Substance Measured

Detector Tube
applicable

Part No.
(1 box of 10 tubes)

Measuring range
(ppm)

Threshold Limit Value
1998 ACGIH (ppm)

Hydrogen Sulfide

H2S-1

487339

1-200

10

H2S-100

487340

0100-4000

H2S-0.1%

655932

0.1-4 Vol. %

Qualitest QL

497665

n/a

Isobutane (Methylpropane)

Propane-200

804418

200-4200

-

Iso butanol (Isobutyl Alcohol, 2-Methylpropyl Alcohol)

Ethanol-100

804136

100-2900

50

Isobutene (lsobutylene, Methylpropene)

Ethylene-50

804428

400-2600

-

Iso-Butylamine

Triethylamine-5

804134

3-36

-

Isobutylene (lsobutene, Methylpropene)

Ethylene-50

804428

400-2600

-

Isobutyl Alcohol (lsobutanol, 2-Methylpropyl Alcohol)

Ethanol-100

804136

150-2900

50

Isobutyl Methyl Ketone

MEK-50

813334

50-6500

-

Iso Octane

Hexane-20

497664

100-3000

-

Isopropanol (Isopropyl Alcohol, 2-Propanol)

Ethanol-100

804136

200-5000

400

Qualitest QL

497665

n/a

Isopropyl Alcohol (Isopropanol, 2-Propanol)

Ethanol-100

804136

200-5000

400

Qualitest QL

497665

n/a

Isopropylamine

Triethylamine-5

804134

5-30

5

Isopropyl mercaptan

Ethylmercaptan-0.5

804589

0.5-5.5

-

Kerosene

Qualitest QL

497665

n/a

-

Ketones

Qualitest QL

497665

n/a

-

Liquified Petroleum Gases

Gasoline-30

492870

Semiquantitative

-

Qualitest QL

497665

n/a

Mercury

Hg-0.l mg/m3

497663

0.1-0.8 mg/m3 (0.01-
0.08 ppm)

0.025 mg/m3
(inorganic)

Methane

Natural Gas

655789

Semiquant. 5000+

-

Methanol (Methyl Alcohol)

Ethanol-l00

804136

100-2350

200

Methyl Alcohol (Methanol)

Ethanol-l00

804136

100-2350

200

Methylamine

Triethylamine-5

804134

4-55

5

Methyl benzene (Toluene)

Tol.-5

803947

5-1000

50

Methyl bromide (Bromomethane)

Trichloroethane-5

487343

9-200

5

MeBr-200

710544

200-8000 ppm

MeBr-2

710391

2-100 ppm

2-Methyl butane

Hexane-20

497664

50-3000

-

Methyl chloroform (1,1,1- Trichloroethane)

Trichloroethane-5

487343

5-1500

350

Qualitest QL

497665

n/a

Methylcyclohexane

Hexane-20

497664

80-4900

400

M ethylcyc lopentane

Hexane-20

497664

150-3700

-

Methylene chloride (Dichloromethane)

CH2C12-50

804416

50-1000

50

Methylene dibromide (Dibromomethane)

Trichloroethane-5

487343

9-200

-

Methyl Ethyl Ketone (MEK)

MEK-50

813334

50-4000

200

Qualitest QL

497665

n/a

Methyl mercaptan

Ethylmerca p~a n-0.5

804589

0.5-5

0.5

2-Methyl pentane

Hexane-20

497664

150-4500

-

3-Methyl pentane

Hexane-20

497664

100-3700

-

Methylpropane (lsobutane)

Propane-200

804418

200-4200

-

Methylpropene (lsobutylene, Isobutene)

Ethylene-50

804428

400-2600

-

2-Methylpropyl Alcohol (Isobutanol, Isobutyl Alcohol)

Ethanol-l00

804136

150-2900

50

Nitrogen Dioxide

NO2-0.5

487341

0.5-50

3

NO2-2

804435

2-140

Nitrous Fumes

Nitr.-0.5

487336

0.5-50

-

Nitr.-2

804425

2-140

Nitr.-lO

803946

10-300

Nitr.-50

804426

50-3000

n-Nonane

Hexane-20

497664

50-2800

200

n-Octane

Hexane-20

497664

50-3000

300

Ozone

Ozone-0.05

804140

0.05-5

0.05 (ceiling)

Pentachloroethane

Trichloroethane-5

487343

10-300

-

n-Pentane

Hexane-20

497664

50-3900

600

Qualitest QL

497665

n/a