NYC-WTC_000220514

NYC 9/11 Public Portal Document

PEDN EAULT ASSOCIATES, INC. J NYCDEP - WTC 631-467-8477 5-BORO SAMPLING . METALS IN AIR I CALCULATION FOR OSHAID121/125G-- METALS IN AIR VIA CASSETTE HLTER (37MM MILLIPORE) & MOBILE VACUUM PUMPS | |A= Concentration of Analyte in sample solution (pg/ml) or (mg/L) I jB^Concentration of Blank in sample solution (pg/ml) or (mg/L) jSSV« Sample Solution Volume ASSY- * - - Analyte concentration x Sample Solution Volume AR= fA X SSV) - (B X BSV) I ■ BSV=Blank Sample Volume s BBSV=Blank concentration x Blank Sample Volume AV I !rAB= Reagent Blank Concentration (|xg/ml) or (mg/L) ! RABSV= Reagent Blank Sample Volume I Jd® Dilution Factor (NONE) I Ino gravimetic factors For the Trip Blank Analytical Value: I I AV= Air Volume Sampled AR= (B X BSV) - (RAB X RABSV) lAR=»Analytical Result < AV I lARRaAna^ical Rcjjortablc Result in m^/m’ (rounded off to 3-sigma) r’r 8S 0.076 100 7.6 0.068 100 0.8 30 0.0266667 Aluminum- Al 0.03 O?67 __ 100 7 '‘"b‘.4i9 100 -34.9 30 -1.1633333 Antimony-Sb <0.01 "“o,bb2~' 100 0.2 ““oYm 100 TJg -12.6 30 -0.42 Arsenic-As <0.01 "”b”o‘b3”” 100 0.3 '”‘0.062 100 0.2 0.1 30 0.0033333 Barium-Ba <0.01 ZZIZZ- 0.001 __ 100 100 0 0.1 '■“o.'663 '■"0.005 100 100 0.3 0.5 -0.3 -0.4 30 -0.01 Be^llium-Be 30 -0.0133333 Cadmium-Cd <0.01 <0.01 ””o.7iY‘“ ■”‘6‘.‘3‘i3 100 71.1 100 31.3 39.8 30 1.3266667 Calcium-Ca 1.33 ■‘"0.069““' 100 0.9 '“■6‘.'6i6 100 1.6 -0.7 30 -0.0233333 Chromium-Cr <0.01 !"”b"0’24”‘ 100 2.4 ■‘“b.o‘47 100 -2.3 30 -0.0766667 Copper-Cu <0.01 !""b”o‘6i”” 100 6.1 ■■"b"2‘9Y 100 -23 30 -0.7666667 Iron-Fe <0.01 r"o.668 ■" _ 100 0.8 ””b544 100 -3.6 30 -0.12 Lead-Pb <0.01 i"“0.‘0'69”” _ 100 6.9 '■"b"o‘4T 100 2.8 30 0.0933333 Magnesium-Mg 0.09 i""b”o‘72"” 100 7.2 ‘orbs 100 9 -1.8 30 -0.06 Manganese-Mn <0.01 o 100 100 30 Mercury-Hg <0.01 H ■ 0.001 100 0.1 0.002 100 0.2 -0.1 30 -0.0033333 Nickel-NI <0.01 1"^ r"o.ie4 100 16.4 '”‘b”2‘72 100 27.2 -10.8 30 -0.36 Potassium-K <0.01 I—i 100 0.8 0?i4 100 *14 -13.2 30 -0.44 Selenium-Se <0.01 s o i 0.002 100 0.2 “■o.‘666 100 0.6 -0.4 30 -0.0133333 Silver-Ag <0.01 o o 100 181.3 ”tB84 100 188.4 -7.1 30 -0.2366667 Sodium-Na <0.01 I ■"-O.'o'64 o o j 0.001 100 0.1 100 -q:4 0.5 30 0.0166667 Thallium-TI 0.02 CO 100 3.1 "~b528 100 2.8 0.3 30 0.01 Zinc-Zn 0.01 CO "lab Yd #01100592-006 <0

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NYC-WTC_000220525