SKC OSHA / NIOSH Sampling Guide for Naphthylene diisocyanate (NDI) (isocyanates)

SKC OSHA / NIOSH Sampling Guide for Naphthylene diisocyanate (NDI) (isocyanates)
Chemical Information
Naphthylene diisocyanate (NDI) (isocyanates)
3173-72-6
HPLC-ELCHM & HPLC-UV
0.1 µg diisocyanate/sample
Sampling Parameters

TWA 40 µg/m3
C/STEL 70 µg/m3

5 @35ugTDI/m3 - 500 L
10 L

1000 ml/min
1000 ml/min

varies
10 min

SKC Sampling Equipment

Impinger:
  1. Midget Impinger, Glass, 25 ml, Standard Nozzle
    Part Number: 225-36-1
    $133.00 /EA
    Glass Midget Impinger, 25 ml, with standard nozzle
Impinger Trap:
  1. Impinger Trap, Glass, Each
    Part Number: 225-22
    $82.00 /EA
    Glass Trap for Glass Midget Impingers, for area sampling, can be used with or without sorbent.
Pumps:
  1. AirChek TOUCH Pump
    Part Number: 220-5000TC
    $1,208.00 /EA
    AirChek® 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.