NYC-WTC_000210816

PEDNEAULT ASSOCIATES, INC. NYCDEP - WTC z z -< 631-467-8477 5-BORO SAMPLING 4 o o METALS IN AIR CD

§ c o o ro |CALCULAT1ON FOR OSHA ID 121/125G-METALS IN AIR VIA CASSETTE FILTER (37MMM1LL1PORE) & MOBILE VACUUM PUMPS jA= Concentration of Analyte in sample solution (pg/ml) or (mg/L) jB=Concentration of Blank in sample solution (pg/ml) or (mg/L) I ’

I ■D c CT o' ■D o O 00 jSSV= Sample Solution VoIume ASSV« Analytc concentratiom Sample Solution Volume AR= (A X SSV) - (B X BSV) I 3. ro 91 CD •BSV=Blank Sample Volume BBSV=Blank concentration x Blank Sample Volume AV I O !rAB= Reagent Blank Concentration (pg/ml) or (mg/L) o o c ! RABSV” Reagent Blank Sample Volume I 3 CD O !d= Dilution Factor (NONE) I Ino GRAVIMETIC FACTORS TB- TRIP/FIELD BLANK For the Trip Blank Analytical Value: iAV= Ait Volume Sampled AR= (B X BSV) - (RAB X RABSV) I IAR=:Analytical Result AV I lARRsAna^ic^ Rejmrtable ResulHn m^Zm< ; (roun^d^IT to ^sigma)_

JARRfng'/m^>^ 100 8.6 0.098 100 9.8 30 -0.04 Aluminum-Al <0.01 100 5.8 ■d7664 100 6.4 -0.6 30 -0.02 Antimony-Sb <0.01 -0.005 100 -0.5 ■-d7o^i2 100 -1.2 0.7 30 0.0233333 Arsenic-As 0.02 ""0?003 100 0.3 ■oToos 100 0.3 0 30 0 BariumTsa <0.01 ■■"“0 100 0 100 0 0 30 0 Beryllium-Be <0.01 ■■"6?6di 100 0.1 "o'o’o? 100 0.1 0 30 0 Cadmium-Cd <0.01 "'0?422 100 42.2 ■b7442 100 44.2 -2 30 -0.0666667 Calcium-Ca <0.01 ■■"6?6d7 100 0.7 ■d7d67 100 0.1 0.6 30 0.02 Chromium-Cr 0.02 '"o?o'O9 WOj 0.9 ■d7di6 100 1.6 ^07 30 -0.0233333 Copper-Cu <0.01 '"o?ro4 100 10.4 ■d.‘0‘45’ 100 4.5 5.9 30 0.1963667 Iron-Fe 0.2 ■"0?006 100 0.6 ■b7(jo7 100 0.1 0.5 30 0.0166667 Lead-Pb 0.02 ■■■■■ojOTT 100 7.7 ■d7()72 100 7.2 0.5 30 0.0166667 Magnesium-Mg 0.02 '""6?639 100 3.9 "0?02 100 2 1.9 30 0.0633333 Manganese-Mn 0.06 Q 100 100 30 Mercury-Hg <0.01 -0.001 100 -0.1 -0.001 100 -0.1 0 30 0 Nickel-NI <0.01 ”0748 100 14.8 "■O.Y35 100 13.5 -1^ 30 0.0433333 Potassium-K 0.04 ”o?ooi 100 0.1 "'O.OO8 100 0.8 -0.7 30 -0.0233333 Selenium-Se <0.01 SQ ■■ojodi 100 0.1 ■■■O.OOT 100 0.1 0 30 0 Silver-Ag <0.01 o ■"27i‘5 100 215 ■■■■2.155 100 215.5 -0.5 30 -0.0166667 Sodium-Na <0.01 o I o -■6?6Ti 100 -1.1 ■“-oTdia 100 -1.3 0.2 30 0.0066667 Thallium-TI <0.01 o ”o?oi6 100 1.6 ■"0.029 100 2.9 -1.3 30 -0.0433333 Zinc-Zn <0.01 CO Ol PED ID #01100027-007 CO

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