NYC-WTC_000220498

NYC 9/11 Public Portal Document

PEDNEAULT ASSOCIATES, INC. NYCDEP-WTC 631-467-8477 5-BORO SAMPLING METALS IN AIR fCALCULATlON FOR OSHA 1D121/125G- METALS IN AIR VIA CASSETTE FILTER (37MM MILLIPORE) & MOBILE VACUUM PUMPS |A- Concentration of Analyte in sample solution (pg/ml) or (mg/L) I JB-Cbncentration of Blank in sample solution (pg/ml) or (mg/L) •SSV-...... Sample. _ Solution . Volume ASW<«:Oalyte cdncentratioii xSampIe Solution Volume AR= (A X SSV) - (B X BSV) I ■BSV=Blanlc Sample Volume BBSV«Blahk concentration xBlank Sample Volume AV !rAB- Reagent Blank Concentration (|ig/ml) or(in^/L) I [rABSV- Reagent Blank Sample Volume I Jd>« Dilution Factor (NONE) I Ino GRAVIMETIC FACTORS For the Trip Blank Analytical Value: IAV® Air Volume Sampled AR= (B X BSV) - (RAB X RABSV) I lAR=Analytical Result AV I IARR=^ia^i^ ^cjml^lejfe^lt inm^/tn’ (rdiinded olFth^^^sigmaO * I --------------------------------------- Q--------- .jp.

rA'WI»l1BBW»aWBSBWBB sy ssswsswH iOBS .1AR/AV|^ aAHALVf 0.096 100 9.6 0.073 100 7.3 2.3 30 0.0766667 Aluminum- Al 0.08 d?07l' 100 7.1 ■d."o"ii' 100 1..1 6 30 0.2 Antimony-Sb 0.2 '6?d55 100 5.5 Too? 100 0.2 5.3 30 0.1766667 Arsenic-As 0.18 "ordd? 100 0.2 Too? 100 0.2 0 30 0 Barium-Ba <0.01 addf 100 0.1 100 0 0.1 30 0.0033333 Beryllium-Be <0.01 I' ado? 100 0.2 Too? 100 0.1 0.1 30 0.0033333 Cadmium-Cd <0.01 ■"oa' 100 40 ’d.273 100 27.3 12.7 30 0.4233333 Calcium-Ca 0.42 "aoT 100 1 ‘d.do5 100 0.5 0.5 30 0.0166667 Chromium-Cr 0.02 I. ojoTT 100 1.1 ’d.do9 100 0.9 0.2 30 0.0066667 Copper-Cu <0.01 0?i67 100 16.7 '0.036 100 3.6 13.1 30 0.4366667 Iron-Fe 0.44 I. d?017 100 1.7 To67 100 -27 1 30 0.0333333 Lead-Pb 0.03 ^084' 100 8.4 ■d."d57 100 5.7 2.7 30 0.09 Magnesium-Mg 0.09 '6'01'3 100 1.3 'd.'dos 100 0.5 0.8 30 0.0266667 Manganese-Mn 0.03 o 100 100 30 Mercury-Hg <0.01 H 0.001 100 0.1 -0.001 100 -0.1 0.2 30 0.0066667 Nickel-NI <0.01 !'I "6?i42 100 14.2 "0.091 100 9.1 5.1 30 0.17 Pofassium-K 0.17 I—i II, “6?d86 100 8.6 ^0001 100 -0.1 8.7 30 0.29 Selenium-Se 0.29 s I o I -6?ddi 100 -0.1 -O.’do2' 100 -0.2 0.1 30 0.0033333 Silver-Ag <0.01 o o T964' 100 190.4 100 141.7 48.7 30 1.6233333 Sodium-Na 1.62 Io o Tom' 100 0.4 -d.{)6T 100 -0.1 0.5 30 0.0166667 Thallium-TI 0.02 !. ''6?O26 100 2.6 ■d."o'3i" 100 3.1 -0.5 30 -0.0166667 Zinc-Zn <0.01 CO CO LAB ID #01100376-003 Oi NYCDEP - CENTRAL PK NO & LENOX-NYC / itTR /I mi r:c/MV/r'rM-n i f/\-7R*A“r..i,.

NYC-WTC_000220503