl)Piperazine, w/Porous Polyethylene Support Pad, 37mm, 3-Piece Traditional Style Styrene Cassette, Banded, 10PkPart Number: 225-9013$132.00 /PKCoated Filters, 1 Glass fiber filter and cellulose support pad, coated with 1-(2-pyridyl)piperazine, preloaded in a 37-mm cassette, for sampling diisocyanates/isocyanates (HDI; 2,6-TDI; 2,4-TDI) – ASTM D5836 and D5932 for 2,4-TDI, 2,6-TDI only; for sampling 4,4-methylene bis (phenyl isocyanate) (MDI).
Filter Cassette HolderPart Number: 225-1$33.00 /EAFilter Cassette Holder, accommodates two or three-piece 25 or 37-mm cassettes with or without a cyclone, clips to a worker's collar; includes 3 feet of 1/4-inch ID Tygon tubing and 25-mm adapter ring.
AirChek TOUCH PumpPart Number: 220-5000TC$1,208.00 /EAAirChek® TOUCH AirChek Pump with Li-Ion battery pack and screwdriver set. Requires charging cradle and power supply. Connectivity to PC requires 877-93. Low flows from 5 to 500 ml/min require a low flow kit. AirChek TOUCH pumps contain Li-Ion batteries and are subject to special shipping regulations. AirChek TOUCH requires ¼-inch ID tubing.
This SKC Air Sampling Guide is a reference only to assist users in finding the method, sampling equipment, and sampling media for a specific compound. This publication is intended for general information only and should not be used as a substitute for reviewing applicable government regulations, equipment operating instructions, or legal standards. Users must consult the appropriate sampling method for the compound of interest before sampling. The sampling parameters shown here are suggestions based on the ranges or volume, flow, and time specified in the methods. It is the responsibility of the analyst performing the sampling and analysis steps to adjust the parameters so that the required detection limits can be obtained. The information contained in this document should not be construed as legal advice or opinion nor as a final authority on legal or regulatory procedures.
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