Analysis of Physical Agents Based on the American Conference of Governmental Industrial Hygienists (ACGIH®) TLVs®

The following are analysis methods that have been developed for discussion, training and job analysis purposes. The workbooks have been prepared using Excel® .  (In spite of my best efforts, there may be some format adjustments to provide frustration to users.)  Most of the workbooks contain macros which must be enabled.  It is up to you to trust the source. In addition, manual methods are supplied for a couple of the TLVs.

The files are intended only for the individual who downloads them. They are copyrighted. I would appreciate an email to let me know about it.

Besides outright computational errors (no warranty), there may be some things strange to you.  The workbooks represent my interpretation of the TLVs and some additions and themes that I use in instructional activities.  There are comments in many locations to facilitate use, but you are largely on your own.  The worksheets are protected to keep users in the right locations, but some can be unprotected without a password.

These packages do not stand alone. The user is advised to read the documentation on the TLVs and to take advantage of other support materials. Documentation is available from the ACGIH (and members can download five per year at no charge).

Comments and Suggestions Are Welcome

There have been updates to the Physical Agents TLVs®. The downloads will be reviewed and updated eventually. In the meantime, use with caution.

Agents and Some Features	Download (revision date)
Heat Stress See the Occupational Heat Stress page for analysis methods based on WBGT Thresholds and Recovery Times      Clothing Factors      Estimation of WBGT Estimation of Metabolic Rate (3 methods) *	Heat Stress Website
Noise - TLV® and PEL A-Scale, Dose Lp and Intensity Methods Performance of hearing protectors based on vendor data using the NIOSH long method.	Noise v2.2 (3/28/05) Hearing Protectors v1.0 (8/6/01)
Radiofrequency and Microwave Radiation TLVs, Multiple Bands with Time, Pulsed	RF/MW v2.5 (3/26/05)
Optical Radiation Visible and Infrared Ultraviolet Three Methods       Meter with Filter       Meter without Filter but Knowledge of Relative Intensity       Spectral Power Distribution	Opt Rad (withdrawn) Substantial changes have been made and a new package is not availalbe.
Vibration * Hand-Arm Whole Body Criterion Based Time Limits	HAV Analysis Package v 3.0 (2/15/07) WBV Analysis Package v 3.0 (3/20/05)
Hand Activity Level * Multiple Elements Multiple Methods for HAL and NPF (some not in TLV®) Stand alone rating of perceived excertion scale provided for reference	HAL v1.2 (4/20/00) Manual Method v1.5 (12/29/06) RPE Scale (12/29/06)
Lifting * Manual Method for Manual Materials Handling	Lifting v 1.1 (12/29/06)

* These are also provided in the Ergonomics Analysis Tools