Teledyne 6712FR manual Table C-1 Hazardous Gases Continued

Models: 6712FR

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6712FR Refrigerated Sampler

Appendix C General Safety Procedures

Table C-1 Hazardous Gases (Continued)

 

 

 

Specific

 

Max

Max. Safe

Explosive

Likely

 

Simplest and

 

Chemical

Common

Gravity

Physiological

Safe 60

Range (% by

Location

Most

 

8 Hour

Cheapest

Gas

or Vapor

Min.

vol. in air)

of

Common

Formula

Properties

Effect

Exposure

Safe Method

 

Density

Exposure

Limits

Highest

Sources

 

 

 

 

ppm

of Testing

 

 

 

Air =1

 

ppm

lower/upper

Concentration

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Sludge

—***

Mostly a simple

Variable

Will not support

No data. Would

5.3

19.3

Near top of

From

See compo-

Gas

 

asphyxiant. May

 

life.

vary widely with composi-

 

 

structure.

digestion

nents.

 

 

be practically

 

 

tion.

 

 

 

 

of sludge.

 

 

 

odorless, taste-

 

 

 

 

 

 

 

 

 

 

 

less.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Sulfur

SO2

Colorless, pun-

2.26

Inflammation of

50

10

At bottom, can

Industrial

Detectable

Dioxide

 

gent odor. Suffo-

 

the eyes. 400 to

to

 

 

 

combine with

waste,

taste and odor

 

 

cating, corrosive,

 

500 ppm imme-

100

 

 

 

water to form

combus-

at low concen-

 

 

poisonous,

 

diately fatal.

 

 

 

 

sulfurous acid.

tion, com-

tration.

 

 

non-flammable.

 

 

 

 

 

 

 

mon air

 

 

 

 

 

 

 

 

 

 

 

pollutant.

 

 

 

 

 

 

 

 

 

 

 

 

 

Toluene

C5H12

Colorless, ben-

3.14

At 200-500 ppm,

200

100

1.27

7.0

At bottom.

Solvent.

Combustible

 

to

zene-like odor.

 

headache, nau-

 

 

 

 

 

 

gas indicator.

 

C9H20

 

 

sea, bad taste,

 

 

 

 

 

 

 

 

 

 

 

lassitude.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Turpentine

C10H16

Colorless, Char-

4.84

Eye irritation.

100

 

 

At bottom.

Solvent,

1. Detectable

 

 

acteristic odor.

 

Headache, diz-

 

 

 

 

 

used in

odor at low

 

 

 

 

ziness, nausea,

 

 

 

 

 

paint.

concentration

 

 

 

 

irritation of the

 

 

 

 

 

 

s.

 

 

 

 

kidneys.

 

 

 

 

 

 

2.Combustible

 

 

 

 

 

 

 

 

 

 

 

gas indica-

 

 

 

 

 

 

 

 

 

 

 

tor.

 

 

 

 

 

 

 

 

 

 

 

 

Xylene

C8H10

Colorless, flam-

3.66

Narcotic in high

100

1.1

7.0

At bottom.

Solvent

Combustible

 

 

mable

 

concentrations.

 

 

 

 

 

 

gas indicator.

 

 

 

 

less toxic than

 

 

 

 

 

 

 

 

 

 

 

benzene.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

* Percentages shown represent volume of gas in air.

 

 

 

 

 

 

 

 

** For concentration over 0.3%.

 

 

 

 

 

 

 

 

 

***Mostly methane and carbon dioxide with small amounts of hydrogen, nitrogen, hydrogen sulfide, and oxygen; occasionally traces of carbon monoxide.

 

C-9

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Teledyne manual Table C-1 Hazardous Gases Continued, 6712FR Refrigerated Sampler Appendix C General Safety Procedures