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
