·
State
of the art automated instrumentation is conducive to accurate, rapid, and error
free results.
·
Flexibility to set-up for new analytes, for example
organic acids or inorganic oxyanions.
·
Excellent analyte sensitivity, with reporting limits at
or below drinking water DLRs for clean matrices. Our RL for perchlorate in
water has recently been lowered to 0.5 ug/L. Our bromate detection limit is 2
ug/L by 300.1 in water samples with up to 100ppm chloride.
·
Applicable
to drinking water, fresh & marine surface & ground water, effluent,
storm water run off, waste water & wine.
·
Solids
such as soils, food & produce, meats, plants and other matrices can be
tested if a suitable extraction is available. Cal Trans methods 417 (SO4-2)
& 422 (Cl-) use 300ml DI : 100g soil extraction ratio, “shake
well & stand overnight”, whereas EPA 300.0, Rev 2.2, uses a 100ml DI : 10g
soil ratio & mix for 5 minutes. Tests performed by our lab have shown that
the Cal Trans methodology recovers substantially more than EPA 300.0 calculated
on a mg/kg basis. Cal Trans methodology is followed by MAI when needed to
evaluate soil for Cal Trans construction criteria, although slightly modified
by MAI from standing overnight to shaking for 12 hours in order to promote
reproducible data. The DI STLC extraction, due to its higher fluid to solid
ratio (10ml : 1g) which helps avoid saturation and its longer extraction time,
will promote even more complete recovery of anions, and will be utilized by MAI
in all other situations. ASTM C 1580-05 extraction for sulfate is also
available (3g, homogenized from 100g: 250ml DI, stir for 1hr).
·
TTLC
Hexachrome (EPA 3060A) alkaline digestion available. COD & pH
determinations are no longer automatically included with TTLC Cr(VI), but are
recommended in the case of low MS/D spike recoveries to demonstrate the
reducing nature of the soil.
· Elements Br, I, P & S are available by ICP-MS as unspeciated total elements