Results: 1597
Page: 19
Analysis of substance: | Report limit: |
---|---|
Asbestos fibers |
A-2c, asbestos, semi-quantitative in material
Package info
Price: 5.410 NOK / sampleStd. response time: 10 work days
Fastest response time: 1 work day
Discount group: 1
Sample type: Construction material etc.
Analysis type: Particles/asbestos
Sample amount: ca 20g, if rock crushed to below 100 µm
Method: SEM (ISO 22262-1:2012)
Express: Yes, Fastest delivery 1 workday, 100% addition. 2 days: 75%, 3 days: 50%
Accreditation: No
Remarks: The analysis is used to control the asbestos amount between 0.1 and 2 weight%. Not possible to use with amount >5%
Lab: ALS Stockholm
Analysis of substance: | Report limit: |
---|---|
Attached special report |
Photographs from SEM [A-4f]
Package info
Price: 930 NOK / sampleStd. response time: 10 work days
Fastest response time: 1 work day
Discount group: 1
Sample type: Construction material etc.
Analysis type: Particles/asbestos
Method: SEM; ISO 22262
Express: Yes, Fastest delivery 1 workday, 100% addition. 2 days: 75%, 3 days: 50%
Accreditation: No
Remarks: Price is per picture
Photography per SEM. Please specify the magnification between 50x and 10000x
Lab: ALS Stockholm
Analysis of substance: | Report limit: |
---|---|
As, arsenic | 0.5 mg/kg |
Cd, cadmium | 0.02 mg/kg |
Cr, chromium | 0.2 mg/kg |
Cr(VI), Cr6+ | mg/kg |
Cu, copper | 0.2 mg/kg |
Hg, mercury | 0.01 mg/kg |
Ni, nickel | 0.1 mg/kg |
Pb, lead | 1 mg/kg |
Zn, zink | 0.4 mg/kg |
PCB 28 | 0.002 mg/kg |
PCB 52 | 0.002 mg/kg |
PCB 101 | 0.002 mg/kg |
PCB 118 | 0.002 mg/kg |
PCB 138 | 0.002 mg/kg |
PCB 153 | 0.002 mg/kg |
PCB 180 | 0.002 mg/kg |
sum of PCB-7 | 0.004 mg/kg |
Concrete package (Metals, PCB, Cr6+)
Package info
Price: 2.780 NOK / sampleStd. response time: 5 work days
Fastest response time: 1 work day
Discount group: 1
Sample type: Construction material etc.
Analysis type: Combination packages
Sample amount: 100 g
Container: Ziplock bag
Method: Suite
Express: Yes, Fastest delivery 1 workday, 100% addition. 2 days: 75%, 3 days: 50%
Accreditation: Yes
Remarks: Lab: ALS DK
Analysis of substance: | Report limit: |
---|---|
As, arsenic 1 | 3 mg/kg |
Ba 1 | 0.4 mg/kg |
Be 1 | 0.1 mg/kg |
Cd, cadmium 1 | 0.1 mg/kg |
Co 1 | 0.1 mg/kg |
Cr, chromium 1 | 0.2 mg/kg |
Cu, copper 1 | 0.3 mg/kg |
Fe 1 | 10 mg/kg |
Hg, mercury 1 | 1 mg/kg |
Mn 1 | 0.5 mg/kg |
Ni, nickel 1 | 0.2 mg/kg |
P 1 | 5 mg/kg |
Pb, lead 1 | 1 mg/kg |
Sr 1 | 0.2 mg/kg |
V 1 | 0.2 mg/kg |
Zn, zink 1 | 1 mg/kg |
Metals (16) in construction material, 7M HNO3 digestion [Bygg-I-1c]
Package info
Price: 1.470 NOK / sampleStd. response time: 5 work days
Fastest response time: 1 work day
Discount group: 1
Sample type: Construction material etc.
Analysis type: Elements
Sample amount: 1 g dry matter
Method: ICP-SFMS acc ISO 17294-1,2 and EPA 200.8. ICP-AES acc ISO 11885 and EPA 200.7. Hg acc ISO 17852
Express: Yes, Fastest delivery 1 workday, 100% addition. 2 days: 75%, 3 days: 50%
Accreditation: No
Remarks: Analysis of the eight heavy metals is accredited. Se own package for this.
Lab: ALS Luleå
1 LOR varies, depending on matrix
Analysis of substance: | Report limit: |
---|---|
As, arsenic | 0.1 mg/kg dry weight |
Cd, cadmium | 0.01 mg/kg dry weight |
Co | 0.03 mg/kg dry weight |
Cr, chromium | 0.1 mg/kg dry weight |
Cu, copper | 0.3 mg/kg dry weight |
Hg, mercury | 0.04 mg/kg dry weight |
Ni, nickel | 0.08 mg/kg dry weight |
Pb, lead | 0.1 mg/kg dry weight |
V | 0.2 mg/kg dry weight |
Zn, zink | 1 mg/kg dry weight |
Metals (10) in building material, 7M HNO3 digestion [I-2]
Package info
Price: 1.625 NOK / sampleStd. response time: 10 work days
Fastest response time: 2 work days
Discount group: 1
Sample type: Construction material etc.
Analysis type: Elements
Sample amount: 5 g dry matter
Method: ICP-SFMS acc ISO 17294-1,2 and EPA 200.8. ICP-AES acc ISO 11885 and EPA 200.7. Hg acc ISO 17852
Express: Yes, Fastest delivery 2 workdays, 100% addition. 3 days: 75%, 4 days 50%
Accreditation: No
Remarks: Lab: ALS Luleå
Analysis of substance: | Report limit: |
---|---|
0 |
Addition metal to metal package in materials
Package info
Price: 2.395 NOK / sampleStd. response time: 5 work days
Fastest response time: 1 work day
Discount group: 1
Sample type: Construction material etc.
Analysis type: Elements
Method: depends on main package
Express: Yes, Fastest delivery 1 workday, 100% addition. 2 days: 75%, 3 days: 50%
Analysis of substance: | Report limit: |
---|---|
Cr(VI), Cr6+ | 0.2 mg/kg |
Cr6+ in building material
Package info
Price: 1.000 NOK / sampleStd. response time: 5 work days
Fastest response time: 1 work day
Discount group: 1
Sample type: Construction material etc.
Analysis type: Elements
Sample amount: 10 g
Container: Ziplock bag
Express: Yes, Fastest delivery 1 workday, 100% addition. 2 days: 75%, 3 days: 50%
Accreditation: Yes
Remarks: Lab: ALS DK
Analysis of substance: | Report limit: |
---|---|
C10-C13 (SCCP) | 100 mg/kg |
C14-C17 (MCCP) | 100 mg/kg |
Chlorinated paraffins (SCCP and MCCP) in material samples [OG-32]
Package info
Price: 2.780 NOK / sampleStd. response time: 5 work days
Fastest response time: 3 work days
Discount group: 1
Sample type: Construction material etc.
Analysis type: Organic compounds
Sample amount: 20 g
Container: Ziplock bag
Method: ISO 12010
Express: Yes, Fastest delivery 3 workdays, 100% addition. 4 days: 75%, 5 days 50%
Accreditation: Yes
Remarks: Måleusikkerhet (MU) 40 %
Lab: ALS CZ
Analysis of substance: | Report limit: |
---|---|
PCB 28 | 0.01 mg/kg |
PCB 52 | 0.01 mg/kg |
PCB 101 | 0.01 mg/kg |
PCB 118 | 0.01 mg/kg |
PCB 138 | 0.01 mg/kg |
PCB 153 | 0.01 mg/kg |
PCB 180 | 0.01 mg/kg |
sum of PCB-7 | mg/kg |
Chlorinated paraffins 1 | påvist/ikke påvist |
Chlorinated paraffins + PCB-7 in building materials
Package info
Price: 1.575 NOK / sampleStd. response time: 5 work days
Fastest response time: 1 work day
Discount group: 1
Sample type: Construction material etc.
Analysis type: Combination packages
Sample amount: 50 g
Container: Ziplock bag
Method: Suite
Express: Yes, Fastest delivery 09:00 express: 300% addition, 12.00: 275%, 1 day: 100%, 2d: 75%, 3d: 50%
Accreditation: Yes
Remarks: Lab: ALS DK
1 If there are positive findings of chlorinated paraffins >1000 mg/kg, a separate analysis of short- and medium-chained analysis can be performed to check whether the sample has to be handled as dangerous waste
The parameter is not accredited.
Analysis of substance: | Report limit: |
---|---|
Chlorinated paraffins | påvist/ikke påvist |
Chlorinated parafins, qualitative, in building materials
Package info
Price: 1.575 NOK / sampleStd. response time: 5 work days
Fastest response time: 1 work day
Discount group: 1
Sample type: Construction material etc.
Analysis type: Organic compounds
Sample amount: 50 g
Method: EPA 8082, ISO 10382
Express: Yes, Fastest delivery 09:00 express: 300% addition, 12.00: 275%, 1 day: 100%, 2d: 75%, 3d: 50%
Accreditation: Yes
Remarks: Måleusikkerhet (MU) 40 %
Lab: ALS CZ
Analysis of substance: | Report limit: |
---|---|
C10-C13 (SCCP) | 100 mg/kg |
C14-C17 (MCCP) | 100 mg/kg |
PCB 28 | 0.01 mg/kg |
PCB 52 | 0.01 mg/kg |
PCB 101 | 0.01 mg/kg |
PCB 118 | 0.01 mg/kg |
PCB 138 | 0.01 mg/kg |
PCB 153 | 0.01 mg/kg |
PCB 180 | 0.01 mg/kg |
sum of PCB-7 | 0.035 mg/kg |
As, arsenic | 0.5 mg/kg |
Cd, cadmium | 0.2 mg/kg |
Cr, chromium | 0.25 mg/kg |
Cu, copper | 0.3 mg/kg |
Hg, mercury | 0.2 mg/kg |
Ni, nickel | 5 mg/kg |
Pb, lead | 1 mg/kg |
Zn, zink | 1 mg/kg |
Paint package (Chlorinated paraffins, PCB-7, heavy metals)
Package info
Price: 5.340 NOK / sampleStd. response time: 5 work days
Fastest response time: 3 work days
Discount group: 1
Sample type: Construction material etc.
Analysis type: Combination packages
Sample amount: 30 g
Container: Ziplock bag
Method: Suite
Express: Yes, Fastest delivery 3 working days, 100% additional. 4 days: 75%
Accreditation: Yes
Instruction: Information regarding paint analysis
LINK
Remarks: Lab: ALS CZ and ALS DK
Analysis of substance: | Report limit: |
---|---|
C10-C13 (SCCP) 1 | påvist/ikke påvist |
C14-C17 (MCCP) 1 | påvist/ikke påvist |
PCB 28 | 0.01 mg/kg |
PCB 52 | 0.01 mg/kg |
PCB 101 | 0.01 mg/kg |
PCB 118 | 0.01 mg/kg |
PCB 138 | 0.01 mg/kg |
PCB 153 | 0.01 mg/kg |
PCB 180 | 0.01 mg/kg |
sum of PCB-7 | 0.035 mg/kg |
As, arsenic | 0.5 mg/kg |
Cd, cadmium | 0.02 mg/kg |
Cr, chromium | 0.2 mg/kg |
Cu, copper | 0.2 mg/kg |
Hg, mercury | 0.01 mg/kg |
Ni, nickel | 0.1 mg/kg |
Pb, lead | 1 mg/kg |
Zn, zink | 0.4 mg/kg |
Paint package qualitative (Chlorinated paraffins qualitative, PCB-7, heavy metals)
Package info
Price: 2.520 NOK / sampleStd. response time: 5 work days
Fastest response time: 1 work day
Discount group: 1
Sample type: Construction material etc.
Analysis type: Combination packages
Sample amount: 30 g
Container: Ziplock bag
Method: Suite
Express: Yes, Fastest delivery 3 working days, 100% additional. 4 days: 75%
Accreditation: Yes
Instruction: Information regarding paint analysis
LINK
Remarks: Chlorinated paraffins: Detection limit for detected / undetected > 1000 mg/kg
Lab: ALS DK
1 The parameter is not accredited.
Analysis of substance: | Report limit: |
---|---|
naphthalene | 0.050 mg/kg |
acenaphthylene | 0.050 mg/kg |
acenaphthene | 0.050 mg/kg |
fluorene | 0.050 mg/kg |
phenanthrene | 0.050 mg/kg |
anthracene | 0.050 mg/kg |
fluoranthene | 0.050 mg/kg |
pyrene | 0.050 mg/kg |
benzo(a)anthracene | 0.050 mg/kg |
chrysene | 0.050 mg/kg |
benzo(b+j)fluoranthene | 0.050 mg/kg |
benzo(k)fluoranthene | 0.050 mg/kg |
benzo(a)pyrene | 0.050 mg/kg |
dibenzo(ah)anthracene | 0.050 mg/kg |
benzo(ghi)perylene | 0.050 mg/kg |
indeno(1,2,3-cd)pyrene | 0.050 mg/kg |
sum of PAH-16 | mg/kg |
sum of carcinogenic PAH | mg/kg |
PAH-16 in material samples [OG-1]
Package info
Price: 1.575 NOK / sampleStd. response time: 5 work days
Fastest response time: 1 work day
Discount group: 1
Sample type: Construction material etc.
Analysis type: Organic compounds
Sample amount: 10 g
Container: Ziplock bag
Method: US EPA Method 8270D; US EPA Method 8082A; CSN EN 17503; ISO 18287; ISO 18475; CSN EN 17322
Express: Yes, Fastest delivery 1 workday, 100% addition. 2 days: 75%, 3 days: 50%
Accreditation: Yes
Instruction: Per 50 g (concrete)
Remarks: Measurement uncertainty 30%
Lab: ALS CZ
Analysis of substance: | Report limit: |
---|---|
TOC (total organic carbon) | 1000 mg/kg |
TOC (mg/kg) (total organic carbon) in building material [TOC-BM]
Package info
Price: 565 NOK / sampleStd. response time: 5 work days
Fastest response time: 09:00 express
Discount group: 1
Sample type: Construction material etc.
Analysis type: Other analyses
Sample amount: 50 g
Container: Ziplock bag
Method: EN 13137:2001
Express: Yes, Fastest delivery 09:00 express: 300% addition, 12.00: 275%, 1 day: 100%, 2d: 75%, 3d: 50%
Accreditation: Yes
Remarks: Lab: ALS DK
Analysis of substance: | Report limit: |
---|---|
benzene 1 | 0.04 mg/kg |
toluene 1 | 0.04 mg/kg |
ethylbenzene 1 | 0.04 mg/kg |
m/p-xylene 1 | mg/kg |
o-xylen 1 | mg/kg |
Sum of BTEX 1 | mg/kg |
fraction C5-C6 | 2.5 mg/kg |
fraction >C6-C8 | 2.5 mg/kg |
fraction C8-C10 | 5 mg/kg |
fraction >C10-C12 | 5 mg/kg |
fraction >C12-C16 | 25 mg/kg |
fraction >C16-C35 | 25 mg/kg |
fraction C5-C35 (sum) | mg/kg |
fraction >C12-C35 | mg/kg |
C17/pristane | 0.5 mg/kg |
C18/phytane | 0.5 mg/kg |
Petrol pack for building material [OG-20h]
Package info
Price: 1.605 NOK / sampleStd. response time: 5 work days
Fastest response time: 09:00 express
Discount group: 1
Sample type: Construction material etc.
Analysis type: Combination packages
Sample amount: 50 g
Express: Yes, Fastest delivery 09:00 express: 300% addition, 12.00: 275%, 1 day: 100%, 2d: 75%, 3d: 50%
Accreditation: Yes
Remarks: Lab: ALS DK
1 The parameter is not accredited.
Analysis of substance: | Report limit: |
---|---|
dimethyl phthalat | 1000 mg/kg |
dietyl phthalate | 1000 mg/kg |
di-n-propyl phthalate | 1000 mg/kg |
di-n-butyl phthalate (DBP) | 1000 mg/kg |
di-isobutyl phthalate | 1000 mg/kg |
di-pentyl phthalate (DPP) | 1000 mg/kg |
di-n-octyl phthalate | 1000 mg/kg |
di-(2-ethylhexyl)phthalate (DEHP) | 1000 mg/kg |
butylbenzylphthalate | 1000 mg/kg |
di-cyclohexylphthalate | 1000 mg/kg |
di-isodecyl phthalate (DIDP) | 1000 mg/kg |
di-isononyl phthalate (DINP) | 1000 mg/kg |
Phthalates in material samples [OG-4]
Package info
Price: 2.375 NOK / sampleStd. response time: 5 work days
Fastest response time: 3 work days
Discount group: 1
Sample type: Construction material etc.
Analysis type: Organic compounds
Sample amount: 10 g
Container: Ziplock bag
Method: EPA 8061A
Express: Yes, Fastest delivery 3 workdays, 100% addition. 4 days: 75%
Accreditation: Yes
Remarks: MU 30-40%
Lab: ALS CZ
Analysis of substance: | Report limit: |
---|---|
pentachlorophenol | 0.006 mg/kg |
Chlorophenols in material samples - pentachlorophenol only
Package info
Price: 2.175 NOK / sampleStd. response time: 5 work days
Fastest response time: 2 work days
Discount group: 1
Sample type: Construction material etc.
Analysis type: Organic compounds
Sample amount: 20 g
Method: ISO 14154, EPA 8041, EPA 3500
Express: Yes, Fastest delivery 2 workdays, 100% addition. 3 days: 75%, 4 days 50%
Accreditation: Yes
Remarks: Måleusikkerhet (MU) 25 %
Lab: ALS CZ
Analysis of substance: | Report limit: |
---|---|
2-monochlorophenol | 0.02 mg/kg |
3-monochlorophenol | 0.02 mg/kg |
4-monochlorophenol | 0.02 mg/kg |
2,3-dichlorophenol | 0.02 mg/kg |
2,4+2,5-dichlorophenol | 0.04 mg/kg |
2,6-dichlorophenol | 0.02 mg/kg |
3,4-dichlorophenol | 0.02 mg/kg |
3,5-dichlorophenol | 0.02 mg/kg |
2,3,4-trichlorophenol | 0.02 mg/kg |
2,3,5-trichlorophenol | 0.02 mg/kg |
2,3,6-trichlorophenol | 0.02 mg/kg |
2,4,5-trichlorophenol | 0.02 mg/kg |
2,4,6-trichlorophenol | 0.02 mg/kg |
3,4,5-trichlorophenol | 0.02 mg/kg |
2,3,4,5-tetrachlorophenol | 0.02 mg/kg |
2,3,4,6-tetrachlorophenol | 0.02 mg/kg |
2,3,5,6-tetrachlorophenol | 0.02 mg/kg |
pentachlorophenol | 0.005 mg/kg |
Chlorophenols (18 compounds incl pentachlorophenol) in material samples [OG-7]
Package info
Price: 2.175 NOK / sampleStd. response time: 5 work days
Fastest response time: 2 work days
Discount group: 1
Sample type: Construction material etc.
Analysis type: Organic compounds
Sample amount: 20 g
Method: ISO 14154, EPA 8041, EPA 3500
Express: Yes, Fastest delivery 2 workdays, 100% addition. 3 days: 75%, 4 days 50%
Accreditation: Yes
Remarks: Måleusikkerhet (MU) 25 %
Lab: ALS CZ
Analysis of substance: | Report limit: |
---|---|
HFC 134a | 5.0 mg/kg |
Freons in material samples - HFC 134a
Package info
Price: 1.875 NOK / sampleStd. response time: 10 work days
Fastest response time: 7 work days
Discount group: 1
Sample type: Construction material etc.
Analysis type: Organic compounds
Sample amount: 20 g
Method: ISO 10310 (F4)
Express: Yes, Fastest delivery 7 working days: 100%, 8 days: 75%, 9 days: 50%
Accreditation: Yes
Remarks: Measurement uncertainty 35%
Lab: GBA
Analysis of substance: | Report limit: |
---|---|
HCFC 141b | 5.0 mg/kg |
HCFC 142b | 5.0 mg/kg |
HCFC 22 | 5.0 mg/kg |
Freons in material samples - HCFC (R141b, -142b, -22)
Package info
Price: 1.875 NOK / sampleStd. response time: 10 work days
Fastest response time: 7 work days
Discount group: 1
Sample type: Construction material etc.
Analysis type: Organic compounds
Sample amount: 20 g
Method: ISO 10301 (F4)
Express: Yes, Fastest delivery 7 working days: 100%, 8 days: 75%, 9 days: 50%
Accreditation: Yes
Remarks: Measure Uncertainties 35%
Lab: GBA
Analysis of substance: | Report limit: |
---|---|
CFC 11 | 5.0 mg/kg |
CFC 12 | 5.0 mg/kg |
CFC 113 | 5.0 mg/kg |
Freons in material samples - CFC (R11, -12, -113 )
Package info
Price: 1.875 NOK / sampleStd. response time: 10 work days
Fastest response time: 7 work days
Discount group: 1
Sample type: Construction material etc.
Analysis type: Organic compounds
Sample amount: 20 g
Container: Ziplock bag
Method: ISO 10301 (F4)
Express: Yes, Fastest delivery 7 working days: 100%, 8 days: 75%, 9 days: 50%
Accreditation: Yes
Remarks: Måleusikkerhet (MU) 20 %
Lab: GBA
Analysis of substance: | Report limit: |
---|---|
CFC 11 | 5.0 mg/kg |
CFC 12 | 5.0 mg/kg |
CFC 113 | 5.0 mg/kg |
HCFC 141b 1 | 5.0 mg/kg |
HCFC 142b 1 | 5.0 mg/kg |
HCFC 22 1 | 5.0 mg/kg |
HFC 134a 1 | 5.0 mg/kg |
Freons in material samples - (CFC, HFC, HCFC)
Package info
Price: 2.830 NOK / sampleStd. response time: 10 work days
Fastest response time: 7 work days
Discount group: 1
Sample type: Construction material etc.
Analysis type: Organic compounds
Sample amount: 20 g
Container: Ziplock bag
Method: ISO 10301 (F4)
Express: Yes, Fastest delivery 7 working days: 100%, 8 days: 75%, 9 days: 50%
Accreditation: Yes
Remarks: Måleusikkerhet (MU) 20 %
Lab: GBA
1 Measurement uncertainty 35%
Analysis of substance: | Report limit: |
---|---|
PBDE 99 | 10 mg/kg |
octaBDE | 20 mg/kg |
decaBDE (PBDE-209) | 50 mg/kg |
tetrabromobisphenol-A (TBBPA) | 20 mg/kg |
hexabromocyclododecane (HBCD) | 50 mg/kg |
Brominated flame retardants (BFH) in material samples, 5 compounds [OG-25]
Package info
Price: 3.530 NOK / sampleStd. response time: 15 work days
Fastest response time: 6 work days
Discount group: 1
Sample type: Construction material etc.
Analysis type: Organic compounds
Sample amount: 20 g
Container: Ziplock bag
Method: ISO 22032
Express: Yes, Fastest delivery 6 working days, 100% additional. 7 days: 75%, 8 days 50%, 9 days 30%, 10 days 20%
Accreditation: Yes
Remarks: Måleusikkerhet (MU) 20 %
Lab: GBA
Analysis of substance: | Report limit: |
---|---|
Bromine - total in material samples
Package info
Price: 1.010 NOK / sampleStd. response time: 10 work days
Fastest response time: 3 work days
Discount group: 1
Sample type: Construction material etc.
Analysis type: Elements
Sample amount: 50 g
Method: Detected as bromide by IC after combustion
Express: Yes, Fastest delivery 3 workdays, 100% addition. 4 days: 75%, 5 days 50%
Accreditation: Yes
Remarks: Lab: ALS CZ
Analysis of substance: | Report limit: |
---|---|
2,4-toluene diisocyanate (2,4-TDI) 1 | 0.005 µg |
2,6-toluene diisocyanate (2,6-TDI) 1 | 0.005 µg |
4,4-metylenediphenyl diisocyanate (MDI) 1 | 0.005 µg |
Phenyl isocyanate (PHI) 1 | 0.01 µg |
Isophorone diisocyanate (IPDI) 1 | 0.005 µg |
Methyl isocyanate (MIC) 1 | 0.01 µg |
Ethyl isocyanate (EIC) 1 | 0.01 µg |
Propyl isocyanate (PIC) 1 | 0.01 µg |
Isocyanic acid (ICA) 1 | 0.05 µg |
1.6-Hexamethylene diisocyanate (1.6 HDI) 1 | 0.005 µg |
Isocyanates in material samples, qualitative
Package info
Price: 6.930 NOK / sampleStd. response time: 15 work days
Discount group: 1
Sample type: Construction material etc.
Analysis type: Organic compounds
Sample amount: 10g
Container: Rilsanpose
Method: GC-MS-CI- eller LC-MS-MS-ES+
Express: No
Accreditation: No
Remarks: Lab: other
1 Limit for detected/not detected
In the case of a proven result, an "X" is written on the report, while in the case of an unproven result, it is written "-"