Transcript p62rev - the Mining Quiz List

30 CFR Part 62:
Health Standards for
Occupational Noise Exposure
Final Rule
Federal Register/Vol. 64, No. 176
September 13, 1999
Reasons for New Rule
M
Current standards are over 25 years old
M
Ineffective in preventing noise-induced
hearing loss among miners
M
46,000 miners at risk of developing
material impairment of hearing
M
Inconsistency among Coal, M/NM and
OSHA requirements
Metal/Nonmetal Noise Dose Trends
1974 - 1996
50
40
30
Percent of Sam ples
20
10
0
74 76 78 80 82 84 86 88 90 92 94 96
Year
Noise Dose (TWA 8-Hr)
>90 dBA
>92 dBA
Coal Noise Dose Trends
1986 - 1996
30
25
20
15
10
5
0
86 87 88 89 90 91 92 93 94 95 96
Year
Dose Level
>90 dBA
>92 dBA
§ 62.100 Purpose, Scope and
Effective Date
M
Purpose - prevention of occupational
noise-induced hearing loss among miners
M
Scope - applicable to each coal, metal,
and nonmetal mine
M
Effective date - September 13, 2000
§ 62.101 Definitions
M
Defines 19 terms used in Part 62:
Access
Action Level
Audiologist
Baseline Audiogram
Criterion Level
Decibel (dB)
Dual Hearing
Protection Level
Exchange Rate
Hearing Protector
Hertz (Hz)
Medical Pathology
Miner’s Designee
Qualified Technician
Permissible Exposure Level
Reportable Hearing Loss
Revised Baseline Audiogram
Sound Level
Standard Threshold Shift
Time Weighted Average
8-hour (TWA8)
§ 62.101 Definitions
M
Action Level: TWA8 of 85 dBA or dose of 50%
measured with 80-130 range of integration
M
Permissible Exposure Level (PEL): TWA8 of 90
dBA or dose of 100% measured with 90-140 range
of integration
M
Reportable Hearing Loss: an average of 25 dB or
more shift at 2, 3, and 4 kHz in either ear
M
Standard Threshold Shift (STS): an average of 10
dB or more shift at 2, 3, and 4 kHz in either ear
§ 62.110 Noise Exposure
Assessment
M
Performance based
M
Mine operator must establish a system of
monitoring (new for M/NM)
M
System must be sufficient to determine
compliance with rule
M
Includes specific requirements for determining
miner’s noise dose
Noise Exposure Assessment . . .
M
Cannot adjust for hearing protector worn
M
Must use appropriate integration range (80-130
for AL and 90-140 for PEL and DHPL)
M
Must use 90 dBA criterion, 5 dB exchange rate,
and A-weighting slow response
M
Must assess miner’s noise exposure over his/her
full work shift
Noise Exposure Assessment . . .
M
Miners and their representative have right to
observe monitoring (no pay required)
M
Mine operator must notify miner of exposure at
or above AL, and above the PEL and DHPL
M
Notification must be in writing and given to
miner within 15 days of determination
M
Copy must be kept as long as miner is exposed
at or above AL, plus 6 months
§ 62.120 Action Level (AL)
M
85 dBA TWA8, or 50% dose (with 90 dBA criterion
level & 5 dB exchange rate)
M
80-130 dBA range of integration (90-140 required
with PEL)
M
Miner must be enrolled in hearing conservation
program (HCP) when noise exposure equals or
exceeds AL
§ 62.130 Permissible Exposure
Level (PEL)
M
90 dBA TWA8, or 100% dose (unchanged)
M
No adjustment for use of hearing protection
(new requirement for Coal)
M
5 dB exchange rate (unchanged)
M
90-140 dBA range of integration
PEL . . .
M
Feasible engineering and administrative controls
required when PEL exceeded (new for Coal)
M
Administrative controls must be posted and copy
provided to affected miner (new for M/NM & Coal)
M
Mine operator must continue to use E&A controls
even if they do not reduce noise exposure to PEL
M
115 dBA maximum sound level (unchanged)
§ 62.140 Dual Hearing
Protection Level (DHPL)
M
105 dBA TWA8, or 800% dose (new for Coal &
M/NM)
M
Must take actions required for noise exposures
exceeding PEL
M
Dual hearing protection must be provided and worn
if level exceeded
M
90-140 dBA range of integration (same as PEL)
§ 62.150 Hearing
Conservation Program (HCP)
M
Miner must be enrolled if exposure at or above AL
M
HCP must include:
System of Monitoring 62.110
Hearing Protectors 62.160
Audiometric Testing 62.170 - 62.175
Training 62.180
Recordkeeping 62.190
C
C
C
C
C
§ 62.160 Hearing Protectors
M
Mine operator must provide to miners whose
exposure equals or exceeds AL
M
Miner must wear at or above AL when:
C
C
standard threshold shift (STS) found; or,
more than 6 months before miner can receive baseline
audiogram
M
Miner must wear above PEL and DHPL
M
Miner must receive training per 62.180
Hearing Protectors . . .
M
Mine operator must provide a selection of HPDs
including at least two muff and two plug types
M
Must ensure HPD is fitted, in good condition, &
maintained per manufacturer’s instructions
M
Provide replacements at no cost to miner
M
Permit additional selection when medical
pathology warrants
§ 62.170 Audiometric Testing
M
Must be offered to each miner enrolled in HCP
M
Voluntary on part of miner
M
Audiometric tests to be conducted by
C
a physician
an audiologist
a qualified technician under direction of physician or
audiologist
C
C
Audiometric Testing . . .
M
Provided at no cost to the miner
M
Baseline audiogram offered and provided within
6 months of enrollment in HCP (12 months if
mobile test van used)
M
Quiet period - No workplace noise exposure for
14 hours prior to baseline audiogram
M
May substitute hearing protection for quiet period
Audiometric Testing . . .
M
Annual audiogram - must be offered every 12
months for as long as miner in HCP
M
Annual audiogram must be deemed a revised
baseline when:
C
Standard Threshold Shift (STS) is permanent, or
significant improvement in hearing over baseline
audiogram
C
§ 62.171 Audiometric Test
Procedures
M
Conducted in accordance with scientifically
validated procedures
M
Specifies following criteria:
C
pure tone, air conduction, hearing threshold
examination
½, 1, 2, 3, 4, and 6 kHz test frequencies
each ear tested separately
C
C
Audiometric Test Procedures . . .
M
Mine operator must compile an audiometric
test record for each miner tested, including:
–
name and job classification of miner
copy of all miner’s audiograms
evidence audiograms conducted using scientifically
valid procedures
any exposure determinations under 62.110
results of follow-up exams (if any)
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–
–
–
Audiometric Test Procedures . . .
M
Mine operator must maintain audiometric
test record for the duration of the miner’s
employment, plus at least 6 months
M
Must make records available to authorized
representative of the Secretary
§ 62.172 Evaluation of
Audiograms
M
Mine operator must:
C
inform audiogram evaluator of Part 62
requirements and provide test records
have physician, etc.. determine audiogram’s validity
determine occurrence of STS (10 dB shift) or
reportable hearing loss (25 dB shift)
obtain results/interpretation within 30 days
C
C
C
Evaluation of Audiograms . . .
M
Mine operator:
C
shall conduct a retest within 30 days when
audiogram is invalid
may conduct retest within 30 days to confirm
STS or reportable loss and may use retest as
the annual audiogram
may adjust for presbycusis (aging), tables and
procedures provided
adjustment must be applied to both baseline
and annual audiograms
C
C
C
§ 62.173 Follow-up Evaluation
when an Audiogram is Invalid
M
If a valid audiogram cannot be obtained
due to suspected medical pathology
caused or aggravated by noise exposure
or wearing HPDs, operator shall:
C
refer miner for clinical evaluation
instruct evaluator to inform miner of results
instruct evaluator of confidentiality
C
C
§ 62.174 Follow-up Corrective
Measures
M
Within 30 days of confirmed STS operator
must:
C
retrain the miner per 62.180
allow selection of a new or different HPD
review effectiveness of engineering and
administrative controls to identify and correct any
deficiencies
C
C
§ 62.175 Notification of Results;
Reporting Requirements
M
Within 10 days of receiving audiogram or
follow-up results, operator must notify miner
in writing of:
C
results/interpretation including STS or a
reportable loss
the need and reason for any further testing
or evaluation
C
M
Reportable hearing loss - must be reported to
MSHA under 30 CFR Part 50
§ 62.180 Training
M
Within 30 days of enrollment in HCP, and
every 12 months thereafter, miner must be
trained in:
C
effects of noise on hearing
purpose and value of wearing HPDs
advantages/disadvantages of HPDs
care, fitting and use of HPDs
general requirements of Part 62
operator/miner responsibilities regarding controls
purpose and value of audiometric testing
C
C
C
C
C
C
§ 62.190 Records
M
Mine operator must provide access to
authorized representatives of Secretaries of
DOL and DHHS for all records required
under Part 62
M
When a person with access to records
requests a copy of a record, the first copy will
be at no cost to that person, and any
additional copies requested must be provided
at reasonable cost
Records . . .
M
Mine operator must within 15 days of written
request provide access to:
C
miner or miner’s designee (with written consent) for
all records maintained under Part 62 for that miner
miners’ representative designated under Part 40 for
training records or notice of exposure determination
former miner for records which indicate his or her
own exposure
C
C
Records . . .
M
When ceasing business, mine operator must
transfer records to successor operator
M
Successor operator must receive and
maintain records per standard
M
Successor operator shall use baseline, or
revised baseline audiograms obtained by
original operator to determine STS or
reportable hearing loss
Thank You