ALANGHSE SERVICES |
PERIODIC GAS LEVEL CHECK RECORD | LFR-F-40F REV. 01 Controlled Form |
| Date | 2026-08-10 | Confined Space Permit No. | [ PERMIT_ID ] |
| Shift A (Time) | Start Time: _________ End Time: _________ AM / PM | ||
| Shift B (Time) | Start Time: _________ End Time: _________ AM / PM | ||
| Acceptable Levels of Gas Concentrations as per Recycling of Ships Regulations, 2026 | |||
| O2 (OXYGEN) | CH4 (METHANE) in % | H2S (HYDROGEN SULPHIDE) in PPM | CO (CARBON MONOXIDE) in PPM |
| 20.6 % to 22.0 % | ≤1% of Lower Flammable Limit (LFL) = 0.05% V/V Methane in Air=0.0005 by Fraction. |
≤50% of Occupational Exposure Limit [OEL], i.e., 50% of 10 PPM = 5.0 PPM |
≤50% of Occupational Exposure Limit [OEL], i.e., 50% of 50 PPM = 25 PPM |
| EQUIPMENT (MULTI-GAS DETECTOR USED TO MONITOR THE GAS READINGS) | |||||
| Tick(✓/x) | Manufacturer | Model | Serial Number | Calibrated on | Next calibration due on |
☑ | MSA | ALTAIR-4X | 6006494 | 16/02/2026 | 15/08/2026 |
☑ | GMI | PS241 | 348793 | 18/03/2026 | 18/09/2026 |
| 2nd/th Reading | |||||
| Parameter | CS | ADJ-1 | ADJ-2 | ADJ-3 | ADJ-4 |
| SPACE/LOCATION | |||||
| O2 [%] | |||||
| HC* [% LEL] | |||||
| CO [ppm] | |||||
| H2S [ppm] | |||||
| ILLUMINATION (lux) | |||||
| TEMPERATURE (0C) | |||||
| Time | |||||
| Signature (Inspector) | |||||
| 3nd/th Reading | |||||
| Parameter | CS | ADJ-1 | ADJ-2 | ADJ-3 | ADJ-4 |
| SPACE/LOCATION | |||||
| O2 [%] | |||||
| HC* [% LEL] | |||||
| CO [ppm] | |||||
| H2S [ppm] | |||||
| ILLUMINATION (lux) | |||||
| TEMPERATURE (0C) | |||||
| Time | |||||
| Signature (Inspector) | |||||
| 4nd/th Reading | |||||
| Parameter | CS | ADJ-1 | ADJ-2 | ADJ-3 | ADJ-4 |
| SPACE/LOCATION | |||||
| O2 [%] | |||||
| HC* [% LEL] | |||||
| CO [ppm] | |||||
| H2S [ppm] | |||||
| ILLUMINATION (lux) | |||||
| TEMPERATURE (0C) | |||||
| Time | |||||
| Signature (Inspector) | |||||
| 5nd/th Reading | |||||
| Parameter | CS | ADJ-1 | ADJ-2 | ADJ-3 | ADJ-4 |
| SPACE/LOCATION | |||||
| O2 [%] | |||||
| HC* [% LEL] | |||||
| CO [ppm] | |||||
| H2S [ppm] | |||||
| ILLUMINATION (lux) | |||||
| TEMPERATURE (0C) | |||||
| Time | |||||
| Signature (Inspector) | |||||
| 6nd/th Reading | |||||
| Parameter | CS | ADJ-1 | ADJ-2 | ADJ-3 | ADJ-4 |
| SPACE/LOCATION | |||||
| O2 [%] | |||||
| HC* [% LEL] | |||||
| CO [ppm] | |||||
| H2S [ppm] | |||||
| ILLUMINATION (lux) | |||||
| TEMPERATURE (0C) | |||||
| Time | |||||
| Signature (Inspector) | |||||
| 7nd/th Reading | |||||
| Parameter | CS | ADJ-1 | ADJ-2 | ADJ-3 | ADJ-4 |
| SPACE/LOCATION | |||||
| O2 [%] | |||||
| HC* [% LEL] | |||||
| CO [ppm] | |||||
| H2S [ppm] | |||||
| ILLUMINATION (lux) | |||||
| TEMPERATURE (0C) | |||||
| Time | |||||
| Signature (Inspector) | |||||
| 8nd/th Reading | |||||
| Parameter | CS | ADJ-1 | ADJ-2 | ADJ-3 | ADJ-4 |
| SPACE/LOCATION | |||||
| O2 [%] | |||||
| HC* [% LEL] | |||||
| CO [ppm] | |||||
| H2S [ppm] | |||||
| ILLUMINATION (lux) | |||||
| TEMPERATURE (0C) | |||||
| Time | |||||
| Signature (Inspector) | |||||
| 9nd/th Reading | |||||
| Parameter | CS | ADJ-1 | ADJ-2 | ADJ-3 | ADJ-4 |
| SPACE/LOCATION | |||||
| O2 [%] | |||||
| HC* [% LEL] | |||||
| CO [ppm] | |||||
| H2S [ppm] | |||||
| ILLUMINATION (lux) | |||||
| TEMPERATURE (0C) | |||||
| Time | |||||
| Signature (Inspector) | |||||