Room ID------- Material ID ASBESTOS Components Positive? Yes, No, Trace, Assumed PISTM-1 White pipe insulation on hot water supply and return throughout building Yes 5-10% CH, 5-15%AM NA NA LF 1400 FLVCT-7 12x12" black floor tiles w/ black mastic in bathroom off exam room in basement Yes 10-20% CH NA NA SF 24 PILAG-15 White woven cotton paper and sheet pipe insulation throughout 2nd & 3rd floors Yes 10-20% CH NA NA LF 250 FLGRIP-17 Black stepgrip on north center stairwell Yes 10-20% CH 10-20% CH 5-15% CH SF 250 RFTAR-21 Roofing tar, felt paper and associated materials Yes 5-10% CH NA NA SF 3400 RFROLL-100 2 Black roofing tar w/ glass & gravel over black tar and paper Yes 3-10% CH NA NA SF 2500 RFROLL-101 3 Black roofing tar w/ glass & gravel under grey slate surface Yes 5-10% CH NA NA SF 9300 CAULK-102 4 Black/brown tar over black tar and jute on annex parapet wall Yes 5-15% CH NA NA SF 160 RFCAULK-103 Green caulk over RFROLL-100 Yes 15-20% CH NA NA LF 15 PAINT-113 Green paint on exterior Yes 2-5% CH NA NA SF 20700 WLSH-5 1 Wallboard w/ joint compound throughout basement Trace <1% CH <1% CH <1% CH SF 13800 WLSH-107 Sheetrock w. joint compound and tape in annex building Trace <1% CH <1% CH <1% CH SF 2500 WLSH-110 Unfinished sheetrock in basement Trace <1% CH <1% CH <1% CH SF 2500 NON-ASBESTOS PAINT-2 Beige peeling paint throughout the sub-basement No ND ND ND SF PNQ WLPL-3 Plaster wall panel attached to concrete at stairwell in sub-basement No ND ND ND SF 18 WLPL-4 Plaster wall w/ paint throughout sub-basement No ND ND ND SF PNQ MASTIC-6 Brown mastic behind fake green ceramic wallboard in treatment, exam and file room in basement No ND ND ND SF 580 FLVCS-8 Black floor sheeting with mastic in treatment room in basement No ND ND ND SF PNQ FLVCS-9 Tan & Red pattern floor sheeting w/ mastic and black felt in treatment room in basement No ND ND ND SF PNQ FLVCS-10 Red floor sheeting w/ mastic (battleship linoleum) throughout building No ND ND ND SF PNQ BBMAS-11 Black baseboard w/ brown mastic in exam room in basement No ND ND ND LF PNQ CLPL-12 Ceiling plaster w/ paint throughout original construction No ND ND ND SF PNQ WLPL-13 Wall plaster w/ textured white paint throughout original construction No ND ND ND SF PNQ CAULK-14 White interior window putty on 1st floor No ND ND ND LF PNQ CAULK-16 White caulk/plaster between battleship linoleum in SE corner of 1st floor No ND ND ND LF 5 FLVCT-18 9x9" yellow vinyl floor tile w/ black mastic in 1st floor lobby No ND ND ND SF 315 FLGRIP-19 Black stepgrip on center stairwell No ND ND ND SF PNQ FLVCT-20 9x9" yellow & red vinyl floor tile w/ mastic in 2nd floor lobby No ND ND ND SF 358 CAULK-22 Exterior window caulking No ND ND ND LF 1100 PAINT-111 Red paint on corrugated metal in annex building No ND ND ND SF PNQ PAINT-112 Green exterior paint on windows and doors No ND ND ND SF PNQ FLVCS-104 Brown linoleum with jute backing over wood on 3rd floor No ND ND ND SF PNQ PUTTY-105 Exterior window glazing/putty No ND ND ND LF PNQ CARMAS-106 Carpet mastic under green carpet No ND ND ND SF PNQ FIREDOORS-AAA Fire doors not present EA FIREHOSES-AAA Fire Hoses not present EA FLOORS-NNN non-suspect floors Not suspect WALLS-NNN non-suspect walls Not suspect CEILING-NNN non-suspect ceilings Not suspect OTHER HAZMATS TUBES Mercury-containing fluorescent tubes PPNQ EA BALLASTS Possible PCB-containing lighting ballasts PPNQ EA THERMOSTATS Mercury-containing thermostat switches PPNQ EA SMOKE DETECTORS Radioisotope smoke detectors PPNQ EA LEAD PAINT Sub-basement paints Yes 0.01 - >5.0 mg/cm 2 PNQ Basement paints Yes 0.06 - >5.0 mg/cm 2 PNQ 1st floor paints Yes 0.06 - >5.0 mg/cm 2 PNQ 2nd floor paints Yes 0.28 - >5.0 mg/cm 2 PNQ Exterior paints Yes 0.04 - >5.0 mg/cm 2 PNQ ARSENIC-CONTAINING PAINT Green paint on exterior windows of original building Yes 1.4-2.1 mg/kg PNQ Green paint on exterior windows of annex building Yes 48-55 mg/kg PNQ CADMIUM-CONTAINING PAINT Green paint on exterior windows of original building Yes 3.3-4.2 mg/kg PNQ Green paint on exterior windows of annex building Yes 49-120 mg/kg PNQ CHROMIUM- CONTAINING PAINT Green paint on exterior windows of original building Yes 950-1100 mg/kg PNQ Green paint on exterior windows of annex building Yes 2500-5800 mg/kg PNQ MERCURY-CONTAINING PAINT Green paint on exterior windows of annex building Yes 0.26 mg/kg PNQ 1 1-3% CH found in joint compound 2 3-10% CH in layer 1 (roofing tar w/ glass and gravel), ND in Layer 2 (black tar and paper) 3 ND in layer 1 (grey slate surface), 5-10% CH in Layer 2 (roofing tar w/ glass and gravel) 4 5-10% CH in layer 1 (black/brown tar), ND in Layer 2 (black tar and jute) NOTE 1: Data extrapolated from limited March 1998 survey report and October 1999 survey report, both prepared by SCA Environmental, Inc. NOTE 2: Information provided in this table was summarized from documentation provided to SCA by the Port of San Francisco. SCA has not verified the accuracy or completeness of the information listed above. SCA makes no warranties or representations that the information contained in this matrix is accurate. The building should be reinspected/surveyed prior to renovation activities to identify all information contained in this matrix is accurate. The building should be reinspected/surveyed prior to renovation activities to identify all hazardous materials and verify the accuracy of the presented data. Notes: ND=none detected NA=not analyzed CH=chrysotile asbestos AM=amosite PNQ=present, but not quantified Sample 1 Sample 2 Sample 3 Units Interior Exterior Annex roof Main building Roof MATERIAL MATRIX REPORT Pier 70-Bldg. 104 Page 9 of 12 Prepared by SCA Environmental, Inc. SCA Project No.: F8983 May 19, 2008