ACGIH establishes the Threshold Limit Values ( TLVs ) for chemical substances and physical agents and Biological Exposure Indices ( BEIs ).

Presently, 11 ACGIH committees focus their energies on a range of topics: agricultural safety and health, air sampling instruments, bioaerosols, biological exposure indices, computer, industrial ventilation, infectious agents, international, small business, chemical substance TLVs, and physical agent TLVs.

" A TLV – TWA of 1 ppm ( 3. 89 mg / m3 ) is recommended for occupational exposure to methyl bromide "- ACGIH 8 hour time weighted average.

However, given the potential for enhanced risk of hearing loss, the noise exposures should be kept below 85 decibels and the chemical exposures should be below the recommended exposure limits given by agencies such as OSHA, NIOSH, or ACGIH.

TLVs, along with biological exposure indices ( BEIs ), are published annually by the ACGIH.

The OSHA regulatory exposure limits permissible exposure limits ( PELs ) published in 29CFR 1910. 1000 Table Z1 are based on recommendations made by the ACGIH in 1968, although other exposure limits were adopted more recently.

The current ACGIH biological exposure limits for occupational exposure to PCP are 5 mg / L in an end-of-shift plasma specimen and 2 mg / g creatinine in an end-of-shift urine specimen.

The ACGIH biological exposure indices for blood and urine cadmium levels are 5 μg / L and 5 μg / g creatinine, respectively, in random specimens.

According to the American Conference of Governmental Industrial Hygienists ( ACGIH ), the time-weighted average ( TWA ) limit for carbon monoxide ( 630-08-0 ) is 25 ppm.

ACGIH has established threshold limit values ( TLVs ) for most of these compounds.

The American Conference of Governmental Industrial Hygienists ( ACGIH ) is a professional association of industrial hygienists and practitioners of related professions, with headquarters in Cincinnati, Ohio.

In 1946, the organization changed its name to the American Conference of Governmental Industrial Hygienists ( ACGIH ) and offered full membership to all industrial hygiene personnel within the agencies as well as to governmental industrial hygiene professionals in other countries.

:: Formed in 27 June 1938 as the National Conference of Governmental Industrial Hygienists, renamed ACGIH in 1946.

The TLV is a recommendation by ACGIH, with only a guideline status.

Another way is to assign the massless particle a fictitious mass, and then take the limit as the fictitious mass vanishes.

However, when r is a real number larger than 1, the partial sums increase without bound, and averaging methods assign a limit of ∞.

Though the two remained illegitimate, an Act of Parliament passed in 1544 allowed reinserting them, providing further " that the King should and might give, will, limit, assign, appoint or dispose the said imperial Crown and the other premises … by letters patent or last will in writing.

:" To give a text an Author " and assign a single, corresponding interpretation to it " is to impose a limit on that text.

For example one could assign a 2, 000 max iteration image to the red channel, a 200 max iteration image to the green channel, and a 20 max iteration image to the blue channel of an image in an RGB color space.

According to Moore, a moral actor cannot survey the “ goodness ” inherent in the various parts of a situation, assign a value to each of them, and then generate a sum in order to get an idea of its total value.

Any attempt to assign a monetary value to the human body, or body parts, either arbitrarily, or through market forces, diminishes human dignity .”

Because of these difficulties, palaeobotanists usually assign different taxonomic names to different parts of the plant in different modes of preservation.

Registration agencies generally charge a fee to assign a new DOI name ; parts of these fees are used to support the IDF.

Low Mass ( called in Latin, Missa lecta, which literally means " read Mass ") is a Tridentine Mass defined officially in the Code of Rubrics included in the 1962 edition of the Roman Missal as Mass in which the priest does not chant the parts that the rubrics assign to him.

Different cultures have different terms for colors, and may also assign some color terms to slightly different parts of the human color space: for instance, the Chinese character 青 ( pronounced qīng in Mandarin and ao in Japanese ) has a meaning that covers both blue and green ; blue and green are traditionally considered shades of " 青.

The Priest's part is written for a baritone, while the Angel of the Agony is more suited to a bass ; as both parts are short they are usually sung by the same performer, although some performances assign different singers for the two parts.

With a the renewal of brutal war with Haven, and embroiled in the annexation of parts of the Silesian Confederacy, Manticore has no choice ( and no other available resources ) but to assign a small and clearly insufficient naval force to guard the Cluster, while a Constitutional Convention is taking place which will define the terms of the Cluster's formal annexation.

It is now impossible to assign them to their respective saints, especially as two were located in the same county ; the one whom William of Malmesbury mentions with most honour was S. Editha of Wilton, whose festival he relates was in his time kept in several parts of the kingdom with great solemnity ; probably the majority, if not all, these churches are named in her honour ".

These peace agreements would assign most Hungarian-inhabited and most Romanian-inhabited parts of Banat, Bačka and Baranja to Hungary and Romania respectively.

# Subjectivists assign numbers per subjective probability, i. e., as a degree of belief.

The model considers, not only the changing number of people with certain beliefs, but also attempts to assign utility values of a belief as per each nation.

The kernel can assign one thread to each logical core in a system ( because each processor splits itself up into multiple logical cores if it supports multithreading, or only support one logical core per physical core if it does not support multithreading ), and can swap out threads that get blocked.

Once the date is set, the ABET commission will assign program evaluators ( generally one per program being evaluated ).

In fact, the principle of general covariance in general relativity implies that global evolution per se does not exist ; the time is just a label we assign to one of the coordinate axes.

The disappearance caused his family to assign a full-time maid to keeping an eye on the boy.

It is puzzling to the occidental mind ( to mine at least ) to assign `` sacredness '' to animal, insect, and plant life.

Forty-seven states assign or provide vehicles for employees on state business.

States which provide automobiles for employees assign them variously to the agency, the individual, or to a central pool.

The Attorney General shall assign such officers and employees of the Department of Justice as may be necessary to represent the United States as to any claims of the Government of the United States with respect to which the Commission has jurisdiction under this title.

In the daytime, on the other hand, since skywave transmission is relatively inefficient, it is possible to assign a substantially larger number of stations on these channels.

Essentially, the question presented for decision in the present Daytime Skywave proceeding is whether our decision ( in 1938-1939 ) to assign stations on the basis of daytime conditions from sunrise to sunset, is sound as a basis for AM allocations, or whether, in the light of later developments and new understanding, skywave transmission is of such significance during the hours immediately before sunset and after sunrise that this condition should be taken into account, and some stations required to afford protection to other stations during these hours.

and, indeed, there is no more reason to separate the interrelated roles of the active, builder, antiredeposition agent, etc. than there is to assign individual actions to each of the numerous isomers making up a given commercial organic active.

Neither can be adequately systematized until we are able to separate the two and assign the observed phenomena individually to one or the other.

He was oblivious of the form of the object actually being viewed, precisely because he could not assign it to a visual shape, already learned and held in visual memory, as persons of normal vision do.

When so instructed, Autocoder will generate one or more RDWS and assign them successive locations immediately preceding the area with which they are to be associated.

In some cases, it may be more advantageous to assign locations to RDWS associated with DA and DC areas in some other part of storage, i.e., not immediately preceding the DA or DC areas.

He would assign one of the rescue trucks to the Riverside section of the city and the other to the Rumford area.

We cannot, of course, assign it any substance.

If so, it might be worth while to assign a future jazz show to a different department -- one with enough confidence in the musical material to cut down on the number of performers and give them a little room to display their talents.

The indecision did not last long: during May 1963 the CCITT Working Party on the New Telegraph Alphabet proposed to assign lower case characters to columns 6 and 7, and International Organization for Standardization TC 97 SC 2 voted during October to incorporate the change into its draft standard.

Thus, from the human body, the usual form assigned to the Deity, forasmuch as it is written that God created man in his own image, issue the two supporters, Nous and Logos, symbols of the inner sense and the quickening understanding, as typified by the serpents, for the same reason that had induced the old Greeks to assign this reptile for an attribute to Pallas.

Modern scholars assign a wide range of genres to the Acts of the Apostles, including biography, novel and history.

For instance, " LOW " and " LOSS " would be treated as the same variable, and attempting to assign a value to " LOSS " would overwrite any value assigned to " LOW.

Connecting together AppleTalk equipped systems would automatically assign addresses, update the distributed namespace, and configure any required inter-networking routing.

* Every institution must assign responsibility for caring for collections to members of its staff.

Less probable traditions assign to him the bishopric of Duras, or of Iconium in Phrygia, or of Caesarea.

In AMPS, the cell centers could flexibly assign channels to handsets based on signal strength, allowing the same frequency to be re-used in various locations without interference.

However, in drafting opinions, the Chief Justice enjoys additional influence in case disposition if in the majority through his power to assign who writes the opinion.

This authority includes the power to assign duties, to decide which books may or may not be read, to regulate comings and goings, and to punish and excommunicate.