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24
TABLE 15
PHMSA 2008 ALCOHOL TEST RESULTS
Refusals
Number of Confirma-
Confirmation Tests
Confirmation Tests
BAC 0.0200.039
tion Test Results
Total Number of
Cancelled Tests
Screening Test
Other Refusals
BAC 0.020
BAC 0.020
BAC 0.040
Test Reason
"Shy Lung"
Results
Postaccident 385 385 0 2 0 0 0 0 0
Reasonable Cause 85 70 15 13 0 13 0 0 0
Return-to-Duty 73 73 0 1 0 0 0 0 0
Follow-up 1,265 1,250 14 12 2 8 0 1 0
Total 1,808 1,778 29 28 2 21 0 1 0
FIGURE 5 PHMSA 2008 drug and alcohol unweighted positivity rates by test type.
TABLE 16
FTA 2008 DRUG TEST RESULTS
Refusals
Total Number of Test
Positive for Cocaine
Positive for Opiates
Verified Negative
Verified Positive
Tests for One or
Cancelled Tests
Amphetamines
Other Refusals
"Shy Bladder"
Phencyclidine
Test Reason
More Drugs
Adulterated
Positive for
Positive for
Positive for
Substituted
Marijuana
Results
Tests
Pre-employment 89,406 87,482 1,792 1,351 344 49 25 64 9 6 9 108 180
Random 97,546 96,742 715 448 234 4 16 31 5 4 20 60 207
Postaccident 14,630 14,450 168 87 64 1 10 12 0 0 1 11 41
Reasonable Suspicion 561 500 45 19 20 1 4 4 1 0 2 13 6
Return-to-Duty 761 747 12 10 1 0 0 1 0 0 0 2 3
Follow-up 6,154 6,071 75 29 40 0 2 5 0 0 4 4 6
Total 209,058 205,992 2,807 1,944 703 55 57 117 15 10 36 198 443
unweighted positivity rate. Marijuana was the most com- PUBLIC TRANSIT
monly detected drug.
The FTA collects and receives data from all regulated grant-
For alcohol, reasonable cause tests had the highest number ees and all subrecipients from the grantees and any safety-
of positives, with follow-up tests second. Reasonable cause sensitive contractors who are considered to be covered
was the type of test with the highest unweighted positivity rate. employers by FTA.
