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.

TLVs for physical agents include those for noise exposure, vibration, ionizing and non-ionizing radiation exposure and heat and cold stress.

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

In certain circumstances, individuals or organizations may wish to make use of these recommendations or guidelines if the use of TLVs and BEIs contributes to the overall improvement in worker protection.

The TLVs and BEI are developed as guidelines to assist in the control of health hazards.

Three types of TLVs for chemical substances are defined:

There are TLVs for physical agents as well as chemical substances.

The American Conference of Governmental Industrial Hygienists publishes threshold limit values ( TLVs ) that have been adopted by many governments for use in the workplace.

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

Today's list of TLVs includes over 600 chemical substances and physical agents, as well as over 30 Biological Exposure Indices for selected chemicals.

A brace of pistols, holstered on belts, hung from a peg, along with ammunition pouches.

Then, with a glory that almost wiped out the deep, downward sags in her careworn face, Matilda leaned over the wheel and shouted to Hez, who was stumbling along in the heat and the dust on the opposite side of the wagon `` Pa!!

At these words of sympathy and understanding, Harmony said generously, `` I don't mind setting here along with Gran while you go out and join in the games ''.

Already a few hardy folk from their own train were zealously chipping away at the register rocks, leaving their own records along with those made by the earlier trains.

The only drawback now to the plan he'd decided on was that someone else might fail to do his work, too, and the teacher would have that person stay late along with Jack.

Probably a larger percentage of Virginians and South Carolinians remain unreconstructed than elsewhere, with Georgia, North Carolina, and Alabama following along after them.

When the Revolution broke out, he, along with Jefferson and Jay, abandoned his career at the bar, with considerable financial sacrifice.

Dictionaries, as we have seen, still cite this government, along with the Articles of Confederation of 1781, as an example of a confederacy.

In agriculture, for example, despite the advances in biology, elaborate rituals tend to persist along with a continued sense of the imminence of some natural disaster.

she filled the waste spots of the yard with common things like the garden heliotrope in a corner by the woodshed, and the plantain lilies along the west side of the house.

The first sentence, with its platitudinous irony, announces an emblematic intent: `` The way to the churchyard ran along beside the highroad, ran beside it all the way to the end ; ;

These new pictures focussed on the familiar and commonplace objects that he had heard the men in his prison camp talking about as the things they missed most, hence associated with the sense of lost freedom: the cafe at the corner, the newspaper kiosk, the girls in doorways and windows along the street, the golden-crusted French bread they lacked, the cigarettes denied them.

To you, for instance, the word innocence, in this connotation, probably retained its Biblical, or should I say technical sense, and therefore I suppose I must make myself quite clear by saying that I lost -- or rather handed over -- what you would have considered to be my innocence two weeks before I was legally entitled, and in fact by oath required, to hand it over along with what other goods and bads I had.

Swift, in the Dublin edition of A Preface to the Bishop of Sarum's Introduction, indicated his feelings by including Molesworth, along with Toland, Tindal, and Collins, in the group of those who, like Burnet, are engaged in attacking all Convocations of the clergy.

From his playmates in Savannah, Mercer had picked up, along with a soft Southern dialect, traces also of the Gullah dialects of Africa.

Much to Damon Runyon's amazement, as well as my own, I got along splendidly with the Hetman ; ;

In the range and variety of characters who, in their literary lives, get along all right with life styles one never imagined possible, there is an implicit lesson in differentiation.

In this essay, we are, along with most historians, interested in the more general or more inclusive ideas, that are so to speak `` writ large '' in history of literature where they recur continually.

A horse needed twenty pounds of food a day but the infantryman got along with two pounds.

along the Danube and among the Carpathians, in alliance with the Emperor Joseph's armies ; ;

Having done so, he began to experience all the frustrations of others who attempted to get along with Serenissimus and do a job at the same time.

The selective and directional qualities of basic value-orientations are clearly evident in these data: the `` success-oriented '' students choose vocational preparation, the `` other-directed '' choose goals of social adjustment ( `` getting along with people '' ), the `` intellectuals '' choose a liberal arts emphasis.

In all the talk of feudal rights, the knights and bishops must never forget the woolworkers, nor was it easy to do so, for all along the road to Italy they passed the Florentine pack trains going home with their loads of raw wool from England and rough Flemish cloth, the former to be spun and woven by the Arte Della Lana and the latter to be refined and dyed by the Arte Della Calimala with the pigment recently discovered in Asia Minor by one of their members, Bernardo Rucellai, the secret of which they jealously kept for themselves.

The site runs along the coast and is of both biological and geological interest.

Erosion along limestone shores, notably in the tropics, produces karst topography that includes a sharp makatea surface above the normal reach of the sea and undercuts that are mostly the result of biological activity or bioerosion at or a little above mean sea level.

* Environment ( biophysical ), the physical and biological factors along with their chemical interactions that affect an organism

He coined the term “ phallocentrism ” in a critique of Freud ’ s account of sexual difference arguing along with Klein and her Berlin colleague, Karen Horney, for a primary femininity and penis envy as a defensive formation rather than arising from the fact, or “ injury ”, of biological asymmetry.

It is an important component of the hypothalamic-pituitary-adrenal axis and is often produced in response to biological stress ( along with its precursor corticotropin-releasing hormone from the hypothalamus ).

Organisms and biological communities vary in a highly regular fashion along geographic gradients of latitude, elevation, isolation and habitat area.

In 1971 the island, along with the nearby islands of Green Island, Puffin Island, Stony Island, and White Island, were designated a Site of Special Scientific Interest ( SSSI ) for their biological characteristics.

Joined by Nobel Prize winner and former National Institutes of Health director Harold Varmus, the PLoS organizers next turned their attention to starting their own journal, along the lines of the UK-based BioMed Central, which has been publishing open-access scientific papers in the biological sciences in journals such as Genome Biology and the Journal of Biology since late 1999.

This period contains technetium, one of the two elements until lead that has no stable isotopes ( along with promethium ), as well as molybdenum and iodine, two of the heaviest elements with a known biological role, and Niobium has the largest magnetic known penetration depth of all the elements.

Next, a sewage refinery was built along the banks of the Narew, which was supposed to keep water in the Narew clean without destroying its biological life.

This trait, unsurprisingly called competitiveness, is viewed as an innate biological trait which coexists along with the urge for survival.

Also in 2011, Keaton began production on Justin Zackham's ensemble comedy The Big Wedding, in which she, along with Robert De Niro, will play a long-divorced couple who, for the sake of their adopted son's wedding and his very religious biological mother, pretend they're still married.

Also starring Hunt along with Matthew Broderick and Colin Firth, the comedy-drama film tells the story of a 39-year-old Brooklyn elementary school teacher, who after years is contacted by the flamboyant host of a local talk show, played by Midler, who introduces herself as her biological mother.

* Orbital Forests — Not actually planets, but orbiting forests ( having atmospheres kept in by containment fields ) created by the Ousters, who live in them ( along with other types of space colonies ); eventually these grow into Dyson trees, a biological variant of Dyson Spheres.

He grew up in Nyack, New York, along with the MacArthurs ' biological daughter, Mary.

In 1950, Kendall and Hench, along with Swiss chemist Tadeus Reichstein were awarded the 1950 Nobel Prize in Physiology or Medicine for " their discoveries relating to the hormones of the adrenal cortex, their structure and biological effects.

He was also rather unique at the time ( along with Evola ) in his advocacy of a spiritual, as opposed to biological, understanding of race.

On one visit Singa, supposedly ran away back to her biological family, but while walking along the train tracks she was run over by a train, and Helena later found the mutilated body.

Those who conceive naturally most often remove the zygote or embryo from their own wombs to have it transferred to gestation machine, though some more eccentric women would, after a having the embryo genetically examined and modified to ensure its biological integrity as an Abh along with the maintenance of clan traits, have these zygotes or embryos replaced into their own wombs in order to carry it to full term naturally.

The effectiveness of a material as a biological shield is related to its cross-section for scattering and absorption, and to a first approximation is proportional to the total mass of material per unit area interposed along the line of sight between the radiation source and the region to be protected.

The White Queen Emma Frost is a junior member who, along with Tessa, believe Xavier to be their biological father.

Because they reproduced through spores, there was little biological basis for families to form, and were thus grouped together with others with whom they would get along.

The most commonly used hydrogel is sol-gel, a glassy silica generated by polymerization of silicate monomers ( added as tetra alkyl orthosilicates, such as TMOS or TEOS ) in the presence of the biological elements ( along with other stabilizing polymers, such as PEG ) in the case of physical entrapment.

" Mr. Hussein's dogged insistence on pursuing his nuclear ambitions, along with what defectors described in interviews as Iraq's push to improve and expand Baghdad's chemical and biological arsenals, have brought Iraq and the United States to the brink of war.

These dyes, along with newer fluorophores such as Alexa 488, FluoProbes 488 and DyLight 488, have been tailored for various chemical and biological applications where higher photostability, different spectral characteristics, or different attachment groups are needed.