NYC-WTC_000210768

NYC 9/11 Public Portal Document

PEDNEAULT ASSOCIATES, INC. NYCDEP - WTC 631-467-8477 5-BORO SAMPLING METALS IN AIR [CALCULATION FOR OSHA 1D121/125G- METALS IN AIR VIA CASSEITE FILTER (37MM MILLIPORE) & MOBILE VACUUM PUMPS , | JA- Concentration of Analyte in sample solution (pg/ml) or (mg/L) I jB«Concentration of Blank in sample solution (pg/ml) or (mg/L) |SSV>>> Sample Solution Volume ASSV” Analyte concentration x Sample Solution Volume AR= (A X SSV) - (B X BSV) 1 ■BSV=Blank Sample Volume BBSV=Blank concentration x Blank Saiiiple Volume AV I !rAB= Reagent Blank Concentration ((ig/ml) or (mg/L) ! RABSV- Reagent Blank Sample Volume J: I Jd= Dilution Factor (NONE) 1 Ino gravimetic factors TBi TRIP/FIELD BLANK For the Trip Blank Analytical Value: I AV- Air Volume Sampled AR= (B X BSV) - (RAB X RABSV) I lAR-Analytical Result AV I (roundedJiff to 3-sigma);

BSV (mL) to TBSvOb§V RABtrng/tj rabxrabbsv-rabbsv i^TB-RAB:=AR AVLitirs ¥/AR/AV Wanalyte. ARR 0.069 100 6.9 0.063 100 6.3 0.6 30 0.02 Aluminum- Al 0.02 ...... "0?025 100 2.5 ■“6?62 100 2 0.5 30 0.0166667 Antimony-Sb 0.02 .... "-ordis 100 -1.5 -b7oT7 100 -1.7 0.2 30 0.0066667 Arsenic-As <0.01 0?d03 100 0.3 'oBoa 100 0.2 0.1 30 0.0033333 Barium-Ba <0.01 ...... '-ojoi'i 100 -1.1 -o.oii‘ 100 -1.1 0 30 0 Beryllium-Be <0.01 ■-o;o’2'i 100 -2.1 -0.022 100 -2.2 0.1 30 0.0033333 Cadmium-Cd <0.01 .... ’"rses 100 136.8 ‘0.869 100 86.9 49.9 30 1.6633333 Calcium-Ca 1.66 ..... "6?6d6 „„„ 100 0.6 "b.bo5 100 0.5 0.1 30 0.0033333 Chromium-Cr <0.01 100 -5 -oTdse 100 -5.6 0.6 30 0.02 Copper-Cu 0.02 OjMI 100 4.1 ’b.bis 100 1.5 2.6 30 0.0866667 Iron-Fe 0.09 To^oTs 100 -1.3 -d.dii‘ 100 -1.1 -0.2 30 -0.0066667 Lead-Pb <0.01 100 22.1 "o‘T95 100 19.5 2.6 30 0.0866667 Magnesium-Mg 0.09 ojoes 100 8.8 ‘oTom 100 5.9 2.9 30 0.0966667 Manganese-Mn 0.1 100 100 30 Mercury-Hg <0.01 Q 0.002 100 0.2 0.002 100 0.2 0 30 0 Nickel-NI <0.01 H 100 66.1 oTse 100 56 10.1 30 0.3366667 Potassium-K 0.34 100 1.5 ■"“■^‘.ori 100 -1.1 2.6 30 0.0866667 Selenium-Se 0.09 S o -0.09 100 -9 ■-o;69 IB -9 0 30 0 Silver-Ag <0.01 o ■”4?r73 100 417.3 2.449 100 244.9 172.4 30 5.7466667 Sodium-Na 5.75 o ■■-o;do3 100 -0.3 ■“■-d’.oo8 100 -0.8 30 0.0166667 Thallium-TI I 0.5 0.02 o ■■"0.03 100 3 0.025 100 2.5 0.5 o 30 0.0166667 Zinc-Zn 0.02 CO on LAB ID #01100280-007 o

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NYC-WTC_000210781