Page:NIOSH Manual of Analytical Methods - 5014.pdf/1

 CHLORINATED TERPHENYL (60% CHLORINE)

C18 H4.65 Cl9.35

MW: 552 (average)

METHOD: 5014, Issue 2 1984

CAS: 11126-42-4

RTECS: TQ1390000

EVALUATION: PARTIAL

OSHA : no PEL NIOSH: no REL ACGIH: no TLV (1 ppm ≈ 23 mg/m 3 @ NTP)

5014

Issue 1: 15 February

PROPERTIES:

solid; d 1.67 g/mL @ 25 °C; BP 280 to 335 °C @ 5 mm Hg (0.67 kPa); softening point 98 to 105.5 °C

SYNONYMS: chlorinated triphenyl, polychloroterphenyl, PCT, Aroclor 5460

SAMPLING SAMPLER:

FILTER (glass fiber)

MEASUREMENT 63

TECHNIQUE:

GAS CHROMATOGRAPHY,

Ni ECD

ANALYTE:

chlorinated terphenyl

DESORPTION:

4 mL isooctane, 30 min ultrasonic agitation

FLOW RATE: 1 to 3 L/min VOL-MIN: -MAX:

100 L @ 10 µg/m 3 1500 L

SHIPMENT:

routine

SAMPLE STABILITY:

at least 7 days @ 25 °C [1]

BLANKS:

2 to 10 field blanks per set

INJECTION VOLUME:

2 µL

TEMPERATURE-INJECTION: -DETECTOR: -COLUMN:

240 °C 300 °C 240 °C

GASES-CARRIER: nitrogen, 40 mL/min -PURGE: nitrogen COLUMN: ACCURACY RANGE STUDIED: 0.01 to 1.0 mg/m 3 [1] (100-L samples) BIAS:

none identified

ˆ rT): not evaluated OVERALL PRECISION (S ACCURACY:

not determined

2.0 m x 2-mm ID glass; 3% QF-1 on 80/100 mesh Gas Chrom Q or equivalent

CALIBRATION:

chlorinated terphenyl in isooctane

RANGE:

1 to 100 µg per sample [1]

ESTIMATED LOD: not determined PRECISION (Sr):

0.081 [1]

APPLICABILITY: The working range is 0.01 to 1 mg/m 3 for a 100-L air sample.

INTERFERENCES: Presence of other chlorinated terphenyls, e.g., Aroclor 5442 (42% chlorine), or other substances with similar retention and detection characteristics may interfere with the analysis.

OTHER METHODS: None evaluated by NIOSH.

NIOSH Manual of Analytical Methods (NMAM), Fourth Edition, 8/15/94